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參數(shù)資料
| 型號： | TDA8705T-T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | ADC |
| 英文描述： | DUAL 2-CH 6-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PDSO28 |
| 文件頁數(shù)： | 9/16頁 |
| 文件大?。?/td> | 93K |
| 代理商： | TDA8705T-T |
1996 Jan 12
2
Philips Semiconductors
Product specication
6-bit high-speed dual Analog-to-Digital
Converter (ADC)
TDA8705
FEATURES
2 times 6-bit resolution
Sampling rate up to 40 MHz
High signal-to-noise ratio over a large analog input
frequency range (5.8 effective bits at 10 MHz full-scale
input at fclk = 40 MHz
TTL output
Two separated inputs (AC-coupling)
TTL compatible digital inputs
Low-level AC clock input signal allowed
Internal reference voltage regulator
(external reference regulation possible)
Power dissipation only 250 mW (typical)
Low analog input capacitance, no buffer amplifier
required
No sample-and-hold circuit required.
APPLICATIONS
High-speed analog-to-digital conversion for:
DBS (Digital Broadcast Satellite)
QPSK (Quadrature Phase Shift Keying) demodulation
Video.
GENERAL DESCRIPTION
The TDA8705 is a 6-bit high-speed dual analog-to-digital
converter (ADC) for satellite video and other applications.
It converts the two analog input signals into two 6-bit
binary-coded digital words at a maximum sampling rate of
40 MHz. All digital inputs and outputs are TTL compatible,
although a low-level sine wave clock input signal is
allowed.
QUICK REFERENCE DATA
Note
1. Full-scale sine wave (fi = 10 MHz; fclk = 40 MHz).
ORDERING INFORMATION
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
VCCA
analog supply voltage
4.75
5.0
5.25
V
VCCD
digital supply voltage
4.75
5.0
5.25
V
VCCO
output stages supply voltage
4.75
5.0
5.25
V
ICCA
analog supply current
20
27
32
mA
ICCD
digital supply current
10
14
18
mA
ICCO
output stages supply current
10
14
18
mA
ILE
DC integral linear error
±0.25
±0.5
LSB
DLE
DC differential linearity error
±0.25
±0.5
LSB
AILE
AC integral linearity error
note 1
±0.5
±1.0
LSB
fclk(max)
maximum clock frequency
40
MHz
Ptot
total power dissipation
250
mW
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TDA8705T
SO28
plastic small outline package; 28 leads; body width 7.5 mm
SOT136-1
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| TDA8706AM/C3,112 | 功能描述:視頻模擬/數(shù)字化轉(zhuǎn)換器集成電路 ADC Single 40MSPS 6-Bit Parallel 24Pin RoHS:否 制造商:Texas Instruments 輸入信號類型:Differential 轉(zhuǎn)換器數(shù)量:1 ADC 輸入端數(shù)量:4 轉(zhuǎn)換速率:3 Gbps 分辨率:8 bit 結(jié)構(gòu): 輸入電壓:3.3 V 接口類型:SPI 信噪比: 電壓參考: 電源電壓-最大:3.45 V 電源電壓-最小:3.15 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TCSP-48 封裝:Reel |
| TDA8706AM/C3,118 | 功能描述:視頻模擬/數(shù)字化轉(zhuǎn)換器集成電路 ADC Single 40MSPS 6-Bit Parallel RoHS:否 制造商:Texas Instruments 輸入信號類型:Differential 轉(zhuǎn)換器數(shù)量:1 ADC 輸入端數(shù)量:4 轉(zhuǎn)換速率:3 Gbps 分辨率:8 bit 結(jié)構(gòu): 輸入電壓:3.3 V 接口類型:SPI 信噪比: 電壓參考: 電源電壓-最大:3.45 V 電源電壓-最小:3.15 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TCSP-48 封裝:Reel |
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