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參數(shù)資料
| 型號： | ADS7861EB |
| 英文描述： | CMOS 4-Bit-by-16-Word FIFO Register 16-PDIP -55 to 125 |
| 中文描述： | 雙通道，為500kHz，12位，2通道，同步采樣模擬數(shù)字轉(zhuǎn)換器 |
| 文件頁數(shù)： | 1/15頁 |
| 文件大?。?/td> | 226K |
| 代理商： | ADS7861EB |
Dual, 500kHz, 12-Bit, 2 + 2 Channel,
Simultaneous Sampling
ANALOG-TO-DIGITAL CONVERTER
FEATURES
G
4 INPUT CHANNELS
G
FULLY DIFFERENTIAL INPUTS
G
2
μ
s TOTAL THROUGHPUT PER CHANNEL
G
GUARANTEED NO MISSING CODES
G
1MHz EFFECTIVE SAMPLING RATE
G
LOW POWER: 40mW
G
SSI SERIAL INTERFACE
APPLICATIONS
G
MOTOR CONTROL
G
MULTI-AXIS POSITIONING SYSTEMS
G
3-PHASE POWER CONTROL
DESCRIPTION
The ADS7861 is a dual, 12-bit, 500kHz, analog-to-
digital converter with 4 fully differential input channels
grouped into two pairs for high speed, simultaneous
signal acquisition. Inputs to the sample-and-hold ampli-
fiers are fully differential and are maintained differen-
tial 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 ADS7861 offers a high speed, dual serial interface
and control inputs to minimize software overhead. The
output data for each channel is available as a 12-bit
word. The ADS7861 is offered in a 24-lead SSOP
package and is fully specified over the –40
°
C to +85
°
C
operating range.
ADS7861
1998 Burr-Brown Corporation
PDS-1508A
Printed in U.S.A. December, 1998
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 Internet: http://www.burr-brown.com/ Cable: BBRCORP Telex: 066-6491 FAX: (520) 889-1510 Immediate Product Info: (800) 548-6132
ADS7861
SAR
Serial
Interface
COMP
CLOCK
A0
M1
M0
CONVST
CS
RD
BUSY
SERIAL DATA B
SERIAL DATA A
CDAC
Internal
2.5V
Reference
SHA
CH A0–
CH A0+
REF
IN
CH A1–
CH A1+
SAR
COMP
CDAC
SHA
CH B0–
CH B0+
CH B1–
CH B1+
REF
OUT
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADS7861EB | 制造商:Texas Instruments 功能描述:Analog/Digital Converter IC Number of Bi |
| ADS7861EB/2K5 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Dual 500kHz 2+2 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 |
| ADS7861EB/2K5G4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Dual 500kHz 2+2 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 |
| ADS7861EBG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Dual 500kHz 2+2 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 |
| ADS7861EG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Dual 500kHz 2+2 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 |
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