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參數(shù)資料
| 型號： | ISL267450AIHZ-T |
| 廠商： | Intersil |
| 文件頁數(shù)： | 1/18頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 12BIT SPI/SRL 8-SOT-23 |
| 標準包裝： | 3,000 |
| 位數(shù)： | 12 |
| 采樣率（每秒）： | 1M |
| 數(shù)據(jù)接口： | 串行，SPI? |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 8.5mW |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | SOT-23-8 |
| 供應(yīng)商設(shè)備封裝： | SOT-23-8 |
| 包裝： | 帶卷 (TR) |
| 輸入數(shù)目和類型： | 1 個差分，單極 |
1
10-Bit and 12-Bit, 1MSPS SAR ADCs
ISL267440, ISL267450A
The ISL267440 and ISL267450A are 10-bit and 12-bit, 1MSPS
sampling SAR-type ADCs featuring excellent linearity over supply
and temperature variations. These devices are drop-in
compatible with the AD7440 and AD7450A. The robust,
fully-differential input offers high impedance to minimize errors
due to leakage currents, and the specified measurement
accuracy is maintained with input signals up to the supply rails.
The reference accepts inputs from 0.1V to 2.2V for 3V operation
and 0.1V to 3.5V for 5V operation. This provides design flexibility
in a wide variety of applications. The ISL267440, ISL267450A
also feature up to 8kV Human Body Model ESD survivability.
The serial digital interface is SPI compatible and is easily
interfaced to popular FPGAs and microcontrollers. Power
dissipation is 8.5mW at a sampling rate of 1MSPS, and just 5W
between conversions utilizing Auto Power-Down mode (with a 5V
supply). The ISL267440, ISL267450A are excellent solutions for
remote industrial sensors and battery-powered instruments.
The ISL267440, ISL267450A are available in an 8 lead MSOP
package, and are specified for operation over the Industrial
temperature range (–40°C to +85°C).
Features
Drop-in Compatible with AD7440, AD7450A
Differential Input
Simple SPI-compatible Serial Digital Interface
Guaranteed No Missing Codes
1MHz Sampling Rate
3V or 5V Operation
Low Operating Current
- 1.25mA at 1MSPS with 3V Supplies
- 1.70mA at 1MSPS with 5V Supplies
Power-down Current between Conversions: 1A
Excellent Differential Non-Linearity
Low THD: -83dB (typ)
Pb-Free (RoHS Compliant)
Available in MSOP Package
Applications
Remote Data Acquisition
Battery Operated Systems
Industrial Process Control
Energy Measurement
Data Acquisition Systems
Pressure Sensors
Flow Controllers
FIGURE 1. BLOCK DIAGRAM
FIGURE 2. DIFFERENTIAL LINEARITY ERROR vs CODE
SERIAL
INTERFACE
VDD
VREF
GND
VIN+
VIN
–
SCLK
SDATA
CS
DA
C
D
A
C
SAR
LOGIC
VREF
-1.0
-0.8
-0.6
-0.4
-0.2
0.0
0.2
0.4
0.6
0.8
1.0
0
1024
2048
3072
4096
CODE
DNL
(LSB)
June 28, 2012
FN7708.2
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
| Copyright Intersil Americas Inc. 2011, 2012. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.
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| ISL267450AIHZ-T7A | 功能描述:IC ADC 12BIT SPI/SRL 1M 8SOT-23 RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- 位數(shù):10 采樣率（每秒）:357k 數(shù)據(jù)接口:DSP，MICROWIRE?，QSPI?，串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:830µW 電壓電源:單電源 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:10-TDFN-EP（3x3） 包裝:剪切帶 (CT) 輸入數(shù)目和類型:2 個單端，單極；2 個單端，雙極；1 個差分，單極；1 個差分，雙極 產(chǎn)品目錄頁面:1396 (CN2011-ZH PDF) 其它名稱:MAX1395ETB+TCT |
| ISL267450AIUZ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12 BIT 1MSPS SAR ADC 8LD 3 X 3 PROPRIETRY 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ISL267450AIUZ-T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12 BIT 1MSPS SAR ADC 8LD 3 X 3 PROPRIETRY 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ISL267450AIUZ-T7A | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12 BIT 1MSPS SAR ADC 8LD 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| ISL267450IBZ | 制造商:Intersil Corporation 功能描述:12 BIT 1MSPS SAR ADC, 8 LD SOIC - Rail/Tube 制造商:Intersil Corporation 功能描述:IC ADC 12BIT SPI/SRL 1MSPS 8SOIC 制造商:Intersil 功能描述:12 Bit 1MSPS SAR ADC , 8 LD SOIC |
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