TSL1401R-LF TAOS, TSL1401R-LF Datasheet

Photodiodes Linear Sensor Array 400dpi 128pix

TSL1401R-LF

Manufacturer Part Number
TSL1401R-LF
Description
Photodiodes Linear Sensor Array 400dpi 128pix
Manufacturer
TAOS
Type
Linear Sensor Arrayr
Datasheet

Specifications of TSL1401R-LF

Peak Wavelength
1000 nm
Maximum Rise Time
500 ns
Maximum Fall Time
500 ns
Package / Case
PDIP-8
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Mounting Style
Through Hole
Product
Photodiode
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
r
Description
Functional Block Diagram
The LUMENOLOGY r Company
CLK
SI
D
D
D
D
D
D
D
D
D
D
D
D
1
2
The TSL1401R−LF linear sensor array consists of a 128 × 1 array of photodiodes, associated charge amplifier
circuitry, and an internal pixel data-hold function that provides simultaneous-integration start and stop times for
all pixels. The pixels measure 63.5 μm (H) by 55.5 μm (W) with 63.5-μm center-to-center spacing and 8-μm
spacing between pixels. Operation is simplified by internal control logic that requires only a serial-input (SI)
signal and a clock.
128 × 1 Sensor-Element Organization
400 Dots-Per-Inch (DPI) Sensor Pitch
High Linearity and Uniformity
Wide Dynamic Range . . . 4000:1 (72 dB)
Output Referenced to Ground
Low Image Lag . . . 0.5% Typ
Operation to 8 MHz
Single 3-V to 5-V Supply
Rail-to-Rail Output Swing (AO)
No External Load Resistor Required
Replacement for TSL1401 and TSL1401R
RoHS Compliant
Pixel 1
Hold
S1
Sample/Hold/
_
+
Texas Advanced Optoelectronic Solutions Inc.
Output
2
1
Q1
Integrator
1001 Klein Road S Suite 300 S Plano, TX 75074 S (972) 673-0759
Reset
S2
1
2
r
3
128-Bit Shift Register
Switch Control Logic
r
Pixel
2
www.taosinc.com
Q2
Pixel
128 × 1 LINEAR SENSOR ARRAY WITH HOLD
3
Q3
Pixel
CLK 2
V
128
AO 3
DD
SI 1
Q128
4
r
NC − No internal connection
Analog
Bus
DIP PACKAGE
(TOP VIEW)
Output
Buffer
Gain
Trim
Copyright E 2007, TAOS Inc.
TAOS076B − APRIL 2007
TSL1401R−LF
8 NC
7 GND
6 GND
5 NC
6, 7
4
3
AO
GND
V
DD
1

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TSL1401R-LF Summary of contents

Page 1

... RoHS Compliant Description The TSL1401R−LF linear sensor array consists of a 128 × 1 array of photodiodes, associated charge amplifier circuitry, and an internal pixel data-hold function that provides simultaneous-integration start and stop times for all pixels. The pixels measure 63.5 μm (H) by 55.5 μm (W) with 63.5-μm center-to-center spacing and 8-μm spacing between pixels ...

Page 2

... A 0.1 μF bypass capacitor should be connected between V The TSL1401R−LF is intended for use in a wide variety of applications, including: image scanning, mark and code reading, optical character recognition (OCR) and contact imaging, edge detection and positioning, and optical linear and rotary encoding. ...

Page 3

... ‡ clock period + www.taosinc.com TSL1401R−LF TAOS076B − APRIL 2007 −0 −0 − − −0 ...

Page 4

... TSL1401R−LF 128 × 1 LINEAR SENSOR ARRAY WITH HOLD TAOS076B − APRIL 2007 Electrical Characteristics at f clock 330 Ω μW/cm (unless otherwise noted) (see Note PARAMETER V Analog output voltage (white, average over 128 pixels) out V Analog output voltage (dark, average over 128 pixels) ...

Page 5

... Integrating 129 Clock Cycles Figure 1. Timing Waveforms 2 128 Pixel 128 Figure 2. Operational Waveforms r www.taosinc.com TSL1401R−LF TAOS076B − APRIL 2007 t qt int Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Hi-Z 129 5 V 2.5 V ...

Page 6

... TSL1401R−LF 128 × 1 LINEAR SENSOR ARRAY WITH HOLD TAOS076B − APRIL 2007 PHOTODIODE SPECTRAL RESPONSIVITY 25°C A 0.8 0.6 0.4 0.2 0 300 400 500 600 700 800 λ − Wavelength − nm Figure 3 WHITE OUTPUT VOLTAGE vs FREE-AIR TEMPERATURE 0 int 1 − Free-Air Temperature − °C ...

Page 7

... TYPICAL CHARACTERISTICS 600 out 500 470 pF 400 220 pF 300 200 100 pF 100 800 1000 0 200 r www.taosinc.com TSL1401R−LF TAOS076B − APRIL 2007 SETTLING TIME vs. LOAD 470 pF 220 pF 100 400 600 800 1000 R — Load Resistance − Figure 8 Copyright E 2007, TAOS Inc ...

Page 8

... TSL1401R−LF 128 × 1 LINEAR SENSOR ARRAY WITH HOLD TAOS076B − APRIL 2007 Integration Time The integration time of the linear array is the period during which light is sampled and charge accumulates on each pixel’s integrating capacitor. The flexibility to adjust the integration period is a powerful and useful feature of the TAOS TSL14xx linear array family ...

Page 9

... In the case of the TSL1401R−LF with the maximum clock frequency of 8 MHz, the minimum integration time would be 0.125 ms int(min good practice on initial power up to run the clock (n+1) times after the first SI pulse to clock out indeterminate data from power up ...

Page 10

... TSL1401R−LF 128 × 1 LINEAR SENSOR ARRAY WITH HOLD TAOS076B − APRIL 2007 This dual-in-line package consists of an integrated circuit mounted on a lead frame and encapsulated in an electrically nonconductive clear plastic compound. 200 mm Typical C L Pixel 1 Pin 1 0.310 (7,87) 0.290 (7,37) 0.075 (1,91) 10° ...

Page 11

... UNAUTHORIZED AND ANY SUCH USE BY A CUSTOMER IS COMPLETELY AT THE CUSTOMER’S RISK. LUMENOLOGY, TAOS, the TAOS logo, and Texas Advanced Optoelectronic Solutions are registered trademarks of Texas Advanced Optoelectronic Solutions Incorporated. The LUMENOLOGY r Company 128 × 1 LINEAR SENSOR ARRAY WITH HOLD NOTICE r www.taosinc.com TSL1401R−LF TAOS076B − APRIL 2007 Copyright E 2007, TAOS Inc ...

Page 12

... TSL1401R−LF 128 × 1 LINEAR SENSOR ARRAY WITH HOLD TAOS076B − APRIL 2007 Copyright E 2007, TAOS Inc www.taosinc.com The LUMENOLOGY r Company r ...

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