参数资料
| 型号： | ISL26132AVZ |
| 厂商： | Intersil |
| 文件页数： | 13/23页 |
| 文件大小： | 0K |
| 描述： | IC ADC 24BIT SRL 80SPS 24TSSOP |
| 标准包装： | 620 |
| 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： | 管件 |
| 输入数目和类型： | 2 个差分，双极 |
ISL26132, ISL26134
20
FN6954.1
September 9, 2011
PCB Board Layout and System
Configuration
The ISL26132,ISL26134 ADC is a very low noise converter. To
achieve the full performance available from the device will
require attention to the printed circuit layout of the circuit board.
Care should be taken to have a full ground plane without
impairments (traces running through it) directly under the chip
on the back side of the circuit board. The analog input signals
should be laid down adjacent (AIN+ and AIN- for each channel) to
achieve good differential signal practice and routed away from
any traces carrying active digital signals. The connections from
the CAP pins to the off-chip filter capacitor should be short, and
without any digital signals nearby. The crystal, if used should be
connected with relatively short leads. No active digital signals
should be routed near or under the crystal case or near the
traces, which connect it to the ADC. The AGND and DGND pins of
the ADC should be connected to a common solid ground plane.
All digital signals to the chip should be powered from the same
supply, as that used for DVDD (do not allow digital signals to be
active high unless the DVDD supply to the chip is alive). Route all
active digital signals in a way to keep distance from any analog
pin on the device (AIN, VREF, CAP, AVDD). Power on the AVDD
supply should be active before the VREF voltage is present.
PCB layout patterns for the chips (ISL26132 and ISL26134) are
found on the respective package outline drawings on pages 22,
and 23.
AVDD
VREF+
AIN+1
AIN-1
AIN+2
AIN-2
VREF-
AGND
DGND
TEMP
A0
SPEED
XTALOUT
PDWN
SCLK
SDO/RDY
GAIN0
GAIN1
DVDD
XTALIN/CLOCK
MICRO
CONTROLLER
16
11
12
14
13
15
17
2, 5, 6
7
8
21
3
4
22
23
24
19
20
+3V
+5V
0.1F
18
1
FIGURE 39. THERMOCOUPLE MEASUREMENT APPLICATION
4.9152
MHz
ISL21009
4.096V
10nF
1F
10k
0.1F
TYPE K
5M
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ISL26132AVZ-T | 功能描述:模数转换器 - ADC ISL26132AVZ 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 |
| ISL26132AVZ-T7A | 功能描述:模数转换器 - ADC ISL26132AVZ 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 |
| 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 |
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