TSL261 [TI]
TSL261 IR Light-to-Voltage Converter;
| 型号： | TSL261 |
| 厂家： | 
TEXAS INSTRUMENTS |
| 描述： | TSL261 IR Light-to-Voltage Converter |
| 文件： | 总10页 (文件大小：149K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
ꢀ ꢁꢂ ꢃ ꢄ ꢅ ꢆꢇ ꢀꢁ ꢂꢃ ꢄ ꢈꢆ ꢇꢀ ꢁꢂ ꢃꢄ ꢃ
ꢉꢊ ꢇꢂ ꢉꢋ ꢌꢀꢍꢀꢎ ꢍꢏꢎ ꢂꢀꢐꢋ ꢑꢇ ꢎꢒ ꢀ ꢉꢓꢐꢂꢇꢁ ꢑ ꢔꢁ ꢎ ꢊꢁ
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SOES008A − DECEMBER 1992 − REVISED FEBRUARY 1993
•
Integral Visible Light Cutoff Filter
• Low Dark (Offset) Voltage . . . 10 mV
Max at 25°C, V = 5 V
• Monolithic Silicon IC Containing
Photodiode, Operational Amplifier, and
Feedback Components
DD
• Single-Supply Operation
• Wide Supply Voltage Range . . . 3 V to 9 V
• Low Supply Current . . . 800 µA Typical at
• Converts Light Intensity to Output Voltage
• High Irradiance Responsivity Typically
V
= 5 V
DD
2
42 mV/(µW/cm ) at λ = 940 nm (TSL260)
p
• Advanced LinCMOS Technology
description
The TSL260, TSL261, and TSL262 are light-to-voltage optical sensors each combining a photodiode and a
transimpedance amplifier (feedback resistor = 16 MΩ, 8 MΩ, and 2 MΩ, respectively) on a single monolithic
integrated circuit. The output voltage is directly proportional to the infrared light intensity (irradiance) on the
photodiode. The TSL260, TSL261, and TSL262 utilize Texas Instruments silicon-gate LinCMOS technology,
which provides good amplifier offset-voltage stability and low power consumption.
mechanical data
The photodiode/amplifier chip is packaged in a black, infrared-transmissive plastic package. The integrated
2
2
2
2
2
2
photodiode active area is typically 1,0 mm (0.0016 in ), 0.5 mm (0.00078 in ), and 0.26 mm (0.0004 in ) for
the TSL260, TSL261, and TSL262, respectively.
0,75 (0.030)
0,65 (0.026)
2,125 (0.084)
1,875 (0.074)
2,25 (0.089)
1,75 (0.069)
PIN 1 GND
PIN 2 V
PIN 3 OUT
0,635 (0.025)
0,4 (0.016)
1,25 (0.049)
0,75 (0.029)
DD
1
2
3
4,2 (0.165)
3,8 (0.150)
1
2
3
2,05 (0.081)
1,55 (0.061)
0,65 (0.026)
0,55 (0.022)
0,86 (0.034)
0,46 (0.018)
15,7 (0.619)
13,2 (0.520)
3,05 (0.120)
2,55 (0.100)
4,8 (0.189)
4,4 (0.173)
4,85 (0.191)
4,35 (0.171)
0,85 (0.033)
0,35 (0.014)
1,75 (0.069)
1,25 (0.049)
4,35 (0.171)
3,85 (0.152)
0,75 (0.030) R
0,51 (0.02)
0,385 (0.015)
5,05 (0.199)
4,55 (0.179)
2,74 (0.108)
2,34 (0.092)
ALL LINEAR DIMENSIONS ARE IN MILLIMETERS AND PARENTHETICALLY IN INCHES
LinCMOS is a trademark of Texas Instruments Incorporated.
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Copyright 1993, Texas Instruments Incorporated
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5−1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS
77251−1443
ꢀ ꢁꢂ ꢃ ꢄ ꢅ ꢆ ꢇꢀ ꢁꢂ ꢃꢄ ꢈ ꢆ ꢇ ꢀꢁ ꢂ ꢃ ꢄ ꢃ
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SOES008A − DECEMBER 1992 − REVISED FEBRUARY 1993
functional block diagram
−
+
Voltage
Output
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, V
(see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 V
DD
Output current, I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 mA
O
Duration of short-circuit current at (or below) 25°C (see Note 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 s
Operating free-air temperature range, T
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −25°C to 85°C
A
Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −25°C to 85°C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240°C
NOTES: 1. All voltages are with respect to GND.
