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參數資料
| 型號： | TLV990-40PFB |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP48 |
| 封裝： | GREEN, PLASTIC, TQFP-48 |
| 文件頁數： | 6/24頁 |
| 文件大?。?/td> | 418K |
| 代理商： | TLV990-40PFB |
TLV99040
3V, 10BIT, 40MSPS AREA CCD ANALOG FRONT END
SLAS326A JANUARY 2001 REVISED MARCH 2004
14
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
REGISTER DEFINITION
hot/cold pixel limit register format
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
X
HFIT
hot/cold pixel limit register description
Bit
Name
Description
D9 D1
X
Reserved
D0
HFIT
Set hot/cold pixel filter
0 Apply Vb
± .8 hot/cold pixel filtering
1 No hot/cold pixel filtering (default)
Default hot/cold pixel limit register value = 0000000001
control register2 format
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
SOF
NOS
ASOF
VGND
INM
ACL
WT3
WT2
WT1
WT0
control register 2 description
BIT
NAME
DESCRIPTION
D9
SOF
0 – Normal mode (default)
1 – Start of frame (only used when exposure time is changed)
When this bit is set to 1, next positive ADCCLK edge indicates that next pixel line is the beginning of a new frame.
The optical black correction will be performed with one line averaging only (digital filtering weight = 1) and without
hot/cold pixel limits.
D8
NOS
Internal test bit, add 255 to optical black pixels when this bit is set to 1; default = 0
D7
ASOF
Enable the auto SOF:
1 Automatically enable SOF at major gain changes (no digital filtering for 1 line)
0 No auto SOF (default)
D6
VGND
Short VIDEOIN to GND when this bit is set to 1; default = 0
D5
INM
This bit selects the input modes.
0 CCD mode (default)
1 Video mode
D4
ACL
0 Video mode, autoclamp (default)
1 Video mode, manual clamp
D3D0
WT3WT0
These three bits set the weight for digital filtering.
WT3
WT2
WT1
WT0
Weight (effect of the averaged result of each optical
black pixel line on overall optical black averaging)
000
0
1
000
1
1/2
001
0
1/2
001
1
1/8
0
1
0
1/16
0
1
0
1
1/32
0
1
0
1/64
0
1
1/128 (default)
1
0
1/256
Default control register2 value = X000000000
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| TLV990-40PFBG4 | 功能描述:視頻模擬/數字化轉換器集成電路 3-V 10-Bit 40 MSPS Area CCD RoHS:否 制造商:Texas Instruments 輸入信號類型:Differential 轉換器數量:1 ADC 輸入端數量:4 轉換速率:3 Gbps 分辨率:8 bit 結構: 輸入電壓:3.3 V 接口類型:SPI 信噪比: 電壓參考: 電源電壓-最大:3.45 V 電源電壓-最小:3.15 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TCSP-48 封裝:Reel |
| TLV990B | 制造商:TI 制造商全稱:Texas Instruments 功能描述:3-V, 10-BIT, 28-MSPS AREA CCD AND VIDEO SIGNAL PROCESSOR |
| TLV990BPFB | 功能描述:IC CCD SIGNAL PROC/DGTZR 48TQFP RoHS:是 類別:集成電路 (IC) >> 數據采集 - 模擬前端 (AFE) 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 位數:- 通道數:2 功率（瓦特）:- 電壓 - 電源，模擬:3 V ~ 3.6 V 電壓 - 電源，數字:3 V ~ 3.6 V 封裝/外殼:32-VFQFN 裸露焊盤 供應商設備封裝:32-QFN（5x5） 包裝:帶卷 (TR) |
| TLV990PFB | 制造商:TI 制造商全稱:Texas Instruments 功能描述:3-V, 10-BIT, 28-MSPS AREA CCD AND VIDEO SIGNAL PROCESSOR |
| TLVAIC12KIRHBRG4 | 功能描述:接口—CODEC Lo-Pwr Mono Voice Band CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數量:2 DAC 數量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
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