參數(shù)資料
型號(hào): ADS7864YB
英文描述: 500kHz, 12-Bit, 6-Channel Simultaneous Sampling ANALOG-TO-DIGITAL CONVERTER
中文描述: 為500kHz,12位,6通道同步采樣模擬到數(shù)字轉(zhuǎn)換器
文件頁(yè)數(shù): 1/16頁(yè)
文件大?。?/td> 183K
代理商: ADS7864YB
500kHz, 12-Bit, 6-Channel
Simultaneous Sampling
ANALOG-TO-DIGITAL CONVERTER
FEATURES
G
6 SIMULTANEOUS SAMPLING CHANNELS
G
FULLY DIFFERENTIAL INPUTS
G
2
μ
s TOTAL THROUGHPUT PER CHANNEL
G
GUARANTEED NO MISSING CODES
G
PARALLEL INTERFACE
G
1MHz EFFECTIVE SAMPLING RATE
G
LOW POWER: 50mW
G
6X FIFO
APPLICATIONS
G
MOTOR CONTROL
G
MULTI-AXIS POSITIONING SYSTEMS
G
3-PHASE POWER CONTROL
DESCRIPTION
The ADS7864 is a dual 12-bit, 500kHz Analog-to-
Digital (A/D) converter with 6 fully differential input
channels grouped into three pairs for high speed simul-
taneous signal acquisition. Inputs to the sample-and-
hold amplifiers are fully differential and are main-
tained differential to the input of the A/D converter.
This provides excellent common-mode rejection of
80dB at 50kHz which is important in high noise
environments.
The ADS7864 offers a parallel interface and control
inputs to minimize software overhead. The output data
for each channel is available as a 16-bit word (address
and data). The ADS7864 is offered in a TQFP-48
package and is fully specified over the –40
°
C to +85
°
C
operating range.
ADS7864
Copyright 2000, Texas Instruments Incorporated
PDS-1581A
Printed in U.S.A. September, 2000
SAR
Interface
Conversion
and
Control
FIFO
Registers
COMP
CS
CLOCK
BYTE
A0
Channel/
Data Output
16
RESET
BUSY
RD
A1
A2
CDAC
Internal
2.5V
Reference
CH A0–
CH A0+
CH B0–
CH B0+
HOLDA
HOLDB
HOLDC
REF
IN
CH C1–
CH C1+
SAR
COMP
CDAC
MUX
MUX
CH A1–
CH A1+
CH B1–
CH B1+
S/H
S/H
S/H
S/H
S/H
S/H
CH C1–
CH C1+
REF
OUT
International Airport Industrial Park Mailing Address: PO Box 11400, Tucson, AZ 85734 Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 Tel: (520) 746-1111
Twx: 910-952-1111 Cable: BBRCORP Telex: 066-6491 FAX: (520) 889-1510 Immediate Product Info: (800) 548-6132
http://www.burr-brown.com/ http://www.ti.com/
ADS7864
SBAS141
相關(guān)PDF資料
PDF描述
ADS7864 500kHz, 12-Bit, 6-Channel Simultaneous Sampling 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
ADS7864YB/250 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 500kHz 12-Bit 6-Ch Simltns Smplng ADC 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
ADS7864YB/250G4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 500kHz 12-Bit 6-Ch Simltns Smplng ADC 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
ADS7864YB/2K 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 500kHz 12-Bit 6-Ch Simltns Smplng ADC 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
ADS7864YB/2KG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 500kHz 12-Bit 6-Ch Simltns Smplng ADC 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
ADS7865 制造商:TI 制造商全稱:Texas Instruments 功能描述:Dual, 12-Bit, 3+3 or 2+2 Channel, Simultaneous Sampling Analog-to-Digital Converter