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參數(shù)資料
| 型號： | TDA8757 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Triple 8-bit ADC 170 Msps |
| 中文描述： | 三路8位ADC為170 MSPS |
| 文件頁數(shù)： | 11/37頁 |
| 文件大小： | 895K |
| 代理商： | TDA8757 |
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Philips Semiconductors
TDA8757
Triple 8-bit ADC 170 Msps
Preliminary data
Rev. 07 — 28 February 2002
11 of 37
9397 750 09457
Koninklijke Philips Electronics N.V. 2002. All rights reserved.
8.
Functional description
This triple high-speed 8-bit ADC is designed to convert RGB/YUV signals, coming
from an analog source, into digital data used by a LCD driver (pixel clock up to
170 MHz).
8.1 Analog video inputs
The RGB/YUV video inputs are externally AC coupled and are internally
DC polarized.
The synchronization signals are also used for the internal PLL and the gain
calibration.
If the green video signal has composite sync (sync on green), it is possible to extract
this composite sync by connecting the green signal to pin IN
SOG
(AC coupled). When
the sync pulse amplitude is below 300 mV, the I
2
C-bus bit ‘Slevel’ has to be set to
logic 1 (see
Figure 5
). The maximum amplitude for the sync pulse is 600 mV.
The composite sync is available at pin SOG
O
(TTL level compatible signal).
V
CCO(PLL)
n.c.
DGND1
OE
126
127
128
129
PLL output supply voltage
not connected
digital ground 1
output enable; active LOW (when OE is HIGH, the outputs are
high-impedance)
power-down control input (IC is in Power-down mode when
this pin is HIGH)
clamp pulse input (clamp active HIGH)
horizontal synchronization pulse input
PLL clock output inverter control input (invert when HIGH)
external clock input
PLL coast control input
PLL reference clock input
digital supply voltage 1
not connected
PLL analog ground
PLL filter input
PLL filter input
PLL analog ground
PLL analog supply voltage
not connected
exposed die pad connection
PD
130
CLP
HSYNC
INV
CKEXT
COAST
CKREF
V
CCD1
n.c.
AGND
PLL
CP
CZ
AGND
PLL
V
CCA(PLL)
n.c.
GND
DP
131
132
133
134
135
136
137
138
139
140
141
142
143
144
Table 3:
Symbol
Pin description
…continued
Pin
Description
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TDA8757HL | Triple 8-bit ADC 170 Msps |
| TDA8780M | True logarithmic amplifier |
| TDA8798HL | Dual 8-bit, 100 Msps A/D converter with DPGA |
| TDA8842-N2 | I2C-bus controlled PAL/NTSC/SECAM TV processors |
| TDA8840-N2 | I2C-bus controlled PAL/NTSC/SECAM TV processors |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)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(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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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