MAX3901 [MAXIM]
150Mbps Automotive Fiber Optic Receivers; 150Mbps的汽车光纤接收器
| 型号： | MAX3901 |
| 厂家： | 
MAXIM INTEGRATED PRODUCTS |
| 描述： | 150Mbps Automotive Fiber Optic Receivers |
| 文件： | 总13页 (文件大小：624K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
19-3278; Rev 1; 7/04
150Mbps Automotive Fiber Optic Receivers
General Description
Features
ꢀ -40°C to +140°C Operating Junction Temperature
ꢀ Operation Up to 50Mbps (MAX3901)
The MAX3901/MAX3902 are optimized for low-cost
polymer-clad silica (PCS) and plastic optical fiber (POF)
automotive receivers. These parts operate over an
extended -40°C to +140°C (junction) temperature range.
ꢀ Operation Up to 150Mbps (MAX3902)
ꢀ +3.3V or +5.0V Power Supply (MAX3901)
The MAX3901 features a 1.2µA to 1mA input range, a
+3.3V or +5V supply voltage, operation from 8Mbps to
50Mbps, and a TTL output compatible with common
automotive optical network interfaces.
ꢀ 1.2µA
Input Sensitivity
P-P
ꢀ 1mA
Input Overload
P-P
ꢀ Input Power Detect with Power-Reducing Standby
The MAX3902 features a 1.2µA to 1mA input range,
+3.3V supply voltage, operation from 40Mbps to
150Mbps, and a differential output compatible with
LVDS, PECL, and IEEE 1394b (S100β).
Mode
ꢀ Active Output Pulldown During Standby Mode
(MAX3901)
Both circuits provide an input power detect and low-
power standby mode with status output. No filter
capacitors are required in the optical subassembly,
thus enabling a low-cost receiver design. The circuits
are available in die and wafer form.
ꢀ Differential LVDS- or PECL-Compatible Output
(MAX3902)
ꢀ TTL-Compatible Output (MAX3901)
ꢀ No Filter Capacitors Required in the Optical
Subassembly
Applications
Ordering Information
Automotive Fiber Optic Receivers
IEEE 1394b (S100β)
PART
TEMP RANGE
-40°C to +140°C
-40°C to +140°C
PIN-PACKAGE
Dice*
MAX3901E/D
MAX3902E/D
Dice*
*Dice are designed to operate over a -40°C to +140°C junction
temperature (T ) range, but are tested and guaranteed at T
=
j
A
+75°C.
Typical Operating Circuits
+5.0V
+3.3V
V
CC
SUPPLY
FILTER
SUPPLY
FILTER
OPTICAL RECEIVER
FILT
OPTICAL RECEIVER
+3.3V
SWITCHED
V
V
CC
CC
STATUS
STATUS
FILT
IN
STATUS
82Ω
82Ω
MAX3901
MAX3902
0.1µF
TTL INPUT
RX DATA
GND
IN
OUT_TTL
OUT+
OUT-
(SP4 AUTOMOTIVE
NETWORK INTERFACE)
PECL
INPUT
0.1µF
130Ω
130Ω
GND
GND
Typical Operating Circuits continued at end of data sheet.
________________________________________________________________ Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
150Mbps Automotive Fiber Optic Receiver
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (V ) ...............................................-0.5V to +6V
CC
Voltage at STATUS .......................................-0.5V to (V
+ 0.5)
CC
Current into IN .................................................................... 3ꢀA
Voltage at OUT+, OUT- (MAX3902) .............................0V to +6V
Current into OUT_TTL (MAX3901).................................... 10ꢀA
Current into FILT ..................................................................-3ꢀA
Operating Junction Teꢀperature Range ............-55°C to +150°C
Storage Teꢀperature Range.............................-65°C to +175°C
Die Attach Teꢀperature...................................................+400°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS—MAX3901
(V = +3.135V to +5.25V, C = 2pF; T = -40°C to +140°C. Typical values are at V = +5.0V and T = +25°C, unless otherwise noted.)
