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| 型号： | ISL26132AVZ-T7A |
| 厂商： | Intersil |
| 文件页数： | 1/23页 |
| 文件大小： | 0K |
| 描述： | IC ADC 24BIT SRL 80SPS 24TSSOP |
| 标准包装： | 1 |
| 位数： | 24 |
| 采样率（每秒）： | 80 |
| 数据接口： | 串行 |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 80mW |
| 电压电源： | 模拟和数字 |
| 工作温度： | -40°C ~ 105°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 24-TSSOP |
| 包装： | 标准包装 |
| 输入数目和类型： | 2 个差分，双极 |
| 其它名称： | ISL26132AVZ-T7ADKR |
1
Low-Noise 24-bit Delta Sigma ADC
ISL26132, ISL26134
The ISL26132 and ISL26134 are complete analog front ends
for high resolution measurement applications. These 24-bit
Delta-Sigma Analog-to-Digital Converters include a very
low-noise amplifier and are available as either two or four
differential multiplexer inputs. The devices offer the same
pinout as the ADS1232 and ADS1234 devices and are
functionally compatible with these devices. The ISL26132 and
ISL26134 offer improved noise performance at 10Sps and
80Sps conversion rates.
The on-chip low-noise programmable-gain amplifier provides
gains of 1x/2x/64x/128x. The 128x gain setting provides an
input range of ±9.766mVFS when using a 2.5V reference. The
high input impedance allows direct connection of sensors such
as load cell bridges to ensure the specified measurement
accuracy without additional circuitry. The inputs accept signals
100mV outside the supply rails when the device is set for unity
gain.
The Delta-Sigma ADC features a third order modulator
providing up to 21.6-bit noise-free performance.
The device can be operated from an external clock source,
crystal (4.9152MHz typical), or the on-chip oscillator.
The two channel ISL26132 is available in a 24 Ld TSSOP
package and the four channel ISL26134 is available in a 28 Ld
TSSOP package. Both are specified for operation over the
automotive temperature range (-40°C to +105°C).
Features
Up to 21.6 Noise-free bits.
Low Noise Amplifier with Gains of 1x/2x/64x/128x
RMS noise: 10.2nV @ 10Sps (PGA = 128x)
Linearity Error: 0.0002% FS
Simultaneous rejection of 50Hz and 60Hz (@ 10Sps)
Two (ISL26132) or four (ISL26134) channel differential
input multiplexer
On-chip temperature sensor (ISL26132)
Automatic clock source detection
Simple interface to read conversions
+5V Analog, +5 to +2.7V Digital Supplies
Pb-Free (RoHS Compliant)
TSSOP packages: ISL26132, 24 pin; ISL26134, 28 pin
Applications
Weigh Scales
Temperature Monitors and Controls
Industrial Process Control
Pressure Sensors
ADC
PGA
1x/2x/64x/
128x
INTERNAL
CLOCK
SDO/RDY
SCLK
DVDD
AVDD
DGND
AGND
XTALIN/CLOCK
VREF+
EXTERNAL
OSCILLATOR
XTALOUT
VREF-
A0
A1/TEMP
AIN1+
AIN1-
AIN2+
AIN2-
AIN3+
AIN3-
AIN4+
AIN4-
INPUT
MULTIPLEXER
ISL26134
Only
CAP
GAIN1
GAIN0
PWDN
SPEED
DGND
NOTE for A1/TEMP pin: Functions as A1 on ISL26134; Functions as TEMP on ISL26132
FIGURE 1. BLOCK DIAGRAM
September 9, 2011
FN6954.1
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. 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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相关代理商/技术参数 |
参数描述 |
|---|---|
| ISL26134 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Low-Noise 24-bit Delta Sigma ADC |
| ISL26134AV28EV1Z | 功能描述:数据转换 IC 开发工具 ISL26134 EVALRD 1 2 8LD ROHS CMPL RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V |
| ISL26134AVZ | 功能描述:模数转换器 - ADC ISL26134AVZ LW-NOISE 24-BIT TI-COMP D/S 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 |
| ISL26134AVZ-T | 功能描述:模数转换器 - ADC ISL26134AVZ LW-NOISE 24-BIT TI-COMP D/S 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 |
| ISL26134AVZ-T7A | 功能描述:模数转换器 - ADC ISL26134AVZ LW-NOISE 24BIT DELTASIGMA ADC 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 |
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