參數(shù)資料
型號(hào)： ALD500AUPC
廠商： Advanced Linear Devices, Inc.
英文描述： PRECISION INTEGRATING ANALOG PROCESSOR
中文描述： 精密集成了模擬處理器
文件頁數(shù)： 8/11頁
文件大?。?/td> 88K
代理商： ALD500AUPC
6
Advanced Linear Devices
ALD500AU/ALD500A/ALD500
1CINT
Integrator capacitor connection.
2V-
Negative power supply.
3CAZ
The Auto-zero capacitor connection.
4
BUF
The Integrator resistor buffer connection.
5
AGND
This pin is analog ground.
6C-REF
Negative reference capacitor connection.
7C+REF
Positive reference capacitor connection.
8V-REF
External voltage reference (-) connection.
9V+REF
External voltage reference (+) connection.
10
V-IN
Negative analog input.
11
V+IN
Positive analog input.
12
A
Converter phase control MSB Input.
13
B
Converter phase control LSB Input.
14
COUT
Comparator output. COUT is HIGH during the Integration phase when a positive input voltage is being integrated and
is LOW when a negative input voltage is being integrated. A HIGH-to-LOW transition on COUT signals the processor
that the Deintegrate phase is completed. COUT is undefined during the Auto-Zero phase. It should be monitored to
time the Integrator Zero phase.
15
DGND
Digital ground.
16
V+
Positive power supply.
PIN DESCRIPTION
Pin No.
Symbol
Description
Switch Functions
Input
Reference Input
Auto Zero
Reference
VIN=AGND
System
Connect
Polarity
Sample
Offset
Conversion
Control
Phase
Logic
SWIN
SW+R or SW-R
SWAZ
SWR
SWG
SWS
Auto Zero
A = 0, B = 1
Open
Closed
Open
Input Signal
A = 1, B = 0
Closed
Open
Integration
Reference Voltage
A = 1, B = 1
Open
Closed*
Open
Closed
Open
Deintegration
Integrator
A = 0, B = 0
Open
Closed
Output Zero
*SW+R would be closed for a positive input signal. SW-R would be closed for a negative input signal.
Table 1. Conversion Phase and Control Logic Internal Analog Switch Functions
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ALD500AUSC 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18 Bit A/D Processor 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
ALD500AUSCL 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18 Bit A/D Processor 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
ALD500AUSWC 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18 Bit A/D Processor 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
ALD500AUSWCL 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 18 Bit A/D Processor 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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