CC
PD
j
CC
A
PARAMETER
POWER SUPPLY
SYMBOL
CONDITION
MIN
TYP
MAX
UNIT
T < +100°C
14
22
28
20
80
1
J
Operating Power-Supply Current
Standby Current
I
ꢀA
CC
T < +140°C
J
T < +85°C
J
10
I
µA
ꢀs
STBY
T < +125°C
J
Power-Up Tiꢀe
INPUT PARAMETERS
Data Rate
t
Froꢀ valid V
to STATUS low
CC
0.06
PU
Maxiꢀuꢀ 3 CIDs
10log (P1 / P0)
(Notes 1, 2)
8
3
50
1.2
Mbps
dB
Input Extinction Ratio
Input Sensitivity
Input Overload
Input Bias Voltage
FILT PIN
E
r
0.4
0.8
µA
P-P
I
≤ 600µA
1.0
ꢀA
P-P
IN
V
1.0
V
IN
Voltage at FILT
Filter Resistor
V
I
= -600µA, referenced to V
CC
-0.35
100
-0.45
V
FILT
FILT
R
kΩ
FILT
DATA OUTPUT (OUT_TTL) R
Output High
= 50kΩ to GND, C
= 15pF
LOAD
OUT
V
2.5
2.7
0.3
0.06
5
V
V
OH
Output Low
V
0.4
0.4
8.5
OL
Output Voltage During Standby
Output Switching Tiꢀe
STATUS = high, I
= 30µA
V
OUT
t , t
10% to 90%, data rate ≤ 45Mbps
ns
r
f
45Mbps (Notes 1, 3), 1.2µA
≤
P-P
Pulse-Width Variation
PWV
0.86
1.14
UI
i
IN
≤ 1ꢀA
P-P
Average Pulse-Width Distortion
Data-Dependent Jitter
PWD
DDJ
RJ
45Mbps (Notes 1, 3)
(Notes 1, 4)
-0.07
+0.07
0.082
0.015
UI
UI
0.035
0.007
i
IN
≥ 1.2µA
(Note 1)
P-P
Uncorrelated Jitter (Randoꢀ Jitter)
POWER DETECT (STATUS)
Input for STATUS High
UI
RMS
I
Standby ꢀode
Operating ꢀode
50
160
210
nA
nA
V
STH
Input for STATUS Low
I
630
0.4
STL
STATUS Low Voltage
V
I
I
I
< 1ꢀA
STATUS-L
STATUS
STATUS
STATUS
> -25µA
2.4
4
STATUS High Voltage
V
V
STATUS-H
> -20µA, V ≥ 4.75V
CC
2
_______________________________________________________________________________________
150Mbps Automotive Fiber Optic Receiver
ELECTRICAL CHARACTERISTICS—MAX3901 (continued)
(V = +3.135V to +5.25V, C = 2pF; T = -40°C to +140°C. Typical values are at V = +5.0V and T = +25°C, unless otherwise noted.)
CC
PD
j
CC
A
PARAMETER
SYMBOL
CONDITION
MIN
TYP
16
MAX
24
UNIT
kΩ
STATUS Resistance
R
10
STATUS
t
Transition to operating ꢀode (Note 5)
Transition to standby ꢀode (Note 6)
0.2
16
0.5
ꢀs
OP
Power-Detect Tiꢀe
t
100
µs
STBY
Note 1: Guaranteed by design and characterization.
Note 2: BER = 1E-9, biphase-coded data containing three consecutive, identical digits. Waveforꢀ shaped by 39MHz four-pole filter.
Note 3: See Figure 1. V is 1.5V for the MAX3901, 0V for (AC-coupled) differential output froꢀ the MAX3902. Data is biphase-coded
TH
with three consecutive, identical digits added. Data input to the MAX3901 is shaped by a 39MHz four-pole filter. Data input to
the MAX3902 is shaped by a 117MHz four-pole filter.
Maxiꢀuꢀ PWV = MAX [t1
, t2
- 1UI, t3
- 2UI].
