參數(shù)資料
型號(hào)： ADS7842
元件分類： 通用總線功能
英文描述： CMOS 8-Stage Presettable 2-Decade BCD Synchronous Down Counter 16-SO -55 to 125
中文描述： 12位，4通道并行輸出采樣模擬到數(shù)字轉(zhuǎn)換器
文件頁(yè)數(shù)： 1/13頁(yè)
文件大?。?/td> 139K
代理商： ADS7842
ADS7842
12-Bit, 4-Channel Parallel Output Sampling
ANALOG-TO-DIGITAL CONVERTER
FEATURES
G
SINGLE SUPPLY: 2.7V to 5V
G
4-CHANNEL INPUT MULTIPLEXER
G
UP TO 200kHz SAMPLING RATE
G
FULL 12-BIT PARALLEL INTERFACE
G
±
1 LSB INL AND DNL
G
GUARANTEED NO MISSING CODES
G
72dB SINAD
G
LOW POWER: 2mW
G
SSOP-28 PACKAGE
DESCRIPTION
The ADS7842 is a complete, 4-channel, 12-bit analog-
to-digital converter (ADC). It contains a 12-bit, ca-
pacitor-based, SAR A/D with a sample-and-hold am-
plifier, interface for microprocessor use and parallel,
three-state output drivers. The ADS7842 is specified
at a 200kHz sampling rate while dissipating only
2mW of power. The reference voltage can be varied
from 100mV to V
CC
with a corresponding LSB reso-
lution from 24
μ
V to 1.22mV. The ADS7842 is guar-
anteed down to 2.7V operation.
Low power, high speed and an on-board multiplexer
make the ADS7842 ideal for battery-operated sys-
tems such as portable, multi-channel dataloggers and
measurement equipment. The ADS7842 is available
in a SSOP-28 package and is guaranteed over the
–40
°
C to +85
°
C temperature range.
1998 Burr-Brown Corporation
PDS-1484B
Printed in U.S.A. March, 2000
APPLICATIONS
G
DATA ACQUISITION
G
TEST AND MEASUREMENT
G
INDUSTRIAL PROCESS CONTROL
G
MEDICAL INSTRUMENTS
G
LABORATORY EQUIPMENT
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
ADS7842
SAR
Output
Latches
and
Three
State
Drivers
Three
State
Parallel
Data Bus
Comparator
ADS7842
CS
WR
BUSY
CLK
RD
CDAC
V
REF
4-Channel
MUX
AIN2
AIN1
AIN0
A0
A1
AIN3
For most current data sheet and other product
information, visit www.burr-brown.com
相關(guān)PDF資料
PDF描述
ADS7842E 12-Bit, 4-Channel Parallel Output Sampling ANALOG-TO-DIGITAL CONVERTER
ADS7842EB CMOS 8-Stage Presettable 2-Decade BCD Synchronous Down Counter 16-TSSOP -55 to 125
ADS7843 CMOS 8-Stage Presettable 2-Decade BCD Synchronous Down Counter 16-TSSOP -55 to 125
ADS7843E CMOS 8-Stage Presettable 8-Bit Binary Synchronous Down Counter 16-PDIP -55 to 125
ADS7844 12-Bit, 8-Channel Serial Output Sampling ANALOG-TO-DIGITAL CONVERTER
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS7842E 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 4-Ch Parallel Output Sampling 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
ADS7842E/1K 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 4-Ch Parallel Output Sampling 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
ADS7842E/1KG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 4-Ch Parallel Output Sampling 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
ADS7842EB 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 4-Ch Parallel Output Sampling 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
ADS7842EB 制造商:Texas Instruments 功能描述:IC 12BIT ADC 200KHZ SSOP28 制造商:Texas Instruments 功能描述:IC, 12BIT ADC, 200KHZ, SSOP28 制造商:Texas Instruments 功能描述:IC, 12BIT ADC, 200KHZ, SSOP28; Resolution (Bits):12bit; Sampling Rate:200kSPS; Supply Voltage Type:Single; Supply Voltage Min:2.7V; Supply Voltage Max:5.25V; Supply Current:550A; Digital IC Case Style:SSOP; No. of Pins:28; Input ;RoHS Compliant: Yes
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