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CS5581 PDF预览

CS5581

更新时间: 2024-02-14 09:59:55
品牌 Logo 应用领域
凌云 - CIRRUS /
页数 文件大小 规格书
32页 568K
描述
【2.5 V / 5 V, 200 kSps, 16-bit, High-throughput ツヒ ADC

CS5581 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:SSOP
包装说明:SSOP,针数:24
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.82
Is Samacsys:N最大模拟输入电压:2.048 V
最小模拟输入电压:-2.048 V最长转换时间:5 µs
转换器类型:ADC, DELTA-SIGMAJESD-30 代码:R-PDSO-G24
JESD-609代码:e3长度:8.2 mm
湿度敏感等级:3标称负供电电压:-2.5 V
模拟输入通道数量:1位数:16
功能数量:1端子数量:24
最高工作温度:85 °C最低工作温度:-40 °C
输出位码:BINARY, OFFSET BINARY, 2'S COMPLEMENT BINARY输出格式:SERIAL
封装主体材料:PLASTIC/EPOXY封装代码:SSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
峰值回流温度(摄氏度):260认证状态:Not Qualified
采样速率:0.2 MHz座面最大高度:2.13 mm
标称供电电压:2.5 V表面贴装:YES
温度等级:INDUSTRIAL端子面层:MATTE TIN
端子形式:GULL WING端子节距:0.65 mm
端子位置:DUAL处于峰值回流温度下的最长时间:40
宽度:5.3 mmBase Number Matches:1

CS5581 数据手册

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8/21/07  
15:56  
CS5581  
±2.5 V / 5 V, 200 kSps, 16-bit, High-throughput ∆Σ ADC  
Features & Description  
General Description  
The CS5581 is a single-channel, 16-bit analog-to-digital  
converter capable of 200 kSps conversion rate. The input  
accepts a single-ended analog input signal. On-chip buff-  
ers provide high input impedance for both the AIN input  
and the VREF+ input. This significantly reduces the drive  
requirements of signal sources and reduces errors due to  
source impedances. The CS5581 is a delta-sigma convert-  
er capable of switching multiple input channels at a high  
rate with no loss in throughput. The ADC uses a low-laten-  
cy digital filter architecture. The filter is designed for fast  
settling and settles to full accuracy in one conversion. The  
converter's 16-bit data output is in serial format, with the  
serial port acting as either a master or a slave. The convert-  
er is designed to support bipolar, ground-referenced  
signals when operated from ±2.5V analog supplies.  
‰ Single-ended Analog Input  
‰ On-chip Buffers for High Input Impedance  
‰ Conversion Time = 5 µS  
‰ Settles in One Conversion  
‰ Linearity Error = 0.0007%  
‰ Signal-to-Noise = 81 dB  
‰ S/(N + D) = 81 dB  
‰ DNL = ±0.1 LSB Max.  
‰ Self-calibration:  
- Maintains accuracy over time & temperature.  
‰ Simple three/four-wire serial interface  
The CS5581 uses self-calibration to achieve low offset and  
gain errors. The converter achieves a S/N of 81 dB. Linear-  
ity is 0.0007% of full scale.  
‰ Power Supply Configurations:  
- Analog: +5V/GND; IO: +1.8V to +3.3V  
- Analog: ±2.5V; IO: +1.8V to +3.3V  
The converter can operate from an analog supply of 0-5V  
or from ±2.5V. The digital interface supports standard logic  
operating from 1.8, 2.5, or 3.3 V.  
‰ Power Consumption:  
- ADC Input Buffers On: 85 mW  
- ADC Input Buffers Off: 60 mW  
ORDERING INFORMATION:  
See Ordering Information on page 31.  
V1+  
V2+  
VL  
CS5581  
VREF+  
VREF-  
SMODE  
CS  
SERIAL  
INTERFACE  
DIGITAL  
FILTER  
LOGIC  
SCLK  
ADC  
AIN  
SDO  
RDY  
ACOM  
BUFEN  
RST  
CONV  
CALIBRATION  
MICROCONTROLLER  
CAL  
OSC/CLOCK  
BP/UP  
GENERATOR  
MCLK  
V2-  
TST  
VLR  
VLR2  
V1-  
DCR  
This document contains information for a new product.  
Cirrus Logic reserves the right to modify this product without notice.  
Advance Product Information  
AUG ‘07  
DS796A1  
Copyright © Cirrus Logic, Inc. 2007  
http://www.cirrus.com  
(All Rights Reserved)  

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