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參數(shù)資料
| 型號(hào)： | TDA8785 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 8-bit high-speed analog-to-digital converter with gain and offset controls |
| 中文描述： | 8位高速模增益和偏移數(shù)字轉(zhuǎn)換器控制 |
| 文件頁(yè)數(shù)： | 2/24頁(yè) |
| 文件大小： | 169K |
| 代理商： | TDA8785 |
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1997 Dec 18
2
Philips Semiconductors
Product specification
8-bit high-speed analog-to-digital converter
with gain and offset controls
TDA8785
FEATURES
8-bit analog-to-digital converter (ADC)
8-bit digital-to-analog converter (DAC)
Sampling rate up to 30 Msps for both ADC and DAC
Binary or two’s complement 3-state TTL outputs
TTL compatible inputs and outputs
100 MHz variable gain amplifier (0 to 20 dB) externally
controlled
All analog inputs and outputs are differential (can also
be used in single-ended format)
Analog input signal from 0.1 to 1.0 V (p-p) differential
Offset amplifier with:
– Slow offset control (
±
250 mV)
– Fast offset control (
±
500 mV) eventually driven by
internal DAC.
ADC output code of 8 (typ.) when analog input signal
and offset correction inputs are 0 V
Gain, slow offset control inputs and DAC output swing
of 1.5 V (p-p) range (2.75
±
0.75 V)
2.75 V reference voltage
Internal references for ADC and DAC.
APPLICATIONS
CCD type of systems
Scanner
Copier
Video acquisition.
GENERAL DESCRIPTION
The TDA8785 is an 8-bit analog-to-digital converter with
gain and offset controls for the input signal. An internal
8-bit DAC provides fast offsets control.
QUICK REFERENCE DATA
ORDERING INFORMATION
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
V
CCA1
V
CCA2
V
CCD
V
CCO
I
CCA
I
CCD
I
CCO
INL
DNL
f
clk(max)
B
analog supply voltage 1
analog supply voltage 2
digital supply voltage
TTL output supply voltage
analog supply current
digital supply current
TTL output supply current
integral non-linearity
differential non-linearity
maximum clock frequency
controlled gain amplifier
bandwidth
total power dissipation
4.75
4.75
4.75
4.75
30
5.0
5.0
5.0
5.0
80
30
9
±
0.7
±
0.2
100
5.25
5.25
5.25
5.25
±
1.8
±
0.7
V
V
V
V
mA
mA
mA
LSB
LSB
MHz
MHz
0 to 20 dB gain; ramp input
0 to 20 dB gain; ramp input
ADC and DAC
P
tot
600
mW
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TDA8785H
QFP44
plastic quad flat package; 44 leads (lead length 1.3 mm); body 10
×
10
×
1.75 mm SOT307-2
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PDF描述 |
|---|---|
| TDA8785H | 8-bit high-speed analog-to-digital converter with gain and offset controls |
| TDA8787A | 10-bit, 3.0 V, up to 25 Msps analog-to-digital interface for CCD cameras |
| TDA8787 | 10-bit, 3.0 V analog-to-digital interface for CCD cameras |
| TDA8790 | 8-bit, 40 Msps 2.7 to 5.5 V universal analog-to-digital converter |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA8785H | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit high-speed analog-to-digital converter with gain and offset controls |
| TDA8786 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:10-bit analog-to-digital interface for CCD cameras |
| TDA8786A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:10-bit analog-to-digital interface for CCD cameras |
| TDA8786AG | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:10-bit analog-to-digital interface for CCD cameras |
| TDA8786G | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:10-bit analog-to-digital interface for CCD cameras |
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