2. Output may be shorted to either supply.
recommended operating conditions
MIN NOM
MAX
9
UNIT
V
Supply voltage, V
DD
3
0
5
Operating free-air temperature, T
70
°C
A
electrical characteristics at V
(see Note 3)
= 5 V, T = 25°C, λp = 940 nm, R = 10 kΩ (unless otherwise noted)
DD
A
L
TSL260
TYP MAX
TSL261
TSL262
TEST
CONDITIONS
PARAMETER
UNIT
MIN
MIN TYP MAX
MIN TYP MAX
V
V
Dark voltage
E
E
E
E
E
E
= 0
3
3.5
2
10
3
10
3
10
mV
V
DARK
e
e
e
e
e
e
2
2
Maximum output
= 2.6 mW/cm
3.1
1
3.1
1
3.5
3.1
1
3.5
OM
2
= 48 µW/cm
3
2
= 87 µW/cm
2
3
V
O
Output voltage
V
= 525 µW/cm
2
3
2
= 48 µW/cm ,
= 0°C to 70°C
1
T
A
2
E
T
A
= 87 µW/cm ,
Temperature coefficient
of output voltage (V )
O
e
1
mV/°C
= 0°C to 70°C
2
E
T
A
= 525 µW/cm ,
= 0°C to 70°C
e
1
2
N
Irradiance responsivity
Supply current
See Note 4
= 48 µW/cm
42
23
3.8
mV/(µW/cm )
e
2,
2,
E
e
900 1600
No load
E
e
= 87 µW/cm
900 1600
I
µA
DD
No load
2,
E
= 525 µW/cm
e
900 1600
No load
NOTES: 3. The input irradiance E is supplied by a GaAs infrared-emitting diode with λ = 940 nm.
e
p
4. Irradiance responsivity is characterized over the range V = 0.05 to 3 V.
O
5−2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS
77251−1443
ꢀ ꢁꢂ ꢃ ꢄ ꢅ ꢆꢇ ꢀꢁ ꢂꢃ ꢄ ꢈꢆ ꢇꢀ ꢁꢂ ꢃꢄ ꢃ
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ꢕ
SOES008A − DECEMBER 1992 − REVISED FEBRUARY 1993
operating characteristics at T = 25°C (see Figure 1)
A
TSL260
TSL261
TSL262
PARAMETER
TEST CONDITIONS
UNIT
MIN TYP MAX
MIN TYP MAX
MIN TYP MAX
t
t
Output pulse rise time
Output pulse fall time
Output noise voltage
V
DD
V
DD
V
DD
= 5 V,
= 5 V,
λ
λ
= 940 nm
= 940 nm
360
360
0.6
90
90
7
7
µs
µs
r
p
f
p
V
= 5 V, f = 20 Hz
0.5
0.4
µV/√Hz
n
PARAMETER MEASUREMENT INFORMATION
V
DD
E
e
Pulse
Generator
2
Input
−
IRED
(see Note A)
t
f
t
3
r
Output
+
90%
90%
R
L
TSL26x
1
Output
(see Note B)
10%
VOLTAGE WAVEFORM
NOTES: A. The input irradiance is supplied by a pulsed GaAs infrared-emitting diode with the following characteristics: λ = 940 nm, t < 1 µs,
10%
TEST CIRCUIT
p
r
t < 1 µs.
f
B. The output waveform is monitored on an oscilloscope with the following characteristics: t < 100 ns, Z ≥ 1 MHz, C ≤ 20 pF.
