TO353 [ATMEL]
2.8 V Tri-band/ Quad-mode RF Receiver for CDMA/AMPS/ GPS; 2.8 V三频/四模射频接收器CDMA / AMPS / GPS
| 型号： | TO353 |
| 厂家： | 
ATMEL |
| 描述： | 2.8 V Tri-band/ Quad-mode RF Receiver for CDMA/AMPS/ GPS |
| 文件： | 总11页 (文件大小：214K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Features
• AMPS/Cell Band and PCS Band CDMA/GPS Operation
• Low-current Consumption
• Excellent Noise and IP3 Performance
• Adjustable Third Order intercept on LNA Stage
• Flexible IF Frequency Range from 80 MHz to 230 MHz
• Divide by 2 Prescaler
Benefits
• Very Small 32-pin 5 mm x 5 mm Package
• Few External Components
• Fully ESD Protected
2.8 V Tri-band/
Quad-mode RF
Receiver for
CDMA/AMPS/
GPS
Applications
• Quad-mode/Tri-band CDMA IS-95/98-based Mobile Phones with GPS Support
Electrostatic sensitive device.
Observe precautions for handling.
T0353
Description
The T0353 is a CDMA front-end receiver RFIC designed for Tri-band, quad-mode
operation. The device supports AMPS, Cell CDMA, PCS CDMA, and A-GPS opera-
tion. The IF range is from 80 MHz to 230 MHz with external tuning. The low-noise
amplifiers have an adjustable third order intercept point (IP3) to minimize inter-modu-
lation and cross-modulation effects. The mixers are designed for differential IF outputs
(single-ended or differential IF outputs for AMPS and GPS modes), and they feature
excellent linearity and low-noise figure.
Preliminary
(Summary)
The T0353 also integrates a divide-by-2 frequency divider to allow the use of only one
VCO module for both CDMA bands. However, it also has the option of connecting the
LO directly to the cellular mixer LO input. This device is available in a 5 mm x 5 mm
MLF package with 32 pins. The T0353 front-end receiver is capable of meeting all
electrical requirements in accordance with the TIA/EIA 98-C wireless communication
standard.
Rev. 4559AS–CDMA–10/02
Figure 1. Block Diagram
10 31 27 16
22
19
8
GPS_MIX_Out+
GPS_MIX_Out-
GPS_LNA_IN
18
3
Vcc LNA
Iset_PCS
32
24
23
CDMA_Out+
CDMA_Out-
2
PLNA_IN
1
PLNA_GND
12
11
GLO_IN
15
P_CLO_IN
PCS LO Out
Cell LO Out
14
17
/2
Vcc LO TX
13
30
29
LO/2
L_IN
Band_SEL
Gain
4
21
20
25
AMPS IF+
AMPS IF-
BUFFEN
28
7
Vcc_Dig
CLNA_IN
9
6
5
26
2
T0353
4559AS–CDMA–10/02
T0353
Pin Configuration
Figure 2. Pinning
32 31 30 29 28 27 26 25
PLNA_GND
PLNA_IN
1
2
3
4
5
6
7
8
24 CDMA_OUT+
23 CDMA_OUT-
22 VCC_MIX
VCC_LNA
Gain
21 AMPS_OUT+
20 AMPS_OUT-
19 GPSMix_OUT+
18 GPSMix_OUT-
17 VCC_LO_TX
CLNA_OUT
CLNA_GND
CLNA_IN
GPS_LNA_IN
9 10 11 12 13 14 15 16
Pin Description
Pin
Symbol
Function
PCS LNA emitter-ground. The LNA emitter ground should be grounded immediately to the ground-
plane to reduce stray inductance and capacitance that may affect performance.
1
PLNA_GND
PCS LNA input. Requires a DC blocking capacitor and an L-C (shunt C/series L) matching network
for optimum gain, intercept and noise performance.
2
PLNA_IN
3
4
Vcc_LNA
Gain
Power supply pin for PCS and Cell LNAs. Bypass with a capacitor as close to the pin as possible.
Gain select logic input for cellular band. Logic high selects High Gain.
Cell LNA output. Requires a pull-up inductor to VCC and a series DC blocking capacitor, which can
be used as part of the output matching network.
5
6
7
8
9
CLNA_OUT
CLNA_GND
CLNA_IN
Cell LNA emitter-ground. The LNA emitter ground should be grounded immediately to the ground-
plane to reduce stray inductance and capacitance that may affect performance.
Cell LNA input. Requires a DC blocking capacitor and an L-C (shunt C/series L) matching network
for optimum gain, intercept and noise performance.
