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參數資料
| 型號： | TDA8757AHL/17 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | ADC |
| 英文描述： | 3-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP144 |
| 封裝： | PLASTIC, HLQFP-144 |
| 文件頁數： | 14/37頁 |
| 文件大?。?/td> | 908K |
| 代理商： | TDA8757AHL/17 |
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Philips Semiconductors
TDA8757A
Triple 8-bit ADC 205 Msps
Preliminary data
Rev. 01 — 22 March 2002
21 of 37
9397 750 09549
Koninklijke Philips Electronics N.V. 2002. All rights reserved.
The default programmed value is as follows:
No external clock: bit ‘Ckext’ is logic 0
Phase shift for CKDATA is 0 deg.
9.1.8
DEMUX register
The default programming is:
Outputs forced to logic 0 during CLP and HSYNC pulses: bit ‘Blk’ = 1
First pixel not shifted: bit ‘Shpixel’ = 0
CKREFO with positive polarity: bit ‘Ckrp’ = 0
CKDATA not reversed: bit ‘Ckdp’ = 0
CKDATA not delayed: bit ‘Ckdd’ = 0
Interleaved outputs: bit ‘Shift’ = 1
Odd pixels on port A: bit ‘Odda’ = 1.
Demultiplexed outputs: bit ‘Dmx’ = 1
9.1.9
Power-down mode
When the supply is completely switched off, the registers are set to their default
values; in that event they have to be reprogrammed if the required settings are
different (e.g. through an EEPROM)
When the device is in Power-down mode (pin PD = HIGH), the previously
programmed register values remain unaffected.
9.2 I2C-bus protocol
The address of the circuit for the I2C-bus is 1001 1XX0.
Bits ‘A1’ and ‘A0’ are xed by the potential on pins A2 and A1. Bit ‘RW’ must always
be equal to logic 0 because it is not possible to read the data in the register. The
timing and protocol for the I2C-bus are standard. Two sequences are available;
Table 11: Phase registers bits
P4
P3
P2
P1
P0
Phase shift (deg)
000000
00001
11.25
...
11110
337.5
11111
348.75
Table 12: Register format
A6
A5
A4
A3
A2
A1
A0
RW
10011A2
A1
0
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TDA8757HL | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Triple 8-bit ADC 170 Msps |
| TDA8758 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:YC 8-bit low-power analog-to-digital video interface |
| TDA8758G | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:YC 8-bit low-power analog-to-digital video interface |
| TDA8759HV/8/C1 | 功能描述:模數轉換器 - ADC 3X8-BITS VIDEO ADC 110MSPS RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| TDA8759HV/8/C1,551 | 功能描述:模數轉換器 - ADC 3X8-BITS VIDEO RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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