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參數(shù)資料
| 型號(hào)： | ALD500RA-20QE |
| 廠商： | Advanced Linear Devices, Inc. |
| 英文描述： | PRECISION INTEGRATING ANALOG PROCESSOR WITH PRECISION VOLTAGE REFERENCE |
| 中文描述： | 精密集成了模擬處理器，高精度電壓基準(zhǔn) |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 93K |
| 代理商： | ALD500RA-20QE |
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 10
12
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
μ
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
A
DVANCED
L
INEAR
D
EVICES,
I
NC.
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
Accuracy/Tempco
Package Type
Operating
Temperature
Linearity
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+
IN
V+
REF
V-
REF
6
7
8
10
11
V-
C
AZ
B
UF
C
INT
AGND
C-
REF
N/C
C+
REF
9
V-
IN
C
OUT
DGND
QE, PE, SE PACKAGE
ALD500R
17
20
19
18
C
S
I
B
N/C
* N/C pin is connected internally. Connect to V-.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| ALD500RA-20SE | PRECISION INTEGRATING ANALOG PROCESSOR WITH PRECISION VOLTAGE REFERENCE |
| ALD500RA-20SEI | PRECISION INTEGRATING ANALOG PROCESSOR WITH PRECISION VOLTAGE REFERENCE |
| ALD500RAU-20SEI | PRECISION INTEGRATING ANALOG PROCESSOR WITH PRECISION VOLTAGE REFERENCE |
| ALD500RAU-20SE | PRECISION INTEGRATING ANALOG PROCESSOR WITH PRECISION VOLTAGE REFERENCE |
| ALD500RAU-20QE | PRECISION INTEGRATING ANALOG PROCESSOR WITH PRECISION VOLTAGE REFERENCE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ALD500RA-20QEI | 制造商:ALD 制造商全稱:Advanced Linear Devices 功能描述:PRECISION INTEGRATING ANALOG PROCESSOR WITH PRECISION VOLTAGE REFERENCE |
| ALD500RA-20QEL | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 17 Bit A/D w20ppm VR 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 |
| ALD500RA-20SE | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 17 Bit A/D w/20ppm Voltage Regulator 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 |
| ALD500RA-20SEI | 制造商:ALD 制造商全稱:Advanced Linear Devices 功能描述:PRECISION INTEGRATING ANALOG PROCESSOR WITH PRECISION VOLTAGE REFERENCE |
| ALD500RA-20SEIL | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 17 Bit A/D w/20ppm Voltage Regulator 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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