GPS LNA input. Requires a DC blocking capacitor and an L-C (shunt C/series L) matching network
for optimum gain, intercept and noise performance.
GPS_LNA_IN
Iset_CELL
Bias resistor for Cell LNA. For typical bias use a 390 ꢀ resistor to ground which sets the bias
current for HGHL mode.
10
11
12
13
14
GPS_LNA_OUT GPS LNA output.
P_CLO_IN
GLO_IN
LO / 2
PCS and Cell band LO input.
GPS LO input.
LO divider-select input. Low disables divider. High selects divider in cellular and AMPS modes.
PCS LO buffer output. Internally matched to 100 ꢀ. Does not require a blocking capacitor.
PLO_OUT
3
4559AS–CDMA–10/02
Pin Description (Continued)
Pin
Symbol
Function
15
CLO_OUT
Cellular LO buffer output. Internally matched to 100 ꢀ. Does not require a blocking capacitor.
GPS mixer input.
16
GPSMix_IN
Vcc_LO_Tx
GPSMix_OUT-
GPSMix_OUT+
AMPS_OUT-
AMPS_OUT+
Vcc_Mix
Supply voltage for LO buffers.
Negative GPS IF output.
17
18
19
20
21
22
23
24
Positive GPS IF output.
Negative AMPS IF output.
Positive AMPS IF output.
Supply voltage for all mixers.
CDMA_OUT-
CDMA_OUT+
Negative CDMA IF output.
Positive CDMA IF output.
LO output buffer enable. Set BUFFEN pin HIGH to power up the LO buffer output corresponding to
the selected band.
25
BUFFEN
26
27
28
29
30
CM_IN
PM_IN
Cell RF input to Cell CDMA mixer and Cell AMPS mixer.
PCS mixer RF input.
Vcc_DIG
Band_SEL
LIN
Supply voltage for logic control circuits.
Logic input for band select. Logic LOW selects PCS or GPS. Logic HIGH selects cellular (AMPS).
Logic input for high or low linearity. Logic HIGH selects High linearity.
PCS LNA output. Requires a pull-up inductor to VCC and a series blocking capacitor, which can be
used as part of the output matching network.
31
PLNA_OUT
Bias resistor for PCS LNA. For typical bias use a 560 ꢀ resistor to ground which sets the bias
current for HGHL mode.
32
–
Iset_PCS
Paddle
Device ground and heat sink, requires good thermal path; RF reference plane.
Operation
The various operating modes are controlled by the logic inputs Band_SEL, Gain, LIN,
LO/2 and BUFFEN. Table 1 shows the pin settings for the various operating modes.
Table 1. Mode Programming Truth Table (Continued)
Logic Inputs (1)
Mode
Condition
Band SEL
Low
Gain
Low
High
High
X
LIN
Low
High
Low
X
LO/2
X
BUFFEN
Shut down
PCS mode
All circuits off
X
X
High-gain, high-linearity
High-gain, low-linearity
Activate PCS LO output buffer
High-gain, high-linearity
High-gain, low-linearity
Low-gain
Low
X
Low
X
X
Low
X
High
X
Cellular mode
High
High
High
High
High
High
Low
High
High
Low
Low
X
High
Low
High
Low
X
X
X
X
X
X
AMPS mode
X
X
LO/2 On
High
X
X
Activate Cell LO output buffer
X
X
High
X
GPS mode
Low
High
X
Note:
1. The symbol X (“do not care”) means a logic input does not affect an operating mode.
4
T0353
4559AS–CDMA–10/02
T0353
Absolute Maximum Ratings
Parameters
Symbol
VCC
Value
-0.5 to +4.0
-0.5 to +4.0
50.0
Unit
V
Supply voltages, no RF applied
Logic control voltages
Supply current
VCTRL
ICC
V
mA
RF and LO input signals
PLO ; CLO; CLNA_IN;
PLNA_IN; GPSLNA_IN;
+5.0
dBm
Storage temperature
TSTG
TC
-55 to +150
-40 to +100
LC
LC
Operating case temperature
Thermal Resistance
Parameters
Symbol
Value
Unit
Junction ambient
RthJA
TBD
K/W
DC Supply Characteristics
Test conditions: Unless otherwise noted, the following conditions apply to typical performance specification under static
conditions (no RF applied): Vcc = +2.75 V, TA = 25°C.
No.
Parameters
Test Conditions
Pin
Symbol
Min.
Typ.
Max.