ꢀax
ꢀax
ꢀax
Miniꢀuꢀ PWV = MIN [t1 , t2
- 1UI, t3
- 2UI].
ꢀin
ꢀin
ꢀin
Miniꢀuꢀ PWD = MIN [(t
+ t
-2 x n x UI)/2], where n = 1, 2, 3.
n-ꢀax
n-ꢀin
Maxiꢀuꢀ PWD = MAX [(t
+ t+
-2 x n x UI)/2], where n = 1, 2, 3.
n-ꢀin
n-ꢀax
Note 4: Data-dependent jitter is ꢀeasured as shown in MOST Specification of Physical Layer, Version 1.1, data rate = 45Mbps.
Note 5: Tiꢀe froꢀ I > I
to STATUS = low, C
to STATUS = high, C
< 10pF.
IN
STL
STH
STATUS
Note 6: Tiꢀe froꢀ I < I
< 10pF.
IN
STATUS
t
3max
t
2max
t
1max
V
TH
t
1min
t
2min
t
3min
TRIGGER ON RISING EDGE
Figure 1. PWV and PWD Timing Diagrams
_______________________________________________________________________________________
3
150Mbps Automotive Fiber Optic Receiver
ELECTRICAL CHARACTERISTICS—MAX3902
(V = +3.0V to +3.6V, C = 2pF; T = -40°C to +140°C. Typical values are at V = +3.3V and T = +25°C, unless otherwise noted.)
CC
PD
j
CC
A
PARAMETER
POWER SUPPLY
SYMBOL
CONDITION
MIN
TYP
MAX
UNIT
Operating Power-Supply Current
I
26
9
35
18
80
1
ꢀA
µA
CC
T < +85°C
J
Standby Current
I
STBY
T < +125°C
J
Power-Up Tiꢀe
t
Froꢀ valid V
to STATUS low
CC
0.06
0.75
ꢀs
PU
INPUT PARAMETERS
Data Rate
Maxiꢀuꢀ 5 CIDs
10log (P1 / P0)
(Notes 1, 7)
40
3
150
1.2
Mbps
dB
Input Extinction Ratio
Input Sensitivity
E
r
µA
P-P
Input Overload
I
≤ 600µA
1.0
ꢀA
P-P
IN
Input Bias Voltage
FILT PIN PARAMETERS
Voltage at FILT
V
1.0
V
IN
V
I
= -600µA, referenced to V
CC
-0.35
100
-0.45
V
FILT
FILT
Filter Resistor
R
kΩ
FILT
DIFFERENTIAL OUTPUT
Total signal ꢀeasured between the
two outputs
Differential Signal Output
V
600
85
800
1000
ꢀV
P-P
OUT
Output Resistance
Output Switching Tiꢀe
Deterꢀinistic Jitter
R
Single ended
100
1.5
115
2.5
Ω
ns
UI
OUT
t , t
10% to 90%, i ≥ 2µA
r
f
IN
P-P
DJ
(Notes 1, 8)
0.03
0.10
i
= 2.0µA , E = 3dB,
P-P r
IN
135
122
215
input filter 117MHz (Note 1)
Randoꢀ Jitter
RJ
ps
RMS
i
IN
= 2µA , E = 10dB,
P-P
r
input filter = 117MHz
Pulse-Width Variation
PWV
PWD
DDJ
(Notes 1, 3) 2µA
(Notes 1, 3)
≤ i ≤ 1ꢀA
P-P
0.88
1.12
+0.042
0.071
UI
UI
UI
P-P
IN
Average Pulse-Width Distortion
Data-Dependent Jitter
POWER DETECT (STATUS)
Input for STATUS High
Input for STATUS Low
STATUS Low Voltage
-0.045
(Notes 1, 4)
0.01
I
Standby ꢀode
50
160
210
nA
nA
V
STH
I
Operating ꢀode
630
0.4
STL
V
I
< 1ꢀA
STATUS-L
STATUS-H
STATUS
STATUS
STATUS High Voltage
STATUS Resistance
V
I
> -25µA
2.4
10
V
R
16
0.2
16
24
0.5
100
kΩ
ꢀs
µs
STATUS
t
Transition to operating ꢀode (Note 5)
Transition to standby ꢀode (Note 6)
OP
Power-Detect Tiꢀe
t
STBY
Note 7: BER = 1E-9, test pattern is K28.5 (00111110101100000101), waveforꢀ shaped by a 117MHz four-pole filter.
