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TLV990B

更新时间： 2024-11-10 03:59:19
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
22页 288K
描述
3-V, 10-BIT, 28-MSPS AREA CCD AND VIDEO SIGNAL PROCESSOR

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TLV990B 数据手册

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TLV990B  
3-V, 10-BIT, 28-MSPS AREA CCD AND VIDEO SIGNAL PROCESSOR  
SLAS327– FEBRUARY 2001  
features  
application  
Single-Chip CCD and Video Signal  
Processor  
Video Camcorder  
PFB PACKAGE  
(TOP VIEW)  
10-Bit, 28-MSPS, A/D-Converter Single 3-V  
Supply Operation  
Very Low Power: 150 mW Typical, 2-mW  
Power-Down Mode  
Differential Nonlinearity Error:  
< ±0.5 LSB Typical  
36 35 34 33 32 31 30 29 28 27 26 25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
OE  
AGND5  
RBD  
37  
38  
39  
40  
41  
42  
43  
Integral Nonlinearity Error: <±0.9 LSB  
Typical  
SCKP  
DACO2  
DACO1  
AGND3  
RMD  
RPD  
Programmable Gain Amplifier (PGA) With  
0-dB to 36-dB Gain Range (0.045 dB/Step)  
AV  
DD5  
Automatic or Programmable Optical Black  
Level and Offset Calibration With Digital  
Filter and Bad Pixel Limits  
TLV990BPFB  
AV  
V
DD3  
SS  
DIGND  
DIV  
D9  
D8  
D7  
D6  
AV  
DD1  
AGND1 44  
SR 45  
DD  
Additional DACs for External Analog  
Setting  
SV 46  
Serial Interface for Register Configuration  
Internal-Reference Voltages  
CLCCD 47  
CLREF  
48  
1
2
3
4
5
6
7
8
9 10 11 12  
48-Pin TQFP Package  
description  
The TLV990B is a complete CCD and video signal  
processor/digitizer designed for video camcorder  
applications. The TLV990B performs all the analog-processing functions necessary to maximize the dynamic  
range, corrects various errors associated with the CCD sensor, and then digitizes the results with an on-chip  
high-speed analog-to-digital converter (ADC).  
The key components of the TLV990B include: an input clamp circuit for CCD and analog video signals, a  
correlated double sampler (CDS), a programmable-gain amplifier (PGA) with 0 to 36-dB gain range, two internal  
digital-to-analog converters (DAC) for automatic or programmable optical black level and offset calibration, a  
10-bit, 28-MSPS pipeline ADC, a parallel data port for easy microprocessor interface, a serial port for  
configuring internal control registers, two additional DACs for external system control, and internal reference  
voltages.  
Designed in advanced CMOS process, the TLV990B operates from a single 3-V power supply with a normal  
power consumption of 150 mW at 28 MSPS, and 2 mW in power-down mode.  
Its very high throughput rate, single 3-V operation, very low-power consumption, and fully-integrated analog  
processing circuitry make the TLV990B an ideal CCD and video signal-processing solution for electronic  
video-camcorder applications.  
This device is available in a 48-pin TQFP package and is specified over a –20°C to 75°C operating-temperature  
range.  
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.  
Copyright 2001, 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  
1234567...22

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