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參數資料
| 型號： | TLV987CPFB |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 模擬信號調理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PQFP48 |
| 封裝： | PLASTIC, TQFP-48 |
| 文件頁數： | 4/21頁 |
| 文件大小： | 285K |
| 代理商： | TLV987CPFB |
TLV987
3-V 10-BIT 27 MSPS AREA CCD SENSOR
SIGNAL PROCESSOR
SLAS211A – MARCH 1999 – REVISED SEPTEMBER 1999
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PRINCIPLES OF OPERATION
test register format
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
TB9
TB8
TB7
TB6
TB5
TB4
TB3
TB2
TB1
TB0
Default test register value =1010000000
test register description
BIT
NAME
DESCRIPTION
D9 – D6
TB9 – TB6
These four bits are used to program the internal DC bias current. The bias current
programming uses the following equation:
Ibias = 8 A + (code) x 2 A
Hence, Ibias varies from 8 A (code=0000) to 38 A (code=1111), with a linear step
of 2
A.
The recommended setting of the code is 1010 which sets the nominal Ibias value to
28
A.
D5, D4
TB5, TB4
Test outputs (pin 34/35 – TPM/TPP) control:
TB5
TB4
0
0 or 1 High impedance outputs at pin TPP and TPM.
1
0
Inverted internal CDS clock at pin TPP,
Inverted internal PGA clock at pin TPM.
1
PGA non-inverting output at pin TPP,
PGA inverting output at pin TPM.
D3
TB3
1 = Use external reference, power down internal reference
0 = Use internal reference (default).
D2
TB2
Reserved
D1, D0
TB1, TB0
Test output (pin 23, DACT) control for offset DACs:
TB1
TB0
0
0 or 1 High impedance outputs at pin DACT (default = 00)
1
0
Fine offset DAC output at pin DACT
1
Coarse offset DAC output at pin DACT
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相關代理商/技術參數 |
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| TLV987PFB | 制造商:TI 制造商全稱:Texas Instruments 功能描述:3-V 10-BIT 27 MSPS AREA CCD SENSOR SIGNAL PROCESSOR |
| TLV990 | 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 |
| TLV990-13 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:3-V, 10-BIT, 13-MSPS AREA CCD ANALOG FRONT END |
| TLV990-13PFB | 功能描述:視頻模擬/數字化轉換器集成電路 CCD Sig Processor/ Digitizer Designed 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 |
| TLV990-13PFBG4 | 功能描述:視頻模擬/數字化轉換器集成電路 CCD Sig Processor/ Digitizer Designed 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 |
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