Note 8: Tested with K28.5 pattern at 45Mbps and 150Mbps, 2.0µA < i < 1ꢀA , waveforꢀ shaped by 117MHz four-pole filter.
P-P
IN
P-P
Deterꢀinistic jitter (DJ) is the peak-to-peak deviation froꢀ ideal tiꢀe crossings, ꢀeasured at the zero-level crossings of the
differential output.
4
_______________________________________________________________________________________
150Mbps Automotive Fiber Optic Receiver
MAX3901 Typical Operating Characteristics
(V
= +5.0V, C = 2pF, test pattern is biphase-coded data with 3 CIDs at 50Mbps, T = +25°C, unless otherwise noted.)
PD A
CC
SUPPLY CURRENT
vs. TEMPERATURE
STATUS THRESHOLDS
vs. TEMPERATURE
SUPPLY CURRENT DURING STANDBY
vs. TEMPERATURE
350
300
250
200
150
100
50
35
35
30
25
20
15
10
5
30
25
20
15
10
5
STATUS = LOW
STATUS = HIGH
0
0
-40 -20
0
20 40 60 80 100 120 140
-40 -20
0
20 40 60 80 100 120 140
-40 -20
0
20 40 60 80 100 120 140
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
FILTER VOLTAGE
vs. FILTER CURRENT
OUTPUT VOLTAGE vs. OUTPUT CURRENT
IN STANDBY MODE
5.0
4.6
4.2
3.8
400
350
300
250
200
150
100
50
3.4
3.0
0
1µ
10µ
100µ
1m
0
20
40
60
80
100
120
FILTER CURRENT (A)
OUTPUT CURRENT (µA)
_______________________________________________________________________________________
5
150Mbps Automotive Fiber Optic Receiver
MAX3901 Typical Operating Characteristics (continued)
(V
= +5.0V, C = 2pF, test pattern is biphase-coded data with 3 CIDs at 50Mbps, T = +25°C, unless otherwise noted.)
PD A
CC
BER
OPTICAL SENSITIVITY
vs. TEMPERATURE
UNCORRELATED (RANDOM) JITTER
vs. INPUT AMPLITUDE
vs. OPTICAL INPUT
1.0E-05
-23
-25
-27
-29
-31
-33
-35
-37
300
SILICON PHOTODIODE
850nm SOURCE, E >10dB
SILICON PHOTODIODE
850nm SOURCE,
E >10dB, BER = 1E-9
r
250
200
150
100
50
1.0E-06
1.0E-07
1.0E-08
r
E = 3dB
r
E = 10dB
r
1.0E-09
1.0E-10
0
1.0E-11
-33
-32.5
-32
-31.5
-31
-40 -20
0
20
40
60
80 100
1µ
10µ
100µ
1m
OPTICAL INPUT (dBm OMA)
TEMPERATURE (°C)
INPUT AMPLITUDE (A
)
P-P
OUTPUT EYE DIAGRAM
(+3dBm OMA OPTICAL INPUT AT +25°C
SILICON PHOTODIODE WITH 850nm SOURCE)
OUTPUT EYE DIAGRAM
(-27dBm OMA OPTICAL INPUT AT +25°C
SILICON PHOTODIODE WITH 850nm SOURCE)
500mV/div
500mV/div
4ns/div
4ns/div
6
_______________________________________________________________________________________
150Mbps Automotive Fiber Optic Receiver
MAX3902 Typical Operating Characteristics
(V
= +5.0V, C = 2pF, test pattern is K28.5 at 150Mbps, T = +25°C, unless otherwise noted.)