r
i
i
Figure 1. Switching Times
TYPICAL CHARACTERISTICS
OUTPUT VOLTAGE
vs
PHOTODIODE SPECTRAL RESPONSE
IRRADIANCE
10
1
0.9
0.8
T
A
= 25°C
V
= 5 V
DD
= 940 nm
TSL261
λ
p
No Load
T
A
= 25°C
TSL260
0.7
0.6
0.5
0.4
0.3
0.2
1
TSL262
0.1
0.1
0
0.01
600
700
800
900
1000
1100
0.1
1
10
100
1000
2
λ − Wavelength − nm
E
e
− Irradiance − µW/cm
Figure 2
Figure 3
5−3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS
77251−1443
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SOES008A − DECEMBER 1992 − REVISED FEBRUARY 1993
TYPICAL CHARACTERISTICS
SUPPLY CURRENT
vs
HIGH-LEVEL OUTPUT VOLTAGE
vs
OUTPUT VOLTAGE
SUPPLY VOLTAGE
9
8
7
6
1
2
E
λ
R
= 2.6 mW/cm
= 940 nm
= 10 kΩ
e
p
L
0.8
T
A
= 25°C
0.6
0.4
0.2
0
5
4
V
= 5 V
DD
No Load
3
2
(R = ∞)
L
A
T
= 25°C
4
5
6
7
8
9
10
0
1
2
3
4
V
DD
− Supply Voltage − V
V
O
− Output Voltage − V
Figure 4
Figure 5
NORMALIZED OUTPUT VOLTAGE
vs
ANGULAR DISPLACEMENT
1
0.8
TSL260
TSL261, 262
0.6
0.4
0.2
0
80° 60°
40° 20°
0°
20° 40° 60°
80°
θ − Angular Displacement
Figure 6
5−4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS
77251−1443
ꢀ ꢁꢂ ꢃ ꢄ ꢅ ꢆꢇ ꢀꢁ ꢂꢃ ꢄ ꢈꢆ ꢇꢀ ꢁꢂ ꢃꢄ ꢃ
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SOES008A − DECEMBER 1992 − REVISED FEBRUARY 1993
APPLICATION INFORMATION
V
DD
2
R
= 100 kΩ
P
3
TSL26x
Sensor
Output
1
NOTE A: Pullup resistor extends linear output range to near V
DD
with minimal (several millivolts typical) effect on V ; particularly useful
DARK
at low V
(3 V to 5 V).
DD
Figure 7. Pullup for Increased V
OM
5 V
5 V
4.7 kΩ
50-kΩ
Threshold
2
100 Ω
5 V
3
10 kΩ
2
3
TSL261
Sensor
8
4
−
+
1
†
OP240
Output
1
LM393
15 kΩ
15 kΩ
†
OPTEK part number
NOTE A: Output goes high when beam is interrupted; working distance is several inches or less. Intended for use as optical-interrupter switch
or reflective-object sensor.
Figure 8. Short-Range Optical Switch With Hysteresis
5−5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS
77251−1443
ꢀ ꢁꢂ ꢃ ꢄ ꢅ ꢆ ꢇꢀ ꢁꢂ ꢃꢄ ꢈ ꢆ ꢇ ꢀꢁ ꢂ ꢃ ꢄ ꢃ
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SOES008A − DECEMBER 1992 − REVISED FEBRUARY 1993
APPLICATION INFORMATION
5 V
5 V
5 V
†
BN301
2
27 kΩ
3 kΩ
50 kΩ
5 V
8
4.7 kΩ
4
8
7
6
2
3
2
TSL262
Sensor
−
+
1
3
Output
3
0.01 µF
TLC555
1
2N3906
4
1
TLC372
18 Ω
0.01 µF
100 kΩ
15-kΩ
Threshold
†
Stanley part number
NOTE A: Output pulses low until beam is interrupted. Useful range is 1 ft to 20 ft; can be extended with lenses. This configuration is suited
for object detection, safety guards, security systems, and automatic doors.
Figure 9. Pulsed Optical-Beam Interrupter
6 V
100 Ω
560 kΩ
1 kΩ
0.01 µF
2
4
†
‡
OP295
or
BN301
3
3
8
1
TSL260
Sensor
0.1 µF
270 kΩ
Light
Shield
NE567
1
5
6
0.1 µF
10 kΩ
2N3904
+
2
7
+
4.7 µF
0.1 µF
1 µF
†
‡
OPTEK part number
Stanley part number
NOTE A: Output goes low when light pulses from emitter are reflected back to sensor. Range is 6 in to 18 in depending upon object
reflectance. Useful for automatic doors, annunciators, object avoidance in robotics, automatic faucets, and security systems.