Unit
Type*
All Modes
Supply voltage
Control voltage High
Control voltage Low
2.7
1.7
2.75
3.3
V
V
V
0.5
LO divider supply
current
I_CC LO/2 = High -
I_CC LO/2 = Low
1.7
6.0
8.5
mA
mA
mA
Cell LO Tx buffer
current
BUFFEN = High
PCS LO Tx buffer
current
BUFFEN = High
Logic-High current
Logic-Low current
100
10
µA
µA
-5.0
Power-down supply
current
Band_SEL, Gain, LIN
= Low
µA
*) Type means: A =100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
5
4559AS–CDMA–10/02
AC Electrical Characteristics
Test conditions: Unless otherwise noted, the following conditions apply to typical performance specification under static
conditions: VCC = +2.75 V, TA = 25LC, all RF inputs and outputs with a return loss of 10 dB minimum
No.
Parameters
Test Conditions
Pin
Symbol
Min.
Typ.
Max.
Unit
Type*
General Performance
Operating frequency
range
Cellular band
PCS band
869
881.5
1960
894
MHz
MHz
MHz
MHz
1930
1990
A-GPS Band
1575.42
LO frequency range
Cellular band
(LO/2 is Low):
685
710
1053
1370
2106
1078
1420
2156
MHz
MHz
MHz
IF = 184 MHz
Cellular band
(LO/2 is High):
IF = 184 MHz
PCS band:
IF = 184 MHz
1746
2114
1806
2174
MHz
MHz
MHz
MHz
GPS band:
IF = 183.6 MHz
1759.02
1391.82
IF frequency range
LO input power level
Cellular, PCS and
GPS bands
80
183.6
230
0
MHz
Cellular, PCS and
GPS bands
-10
-8
-5
dBm
dBm
LO Tx buffer output
power level
Cellularband, not
matched at
dedicated
-5.5
-8
-3
dBm
frequency
*) Type means: A =100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
6
T0353
4559AS–CDMA–10/02
T0353
Cascade RF Electrical Characteristics (Cellular Band)
Test conditions: Unless otherwise noted, the following conditions apply to typical performance specification under static
conditions: VCC = +2.75 V, TA = 25°C, RF = 881.5 MHz, LO = 2130 MHz, IF = 183.6 MHz, LO input = -5.0 dBm, RF input =
-35 dBm (High-gain mode), LO/2 = Low, In case of activated LO/2 divider the current consumption increases by 2 mA. In a
cascaded configuration Gain and IP3 values are also influenced by the SAW filter. No correction has been made for filter
loss (1.6 dB) and interstage board trace losses.
No.
Parameters
Test Conditions
Pin
Symbol
Min.
Typ.
Max.
Unit
Type*
Combined LNA and Mixer Performance, CDMA Modulation
High-Gain High-Linearity Mode (HGHL)
Gain
Band_SEL = High;
Gain = High; LIN =
High
G
26
2.1
-3.9
30
dB
dB
Noise figure
Input IP3
NF
IIP3
ICC
dBm
mA
Supply current
High-Gain Low-Linearity Mode (HGLL Paging Mode)
Gain
Band_SEL = High;
Gain = High; LIN =
Low
G
25
2.1
-7.2
23
dB
dB
Noise figure
Input IP3
NF
IIP3
ICC
dBm
mA
Supply current
Low-Gain Mode (LG)
Gain
Band_SEL = High;
Gain = Low; LIN =
Low
G
8.5
12.0
14
dB
dB
Noise figure
Input IP3
NF
IIP3
Icc
dBm
mA
Supply current
28.5
Combined LNA and Mixer Performance, AMPS Modulation
Gain
Band_SEL = High;
Gain = Low; LIN =
Low
G
24
2.5
-10
23
dB
dB
Noise figure
Input IP3
NF
IIP3
Icc
dBm
mA
Supply current
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
7
4559AS–CDMA–10/02
Cascade RF Electrical Characteristics (PCS Band)
Test conditions: Unless otherwise noted, the following conditions apply to typical performance specification under static
conditions: VCC = +2.75 V, TA = 25°C, RF = 1960 MHz, LO = 2143.6 MHz, IF = 183.6 MHz, LO input = -5.0 dBm, RF input
= -30 dBm (High-gain mode). In a cascaded configuration Gain and IP3 values are also influenced by the SAW filter. No
correction has been made for filter loss (2.4 dB) and interstage board trace losses.
No.
Parameters
Test Conditions
Pin
Symbol
Min.
Typ.
Max.
