參數(shù)資料
型號(hào)： TLV990BPFB
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝： PLASTIC, TQFP-48
文件頁(yè)數(shù)： 1/22頁(yè)
文件大小： 287K
代理商： TLV990BPFB
TLV990B
3-V, 10-BIT, 28-MSPS AREA CCD AND VIDEO SIGNAL PROCESSOR
SLAS327– FEBRUARY 2001
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
features
D Single-Chip CCD and Video Signal
Processor
D 10-Bit, 28-MSPS, A/D-Converter Single 3-V
Supply Operation
D Very Low Power: 150 mW Typical, 2-mW
Power-Down Mode
D Differential Nonlinearity Error:
<
±0.5 LSB Typical
D Integral Nonlinearity Error: <±0.9 LSB
Typical
D Programmable Gain Amplifier (PGA) With
0-dB to 36-dB Gain Range (0.045 dB/Step)
D Automatic or Programmable Optical Black
Level and Offset Calibration With Digital
Filter and Bad Pixel Limits
D Additional DACs for External Analog
Setting
D Serial Interface for Register Configuration
D Internal-Reference Voltages
D 48-Pin TQFP Package
application
D Video Camcorder
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.
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.
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.
23
OE
SCKP
DACO2
DACO1
AGND3
AVDD3
DIGND
DIVDD
D9
D8
D7
D6
24
23
22
21
20
19
18
17
16
15
14
13
4
37
38
39
40
41
42
43
44
45
46
47
48
AGND5
RBD
RMD
RPD
AVDD5
VSS
AVDD1
AGND1
SR
SV
CLCCD
CLREF
56
7
8
RESET
CS
SDIN
SCLK
35 34 33 32 31
36
30
BLKG
CL
VDO
ADDOS
AV
AGND4
D3
D4
D5
DD2
D0
D1
D2
28 27 26
29
9 10 11 12
25
1
ADCCLK
OBCLP
STBY
VIDEOIN
CCDIN
AGND2
PFB PACKAGE
(TOP VIEW)
AV
DGND
DD
DV
DD4
TLV990BPFB
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