參數(shù)資料
型號(hào)： TDA8787
廠商： NXP Semiconductors N.V.
英文描述： 10-bit, 3.0 V analog-to-digital interface for CCD cameras
中文描述： 10位，3.0 V模擬到數(shù)字的CCD相機(jī)接口
文件頁(yè)數(shù)： 2/20頁(yè)
文件大小： 114K
代理商： TDA8787
1998 Oct 15
2
Philips Semiconductors
Preliminary specification
10-bit, 3.0 V analog-to-digital interface for
CCD cameras
TDA8787
FEATURES
Correlated Double Sampling (CDS), Automatic Gain
Control (AGC), 10-bit Analog-to-Digital Converter (ADC)
and reference regulator included
Fully programmable via a 3-wire serial interface
Sampling frequency up to 18 MHz
AGC gain range of 36 dB (in steps of 0.1 dB)
Low power consumption of only 190 mW (typ.)
Power consumption in standby mode of 4.5 mW (typ.)
3.0 V operation and 2.5 to 3.6 V operation for the digital
outputs
Active control pulses polarity selectable via serial
interface
8-bit DAC included for analog settings
TTL compatible inputs, CMOS compatible outputs.
APPLICATIONS
Low-power, low-voltage CCD camera systems.
GENERAL DESCRIPTION
The TDA8787 is a 10-bit analog-to-digital interface for
CCD cameras. The device includes a correlated double
sampling circuit, AGC and a low-power 10-bit ADC
together with its reference voltage regulator.
AGC gain is controlled via the serial interface.
The ADC input clamp level is controlled via the serial
interface.
An additional DAC is provided for additional system
controls; its output voltage range is 1.0 V (p-p) which is
available at pin OFDOUT.
QUICK REFERENCE DATA
ORDERING INFORMATION
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
V
CCA
V
CCD
V
CCO
I
CCA
I
CCD
I
CCO
analog supply voltage
digital supply voltage
digital outputs supply voltage
analog supply current
digital supply current
digital outputs supply current
2.7
2.7
2.5
3.0
3.0
2.6
55
8
1
3.6
3.6
3.6
70
11
2
V
V
V
mA
mA
mA
all clamps active
f
pix
= 18 MHz; C
L
= 20 pF;
input ramp response time is 800
μ
s
ADC
res
V
i(CDS)(p-p)
ADC resolution
maximum CDS input voltage
(peak-to-peak value)
650
800
18
5
10
36
0.25
bits
mV
mV
MHz
MHz
dB
LSB
V
CC
= 2.85 V
V
CC
≥
3.0 V
f
pix(max)
f
pix(min)
DR
AGC
N
tot(rms)
maximum pixel rate
minimum pixel rate
AGC dynamic range
total noise from CDS input to
ADC output
total power consumption
AGC gain = 0 dB; see Fig.8
P
tot
V
CCA
= V
CCD
= V
CCO
= 3 V
190
mW
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TDA8787HL
LQFP48
plastic low profile quad flat package; 48 leads; body 7
×
7
×
1.4 mm
SOT313-2
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TDA8787A 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:10-bit, 3.0 V, up to 25 Msps analog-to-digital interface for CCD cameras
TDA8787AHL 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:10-bit, 3.0 V, up to 25 Msps analog-to-digital interface for CCD cameras
TDA8787AHL/C3,118 功能描述:電信線路管理 IC 10-BIT CCD 25MSPS RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray
TDA8787AHL/C3,151 功能描述:電信線路管理 IC ADC 10BIT 18MSPS RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray
TDA8787AHL/C3,157 功能描述:模數(shù)轉(zhuǎn)換器 - ADC AFE Video 1ADC 10Bit 2.6V/3V 48-Pin 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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