Unit
Type*
Combined LNA and Mixer Performance (CDMA Modulation)
High-Gain High-Linearity Mode (HGHL)
Gain
Band_SEL = Low;
Gain = High; LIN =
High
G
26
2.4
-3.9
30
dB
dB
Noise figure
Input IP3
NF
IIP3
Icc
dBm
mA
Supply current
High-Gain Low-Linearity Mode (HGLL Paging mode)
Gain
Band_SEL = Low;
Gain = High; LIN =
Low
G
25
2.5
-6.7
24
dB
dB
Noise figure
Input IP3
NF
IIP3
Icc
dBm
mA
Supply current
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
Cascade RF Electrical Characteristics (GPS Band)
Test conditions: Unless otherwise noted, the following conditions apply to typical performance specification under static
conditions: VCC = +2.75 V, TA = 25°C, RF = 1960 MHz, LO = 2143.6 MHz, IF = 183.6 MHz, LO input = -5.0 dBm, RF input
= -30 dBm (High-gain mode). In a cascaded configuration Gain and IP3 values are also influenced by the SAW filter. No
correction has been made for filter loss (1.7 dB) and interstage board trace losses.
No.
Parameters
Test Conditions
Pin
Symbol
Min.
Typ.
Max.
Unit
Type*
Combined LNA and Mixer Performance
Gain
Band_SEL = Low;
Gain = Low; LIN =
High
G
33
1.8
dB
dB
Noise figure
Input IP3
NF
IIP3
Icc
-15
23.5
dBm
mA
Supply current
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
8
T0353
4559AS–CDMA–10/02
T0353
Typical Electrical Characteristics LNA and Mixer Separately (Cellular Band)
Test conditions: Unless otherwise noted, the following conditions apply to typical performance specification under static
conditions: VCC = +2.75 V, TA = 25°C, RF = 881.5 MHz, LO = 2130.82 MHz, IF = 183.6 MHz, LO input = -5.0 dBm, RF input
= -25 dBm (High-gain mode).
No.
Parameters
Test Conditions
Gain (dB)
NF (dB)
IIP3 (dBm)
Type*
Cell Band, High-Gain High-Linearity Mode (HGHL); CDMA Modulation
Cell LNA
Band_SEL = High; Gain = High;
LIN = High
16
12
1.5
7.0
11.5
11.5
Cell mixer
Cell Band, High-Gain Low-Linearity Mode (HGLL); CDMA Modulation
Cell LNA
Band_SEL = High; Gain = High;
LIN = Low
15
1.6
6.8
8.5
7.5
Cell mixer
11.5
Cell Band, Low-Gain Mode (LG); CDMA Modulation
Cell LNA
Band_SEL = High; Gain = Low;
LIN = High
-2.2
12
4.0
7.0
24.0
11.5
Cell mixer
Cell Band, AMPS Modulation
Cell LNA
Band_SEL = High; Gain = Low;
LIN = Low
15
10
1.6
9.0
8.5
4
Cell mixer
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
Typical Electrical Characteristics LNA and Mixer Separately (PCS Band)
Test conditions: Unless otherwise noted, the following conditions apply to typical performance specification under static
conditions: VCC = +2.75 V, TA = 25°C, RF = 1960 MHz, LO = 2143.6 MHz, IF = 183.6 MHz, LO input = -5.0 dBm, RF input
= -25 dBm (High-gain mode).
No.
Parameters
Test Conditions
Gain (dB)
NF (dB)
IIP3 (dBm)
Type*
PCS Band, High-Gain High-Linearity Mode (HGHL); CDMA Modulation
PCS LNA
Band_SEL = Low; Gain = High;
LIN = High
15
13
1.6
6.7
9.0
PCS mixer
10.5
PCS Band, High-Gain Low-Linearity Mode (HGLL); CDMA Modulation
PCS LNA
Band_SEL = Low; Gain = High;
LIN = Low
15
13
1.6
6.0
6.5
5.5
PCS mixer
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design paramete
9
4559AS–CDMA–10/02
Typical Electrical Characteristics LNA and Mixer Separately (GPS Band)
Test conditions: Unless otherwise noted, the following conditions apply to typical performance specification under static
conditions: VCC = +2.75 V, TA = 25°C, RF = 1575.42 MHz, LO = 1391.82 MHz, IF = 183.6 MHz, LO input = -5.0 dBm, RF
input = -35 dBm (High-gain mode).
No.
Parameters
A-GPS Mode
Cell LNA
Test Conditions
Gain (dB)
NF (dB)
IIP3 (dBm)
Type*
Band_SEL = Low; Gain = Low;
LIN = Low
19.5
16
1.5
7.9
-4.0
-1
Cell mixer
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
Ordering Information
Extended Type Number
Package
Remarks
T0353
HP-VFQFP-N32
TBD
Package Information
Note: GND solder mask opening is not centered on the package.
10
T0353
4559AS–CDMA–10/02
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4559AS–CDMA–10/02
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