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參數(shù)資料
| 型號(hào)： | TDA8757HL |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | ADC |
| 英文描述： | Triple 8-bit ADC 170 Msps |
| 中文描述： | 3-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP144 |
| 封裝： | HEAT SINK, PLASTIC, LQFP-144 |
| 文件頁數(shù)： | 21/37頁 |
| 文件大小： | 895K |
| 代理商： | TDA8757HL |
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Philips Semiconductors
TDA8757
Triple 8-bit ADC 170 Msps
Preliminary data
Rev. 07 — 28 February 2002
21 of 37
9397 750 09457
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 degrees.
9.1.8
DEMUX register
The default programming is:
Outputs forced to logic 0 during CLP and HSYNC pulses: bit ‘Blk’ = 1
CKREFO with positive polarity: bit ‘Ckrp’ = 0
CKDATA not reversed: bit ‘Ckdp’ = 0
CKDATA not delayed: bit ‘Ckdd’ = 0
De-multiplexed outputs: bit ‘Dmx’ = 1
Interleaved outputs: bit ‘Shift’ = 1
Odd pixels on port A: bit ‘Odda’ = 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 I
2
C-bus protocol
The address of the circuit for the I
2
C-bus is 1001 1XX0.
Bits ‘A1’ and ‘A0’ are fixed 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 I
2
C-bus are standard. Two sequences are available;
see
Table 13
and
14
.
Table 11: Phase registers bits
P4
P3
0
0
0
0
...
...
1
1
1
1
P2
0
0
...
1
1
P1
0
0
...
1
1
P0
0
1
...
0
1
Phase shift (deg)
0
11.25
...
337.5
348.75
Table 12: Register format
A6
A5
1
0
A4
0
A3
1
A2
1
A1
A2
A0
A1
RW
0
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| TDA8759HV/8/C1 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 3X8-BITS VIDEO ADC 110MSPS RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| TDA8759HV/8/C1,551 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 3X8-BITS VIDEO RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| TDA8759HV/8/C1,557 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 3X8-BITS VIDEO RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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