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參數(shù)資料
| 型號： | ADS5421R |
| 英文描述： | 14-Bit, 40MHz Sampling ANALOG-TO-DIGITAL CONVERTER |
| 中文描述： | 14位，40MHz的采樣模擬數(shù)字轉換器 |
| 文件頁數(shù)： | 1/21頁 |
| 文件大?。?/td> | 395K |
| 代理商： | ADS5421R |
14-Bit, 40MHz Sampling
ANALOG-TO-DIGITAL CONVERTER
FEATURES
G
HIGH DYNAMIC RANGE:
High SFDR: 83dB at 10MHz f
IN
High SNR: 75dB at 10MHz f
IN
G
PREMIUM TRACK-AND-HOLD:
Differential Inputs
Selectable Full-Scale Input Range
G
LOW POWER: 850mW
G
FLEXIBLE CLOCKING:
Differential or Single-Ended
Accepts Sine or Square Wave Clocking Down to
0.5Vp-p
Variable Threshold Level
DESCRIPTION
The ADS5421 is a high-dynamic range 14-bit, 40MHz,
pipelined Analog-to-Digital Converter (ADC). It includes a
high-bandwidth linear track-and-hold amplifier that gives
excellent spurious performance up to and beyond the Nyquist
rate. The clock input can accept a low-level differential sine
wave or square wave signal down to 0.5Vp-p, further improving
the Signal-to-Noise Ratio (SNR) performance.
The ADS5421 has a 4Vp-p differential input range
(2Vp-p 2 inputs) for optimum Spurious-Free Dynamic
Range (SFDR). The differential operation gives the lowest
even-order harmonic components. A lower input voltage can
also be selected using the internal references, further
optimizing SFDR.
The ADS5421 is available in a small LQFP-64 package.
APPLICATIONS
G
COMMUNICATIONS RECEIVERS
G
TEST INSTRUMENTATION
G
PROFESSIONAL CCD IMAGING
ADS5421
SBAS237D – DECEMBER 2001 – REVISED JULY 2004
www.ti.com
Copyright 2001-2004 Texas Instruments, Incorporated
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
ADS5421
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
14-Bit
Pipelined
ADC
Core
Reference and
Mode Select
Reference Ladder
and Driver
Timing Circuitry
Error
Correction
Logic
3-State
Outputs
T&H
D0
D13
+V
S
ADS5421
CLK
DV
CLK
OE
SEL2
REFB
V
REF
REFT
VDRV
IN
1Vp-p
1Vp-p
CM
(+2.5V)
SEL1
IN
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| ADS5421Y | 14-Bit, 40MHz Sampling ANALOG-TO-DIGITAL CONVERTER |
| ADS5421K5 | 14-Bit, 62MSPS Sampling ANALOG-TO-DIGITAL CONVERTER |
| ADS7804U | 12-Bit 10ms Sampling CMOS ANALOG-to-DIGITAL CONVERTER |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ADS5421T | 制造商:BB 制造商全稱:BB 功能描述:14-Bit, 40MHz Sampling ANALOG-TO-DIGITAL CONVERTER |
| ADS5421Y | 制造商:BB 制造商全稱:BB 功能描述:14-Bit, 40MHz Sampling ANALOG-TO-DIGITAL CONVERTER |
| ADS5421Y/R | 功能描述:模數(shù)轉換器 - ADC 14 Bit 40MSPS Sampling ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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 |
| ADS5421Y/RG4 | 功能描述:模數(shù)轉換器 - ADC 14 Bit 40MSPS Sampling ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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 |
| ADS5421Y/T | 功能描述:模數(shù)轉換器 - ADC 14 Bit 40MSPS Sampling ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率: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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