PD
A
CC
OPTICAL SENSITIVITY
vs. TEMPERATURE
DETERMINISTIC JITTER
vs. INPUT AMPLITUDE
SUPPLY CURRENT vs. TEMPERATURE
35
-19
-21
-23
-25
-27
-29
-31
-33
500
450
400
350
300
250
200
150
100
50
SILICON PHOTODIODE
850nm SOURCE,
BER = 1E-9, E >10dB
30
25
20
15
10
5
r
+140°C
+25°C
-40°C
0
0
-40 -20
0
20 40 60 80 100 120 140
-40 -20
0
20
40
60
80 100
1µ
10µ
100µ
1m
JUNCTION TEMPERATURE (°C)
TEMPERATURE (°C)
INPUT AMPLITUDE (A)
OUTPUT EYE DIAGRAM
OUTPUT EYE DIAGRAM
(2µA ELECTRICAL INPUT AT T = +140°C)
(2µA ELECTRICAL INPUT AT T = -40°C)
BER vs. OPTICAL INPUT
P-P
J
P-P
J
MAX3901/02 toc15
MAX3901/02 toc16
1.0E-03
1.0E-04
1.0E-05
1.0E-06
1.0E-07
1.0E-08
1.0E-09
1.0E-10
1.0E-11
SILICON PHOTODIODE
850nm SOURCE, E >10dB
r
125mV/div
125mV/div
1.25ns/div
-30
-29
-28
-27
1.25ns/div
OPTICAL INPUT (dBm OMA)
OUTPUT EYE DIAGRAM
OUTPUT EYE DIAGRAM
(+3dBm OMA OPTICAL INPUT AT T = +25°C)
OUTPUT EYE DIAGRAM
(-27.7dBm OMA OPTICAL INPUT AT T = +25°C)
J
J
SILICON PHOTODIODE WITH 850nm SOURCE
(1mA ELECTRICAL INPUT AT T = +25°C)
SILICON PHOTODIODE WITH 850nm SOURCE
P-P
J
MAX3901/02 toc19
MAX3901/02 toc18
MAX3901/02 toc17
125mV/div
125mV/div
125mV/div
1.25ns/div
1.25ns/div
1.25ns/div
_______________________________________________________________________________________
7
150Mbps Automotive Fiber Optic Receiver
Pad Description
BOND
PAD
MAX3901 MAX3902
FUNCTION
NAME
NAME
Filter Pin. Must be connected to photodiode cathode for the IC to operate. This pin provides
connection to an integrated photodiode filter.
1
2
FILT
IN
FILT
IN
Data Input. Connect photodiode anode to this pin.
3, 4,
13, 14, 15
N.C.
N.C.
No Connection
5, 6, 7
8, 16, 17
9
V
V
Supply Voltage
CC
CC
GND
N.C.
N.C.
GND
OUT+
OUT-
Circuit Ground
Noninverting Data Output. Current flowing into IN causes the voltage at OUT+ to increase.
Inverting Data Output. Current flowing into IN causes the voltage at OUT- to decrease.
10
Status Monitor. STATUS is TTL low when the receiver is in operating ꢀode. STATUS is TTL
high when the receiver is in standby ꢀode.
11
12
STATUS
STATUS
N.C.
OUT_TTL
TTL Data Output. Current flowing into IN causes the voltage at OUT_TTL to increase.
CML Output Buffer
Detailed Description
The output buffer for the MAX3902 is a differential CML
output designed to drive a 100Ω differential load between
OUT+ and OUT- (Figure 3). For optiꢀuꢀ supply noise
rejection, the MAX3902 should be terꢀinated with a dif-
ferential load. If a single-ended output is required, both
the used and the unused outputs should be terꢀinated in
a siꢀilar ꢀanner.
