参数资料
型号: ALD500RA-10SEL
厂商: Advanced Linear Devices Inc
文件页数: 1/12页
文件大小: 0K
描述: IC ADC 17BIT 20SOIC
标准包装: 36
位数: 17
转换器数目: 1
功率耗散(最大): 10mW
电压电源: 双 ±
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 20-SOIC
供应商设备封装: 20-SOIC
包装: 管件
输入数目和类型: *
APPLICATIONS
4 1/2 digits to 5 1/2 digits plus sign measurements
Precision analog signal processor
Precision sensor interface
High accuracy DC measurement functions
Portable battery operated instruments
Computer peripheral
PCMCIA
FEATURES
Resolution up to 18 bits plus sign bit and over-range bit
Accuracy independent of input source impedances
Accurate on-chip voltage reference
Tempco as low as 10 ppm/
°C guaranteed
Chip select - power down mode
High input impedance of 1012
Inherently filters and integrates any external noise spikes
Differential analog input
Wide bipolar analog input voltage range
±3.5V
Automatic zero offset compensation
Low linearity error - as low as 0.001% typical
Fast zero-crossing comparator - 1
s
Low power dissipation - 6mW typical
Automatic internal polarity detection
Low input current - 2pA typical
Optional digital control from a microcontroller, an ASIC, or
a dedicated digital circuit
Flexible conversion speed vs. resolution trade-off
ALD500RAU/ALD500RA/ALD500R
ADVANCED
LINEAR
DEVICES, INC.
PRECISION INTEGRATING ANALOG PROCESSOR
WITH PRECISION VOLTAGE REFERENCE
Rev. 1.01 1999 Advanced Linear Devices, Inc., 415 Tasman Drive, Sunnyvale, California 94089-1706 Tel: (408) 747-1155, Fax: (408) 747-1286
http://www.aldinc.com
* Contact factory for customized voltage reference voltage levels, accuracy and tempco specifications.
PIN CONFIGURATION
Resolution Endpoint
Voltage Reference
Package Type
Operating
Linearity
Accuracy/Tempco
Temperature
20L PDIP
20L SOIC
20L QSOP
20LCDIP
16 bit
0.015%
0.5% 50ppm/C
ALD500R-50PE
ALD500R-50SE
ALD500R-50QE
0
°C to 70°C
17 bit
0.01%
0.3% 20ppm/C
ALD500RA-20PE
ALD500RA-20SE
ALD500RA-20QE
0
°C to 70°C
18 bit
0.005%
ALD500RAU-20PE
ALD500RAU-20SE
ALD500RAU-20QE
17 bit
0.01%
0.2% 10ppm/C
ALD500RA-10PE
ALD500RA-10SE
ALD500RA-10QE
0
°C to 70°C
18 bit
0.005%
ALD500RAU-10PE
ALD500RAU-10SE
ALD500RAU-10QE
17 bit
0.01%
0.3% 20ppm/C
ALD500RA-20PEI
ALD500RA-20SEI
ALD500RA-20QEI
-40
°C to +85°C
18 bit
0.005%
ALD500RAU-20PEI
ALD500RAU-20SEI
ALD500RAU-20QEI
18 bit
0.005%
0.3% 20ppm/C
ALD500RAU-20DE
-55
°C to +125°C
Ordering Information
BENEFITS
Low cost, simple functionality
Wide dynamic signal range
Very high noise immunity
Automatic compensation and cancellation
of error sources
Easy to use to acquire bipolar signals
Up to 19 bit (18 bit + sign bit) single conversion
or 21 bit (20 bit + sign bit) multiple conversion
and noise performance
Inherently linear and stable with temperature
and component variations
V+
1
2
3
14
15
16
4
13
B
5
12
A
V+REF
6
7
8
10
11
V-
CAZ
CINT
BUF
AGND
N/C
C+REF
9
V-IN
V+IN
COUT
DGND
QE, PE, SE PACKAGE
C-REF
ALD500R
17
20
19
18
V-REF
CS
IB
N/C
* N/C pin is connected internally. Connect to V-.
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ALD500RA-20PE 制造商:ALD 制造商全称:Advanced Linear Devices 功能描述:PRECISION INTEGRATING ANALOG PROCESSOR WITH PRECISION VOLTAGE REFERENCE
ALD500RA-20PEI 制造商:ALD 制造商全称:Advanced Linear Devices 功能描述:PRECISION INTEGRATING ANALOG PROCESSOR WITH PRECISION VOLTAGE REFERENCE
ALD500RA-20PEIL 功能描述:模数转换器 - ADC 17 Bt A/D w20 ppm VR 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
ALD500RA-20PEL 功能描述:模数转换器 - ADC 17 Bt A/D w20 ppm VR 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
ALD500RA-20QE 制造商:ALD 制造商全称:Advanced Linear Devices 功能描述:PRECISION INTEGRATING ANALOG PROCESSOR WITH PRECISION VOLTAGE REFERENCE