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TLV987PFB

更新时间: 2024-11-07 22:23:11
品牌 Logo 应用领域
德州仪器 - TI 传感器
页数 文件大小 规格书
20页 264K
描述
3-V 10-BIT 27 MSPS AREA CCD SENSOR SIGNAL PROCESSOR

TLV987PFB 数据手册

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TLV987  
3-V 10-BIT 27 MSPS AREA CCD SENSOR  
SIGNAL PROCESSOR  
SLAS211A – MARCH 1999 – REVISED SEPTEMBER 1999  
10-Bit, 27 MSPS, A/D Converter  
Single 3-V Supply Operation  
PFB PACKAGE  
(TOP VIEW)  
Low Power: 200 mW Typical at 3 V, 2 mW  
Power-Down Mode  
Differential Nonlinearity Error: <±0.6 LSB  
Typ  
48 47 46 45 44 43 42 41 40 39 38 37  
Integral Nonlinearity Error: <±2 LSB Typ  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
BLKG  
TPP  
TPM  
DIN  
PIN  
1
2
3
4
5
6
7
8
9
Programmable Gain Amplifier (PGA) With  
0-dB to 36-dB Gain Range (0.09 dB/step)  
AV  
DD2  
AGND2  
Automatic or Programmable Black Level  
and Offset Calibration  
AV  
DD4  
AGND4  
OBCLP  
STBY  
RESET  
CS  
SDIN  
SCLK  
ADCCLK  
DGND  
Additional DACs for External Analog  
Setting  
DV  
DD  
D0  
D1  
D2  
Serial Interface for Register Configuration  
Internal Reference Voltages  
D3 10  
48-Pin TQFP Package  
D4  
D5  
11  
12  
applications  
Digital Still Camera  
Digital Camcorder  
Digital Video Camera  
13 14 15 16 17 18 19 20 21 22 23 24  
description  
The TLV987 is a highly integrated monolithic analog signal processor/digitizer designed to interface the area  
charge-coupled device (CCD) sensors in digital camera applications. The TLV987 performs all the analog  
processing functions necessary to maximize the dynamic range, corrects various errors associated with the  
CCD sensor, and then converts the results from analog to digital using the on-chip high-speed analog-to-digital  
converter (ADC). The key components of the TLV987 include input clamp circuitry, a correlated double sampler  
(CDS), and a programmable gain amplifier (PGA). The PGA has 0-dB to 36-dB gain range. In addition, the  
TLV987 has two internal digital-to-analog converters (DACs) for automatic or programmable optical black level  
and offset calibration. The TLV987 also has two additional DACs for external system control, and internal  
reference voltages. The TLV987 has a parallel data port for easy microprocessor interface and a serial port for  
configuring internal control registers.  
Designed in advanced CMOS process, the TLV987 operates from a single 3-V power supply with a normal  
power consumption of 200 mW and a 2 mW power-down mode.  
Very high throughput rate, single 3-V operation, low power consumption, and fully integrated analog processing  
circuitry make the TLV987 an ideal CCD sensor interfacing solution for digital camera applications.  
The device is available in a 48-pin TQFP package and is characterized for operation over 0°C to 70°C operating  
free-air temperature range.  
AVAILABLE OPTIONS  
PACKAGE  
T
A
TQFP (PFB)  
0°C to 70°C  
TLV987CPFB  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
TI is a trademark of Texas Instruments Incorporated.  
Copyright 1999, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

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