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参数资料
| 型号： | ADS7808U |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | ADC |
| 英文描述： | 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 |
| 封装： | 0.300 INCH, GREEN, PLASTIC, SOIC-20 |
| 文件页数： | 1/17页 |
| 文件大小： | 468K |
| 代理商： | ADS7808U |
12-Bit 10
s Serial CMOS Sampling
ANALOG-to-DIGITAL CONVERTER
FEATURES
q 100kHz SAMPLING RATE
q 72dB SINAD WITH 45kHz INPUT
q
±1/2 LSB INL AND DNL
q SIX SPECIFIED INPUT RANGES
q SERIAL OUTPUT
q SINGLE +5V SUPPLY OPERATION
q PIN-COMPATIBLE WITH 16-BIT ADS7809
q USES INTERNAL OR EXTERNAL
REFERENCE
q 100mW MAX POWER DISSIPATION
q 0.3" SO-20
q SIMPLE DSP INTERFACE
DESCRIPTION
The ADS7808 is a complete 12-bit sampling analog-to-digital
using state-of-the-art CMOS structures. It contains a 12-bit
capacitor-based SAR A/D with S/H, reference, clock, and a
serial data interface. Data can be output using the internal
clock, or can be synchronized to an external data clock. The
ADS7808 also provides an output synchronization pulse for
ease of use with standard DSP processors.
The ADS7808 is specified at a 100kHz sampling rate, and
specified over the full temperature range. Laser-trimmed
scaling resistors provide various input ranges including
±10V
and 0V to 5V, while an innovative design operates from a
single +5V supply, with power dissipation under 100mW.
The ADS7808 is available in a 0.3" SO-20, fully specified for
operation over the industrial –40
°C to +85°C range.
10k
CDAC
4k
20k
5k
Internal
+2.5V Ref
Clock
BUSY
Data Clock
Serial Data
Successive Approximation Register and Control Logic
Serial
Data
Out
Comparator
Buffer
20k
R/C
CS
R1
IN
R2
IN
R3
IN
REF
Power Down
CAP
ADS7808
SBAS018A – JANUARY 1992 – REVISED SEPTEMBER 2003
www.ti.com
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.
Copyright 1992-2003, 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.
All trademarks are the property of their respective owners.
ADS
7808
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| ADSP-2189NBSTZ-320 | 16-Bit, 80MIPS, 1.8V, 2 Serial Ports, Host Port, 192KB RAM; Package: 100 ld LQFP; No of Pins: 100; Temperature Range: Ind |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ADS7808U | 制造商:Texas Instruments 功能描述:IC 12BIT ADC 100KHZ SOIC20 制造商:Texas Instruments 功能描述:IC, 12BIT ADC, 100KHZ, SOIC20 制造商:Texas Instruments 功能描述:IC, 12BIT ADC, 100KHZ, SOIC20; Resolution (Bits):12bit; Sampling Rate:100kSPS; Supply Voltage Type:Single; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; Supply Current:16mA; Digital IC Case Style:SOIC; No. of Pins:20; Input ;RoHS Compliant: Yes |
| ADS7808U/1K | 功能描述:模数转换器 - ADC 12-Bit 10us Serial CMOS Sampling RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| ADS7808U/1KE4 | 功能描述:模数转换器 - ADC 12-Bit 10us Serial CMOS Sampling RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| ADS7808U/1KG4 | 制造商:Texas Instruments 功能描述: |
| ADS7808UB | 功能描述:模数转换器 - ADC 12-Bit 10us Serial CMOS Sampling RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
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