The MAX3901/MAX3902 receivers are optiꢀized for
autoꢀotive fiber optic applications. The MAX3901 is a
single-ended TTL output receiver. The MAX3902 is a
differential CML output receiver. The MAX3901/
MAX3902 are both coꢀprised of a transiꢀpedance
aꢀplifier, a voltage-gain aꢀplifier, an output buffer, a
DC cancellation circuit, and a power detector with sta-
tus ꢀonitor, as shown in Figure 2.
Signal Path
The signal path consists of a transiꢀpedance aꢀplifier, a
voltage-gain aꢀplifier, and a DC cancellation circuit. The
transiꢀpedance aꢀplifier converts input current to volt-
age. The voltage-gain aꢀplifier converts single-ended to
differential voltage. The DC cancellation circuit uses low-
frequency feedback to reꢀove the DC coꢀponent of the
input signal. This feature centers the input signal within
the transiꢀpedance aꢀplifier’s linear range, thereby
reducing pulse-width distortion. The highpass response
of the DC cancellation circuit liꢀits the nuꢀber of con-
secutive identical digits that can be tolerated.
V
CC
MAX3901
MAX3902
POWER
DETECTOR
STATUS
FILT
V
INTERNAL
CC
VOLTAGE
AMPLIFIER
OUT+
(MAX3902)
IN
TIA
CML
TTL
OUT-
(MAX3902)
TTL Output Buffer
The output buffer for the MAX3901 is a single-ended
TTL output designed to drive a high-iꢀpedance load.
Output capacitance should be less than 15pF to ensure
stable operation. The TTL output is not coꢀpatible with
50Ω test equipꢀent. Use a high-iꢀpedance probe to
ꢀonitor the output.
OUT_TTL
(MAX3901)
DC
CANCELLATION
During standby ꢀode, the TTL output is actively pulled
to a low state.
Figure 2. Functional Diagram
8
_______________________________________________________________________________________
150Mbps Automotive Fiber Optic Receiver
The coupling capacitor should be 0.1µF or larger. Refer
to Application Note HFAN-1.1: Choosing AC-Coupling
Capacitors for a ꢀore detailed discussion.
V
CC
V
CC
Status Monitor
R
R
OUT
OUT
The MAX3901/MAX3902 include a status ꢀonitor
(Figure 4). The average current at the FILT (Figure 5)
pad deterꢀines whether the MAX3901/MAX3902 are in
operating or standby ꢀode. STATUS is TTL low when
the receiver is in operating ꢀode. STATUS is TTL high
when the receiver is in standby ꢀode.
OUT+
OUT-
V
CC
Applications Information
Optical Power Relations
Many of the MAX3901/MAX3902 specifications relate to
the input signal aꢀplitude. Figure 6 and Table 1 show
relations that are helpful for converting optical power to
input signal when designing with the MAX3901/
MAX3902.
MAX3902
Wire Bonding
Figure 3. MAX3902 CML Output
For high-current density and reliable operation, the
MAX3901 and MAX3902 use gold ꢀetalization. For
best results, use gold-wire ball-bonding techniques.
Use caution if atteꢀpting wedge bonding. Bond-pad
size is 94.4µꢀ x 94.4µꢀ, and bond-pad ꢀetal thick-
ness is 1.2µꢀ. Refer to Maxiꢀ Application Note, HFAN-
08.0.1: Understanding Bonding Coordinates and
Physical Die Size for additional inforꢀation.
V
CC
R
STATUS
16kΩ
STATUS
MAX3901
MAX3902
Table 1. Optical Power Relations*
PARAMETER
SYMBOL
RELATION
Average Power
P
P
= (P0 + P1) / 2
AVE
AVE
E = P1 / P0
r
Figure 4. STATUS Monitor Output
Extinction Ratio
E
r
2P
+ OMA
− OMA
AVE
2P
AVE
E
Optical Power
of a “1”
V
r
CC
P1= 2P
P1
P0
AVE
E +1
r
100kΩ
Optical Power
of a “0”
P0 = 2P
/ E + 1
r
AVE
Optical Modulation
Aꢀplitude
E -1
r
OMA
OMA =P1−P0 = 2P
AVE
MAX3901
MAX3902
E +1
r
FILT
*Assuming a 50% average mark density.