Figure 10. Proximity Detector
5−6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS
77251−1443
ꢀ ꢁꢂ ꢃ ꢄ ꢅ ꢆꢇ ꢀꢁ ꢂꢃ ꢄ ꢈꢆ ꢇꢀ ꢁꢂ ꢃꢄ ꢃ
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SOES008A − DECEMBER 1992 − REVISED FEBRUARY 1993
APPLICATION INFORMATION
S1
R3
22 Ω
9 V
R1
680 Ω
D1
BN301
8
4
3
†
7
3
5
2
Q1
2N3904
To Sensor
R2
1 kΩ
U1
TLC555
6
2
1
+
C1
1 µF
1
TRANSMITTER
6 V
2
IN
U4
TSL260
Sensor
2
J1
AC Load
3
6 V
3
OUT
R4
180 Ω
R8
300 Ω
C5
0.1 µF
1
COM
1
6 V
120 V
60 Hz
6
4
U3
1
2
R7
4.7 kΩ
4
Q2
TIC225C
3
5
6
2
R5
2
8
1
7.5 kΩ
TIL3010
3
1
U2
NE567
6 V
Freq
Trim
R6
4.7 kΩ
7
2
PRE
5
3
C2
0.1 µF
V
CLR
+
+
CC
U5
1/2 SN74HC76
CLK
C3
1 µF
4
C4
4.7 µF
J
Q3
2N3904
15
1
Q
R9
1 kΩ
16
K
GND
13
RECEIVER
†
OPTEK part number
NOTE A: Single-channel remote control can be used to switch logic or light dc loads by way of U5 or ac loads by way of the optocoupler and
triac as shown. Applications include ceiling fans, lamps, electric heaters, etc.
Figure 11. IR Remote Control
5−7
•
POST OFFICE BOX 1443 • HOUSTON, TEXAS
77251−1443
ꢀ ꢁꢂ ꢃ ꢄ ꢅ ꢆ ꢇꢀ ꢁꢂ ꢃꢄ ꢈ ꢆ ꢇ ꢀꢁ ꢂ ꢃ ꢄ ꢃ
ꢉ ꢊ ꢇꢂ ꢉ ꢋꢌ ꢀꢍꢀꢎꢍꢏ ꢎꢂꢀꢐꢋ ꢑ ꢇꢎ ꢒ ꢀꢉ ꢓꢐ ꢂꢇ ꢁꢑ ꢔꢁꢎ ꢊꢁ
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SOES008A − DECEMBER 1992 − REVISED FEBRUARY 1993
APPLICATION INFORMATION
6 V
6 V
IN
D1
OP295
†
†
U2
TLE2426
D2
OP295
6 V
OUT
U1
TLC271
COM
7
3
5
+
6
Q1
2N3904
+
2
_
1
8
R1
10 kΩ
Audio
Input
C1
4
1 µF
R3
40 Ω
R2
20 kΩ
TRANSMITTER
9 V
2
IN
U1
TSL261
Sensor
3
OUT
+
C3
1 µF
COM
C1
100 pF
1
VOL
R2
10 kΩ
9 V
9 V
7
R1
100 kΩ
IN
2
3
_
+
U2
TLE2426
+
6
U3A
NE5534
OUT
C2
47 µF
4
COM
Output
(to headphones)
RECEIVER
†
OPTEK part number
NOTE A: Simple transmission of audio signal over short distances (<10 ft). Applications include wireless headphones, wireless-telephone
headset, and wireless-headset intercom.
Figure 12. IR Voice-Band Audio Link
5−8
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS
77251−1443
PACKAGE OPTION ADDENDUM
www.ti.com
2-Mar-2009
PACKAGING INFORMATION
Orderable Device
Status (1)
Package Package
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)
Qty
Type
Drawing
TSL260
TSL261
TSL262
OBSOLETE
OBSOLETE
OBSOLETE
TO
LL
LL
LL
3
3
3
TBD
TBD
TBD
Call TI
Call TI
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TO
TO
(1) The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in
a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
(2)
Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check
http://www.ti.com/productcontent for the latest availability information and additional product content details.
TBD: The Pb-Free/Green conversion plan has not been defined.
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements
for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered
at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and
package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS
compatible) as defined above.
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame
retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)
(3)
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder
temperature.
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provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the
accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take
reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on
incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited
information may not be available for release.
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI
to Customer on an annual basis.
Addendum-Page 1
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