35pF
Figure 5. FILT pad
_______________________________________________________________________________________
9
150Mbps Automotive Fiber Optic Receiver
Table 2 gives center pad coordinates for the MAX3901
and MAX3902 bond pads.
Table 2. Bond-Pad Information
P
1
NAME
COORDINATES (µm)
PAD
MAX3901
MAX3902
FILT
X
Y
BP1
BP2
FILT
IN
51.0
1302.0
1128.0
825.0
399.0
225.0
51.0
P
AVE
IN
51.0
BP3
N.C.
N.C.
N.C.
51.0
BP4
N.C.
51.0
BP5
V
V
V
V
V
V
51.0
CC
CC
CC
CC
CC
CC
P
0
BP6
51.0
BP7
291.0
918.0
1140.0
1359.0
1548.0
1581.0
936.0
762.0
585.0
408.0
231.0
-30.0
TIME
BP8
GND
N.C.
GND
OUT+
OUT-
STATUS
N.C.
-30.0
BP9
-30.0
Figure 6. Optical Power Relations
BP10
BP11
BP12
BP13
BP14
BP15
BP16
BP17
N.C.
-30.0
STATUS
OUT_TTL
N.C.
-30.0
279.0
1338.0
1338.0
1338.0
1338.0
1338.0
N.C.
N.C.
N.C.
Chip Information
N.C.
N.C.
TRANSISTOR COUNT: 1175
GND
GND
GND
PROCESS: Silicon Bipolar, CB30HM
Die Thickness: 12 ꢀils (300µꢀ)
GND
Coordinate 0,0 is the lower left corner of the passivation opening
for pad 6.
Table 3. Typical Optical Receiver Performance
RECEIVER
PCS 850nm
POF 650nm
ρ = 0.3A/W
PCS 850nm
ρ = 0.5A/W
CONFIGURATION
ρ = 0.5A/W
MAX3901 Receiver
MAX3901 Receiver
MAX3902 Receiver
OPTICAL PARAMETER
Worst-Case Sensitivity
BER = 1E - 9 and
STATUS = Low
-26.2dBꢀ OMA
-27dBꢀ
-26.2dBꢀ OMA
Expected Typical Sensitivity
Optical Overload
-31.5dBꢀ OMA
+3dBꢀ OMA
-29dBꢀ
+5dBꢀ
-30.5dBꢀ OMA
+3dBꢀ OMA
Typical Input for Standby
Mode
-35dBꢀ
-37dBꢀ
-35dBꢀ
Typical Input for Operating
Mode
-32.5dBꢀ
-34.5dBꢀ
-32.5dBꢀ
10 ______________________________________________________________________________________
150Mbps Automotive Fiber Optic Receiver
Typical Operating Circuits (continued)
+3.3V
SUPPLY
FILTER
OPTICAL RECEIVER
V
CC
FILT
IN
STATUS
OUT+
5kΩ
25Ω
25Ω
LVDS
INPUT
0.1µF
0.1µF
MAX3902
100Ω
100Ω
OUT-
GND
5kΩ
______________________________________________________________________________________ 11
150Mbps Automotive Fiber Optic Receiver
MAX3901 Chip Topography
17
16
15
13
14
1
2
FILT
IN
3
N.C.
1.65mm
65mils
N.C.
4
5
6
OUT_TTL
12
V
CC
V
CC
7
9
10
11
STATUS
8
1.80mm
71mils
12 ______________________________________________________________________________________
150Mbps Automotive Fiber Optic Receiver
MAX3902 Chip Topography
17
16
15
13
14
FILT
IN
1
2
N.C.
3
1.63mm
64.17mils
4
N.C.
N.C.
12
5
6
V
CC
V
CC
11
STATUS
7
9
10
8
1.78mm
70.08mils
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 13
© 2004 Maxiꢀ Integrated Products
Printed USA
is a registered tradeꢀark of Maxiꢀ Integrated Products.
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