參數(shù)資料
型號(hào)： CS5581-ISZ
廠商： CIRRUS LOGIC INC
元件分類(lèi)： ADC
英文描述： 【2.5 V / 5 V, 200 kSps, 16-bit, High-throughput ツヒ ADC
中文描述： 1-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO24
封裝： MO-150, SSOP-24
文件頁(yè)數(shù)： 1/32頁(yè)
文件大?。?/td> 497K
代理商： CS5581-ISZ
Advance Product Information
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
Copyright
Cirrus Logic, Inc. 2007
(All Rights Reserved)
http://www.cirrus.com
8/21/07
15:56
CS5581
±
2.5 V / 5 V, 200 kSps, 16-bit, High-throughput
Σ
ADC
Features
& Description
Single-ended Analog Input
On-chip Buffers for High Input Impedance
Conversion Time = 5
μ
S
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
Power Supply Configurations:
- Analog: +5V/GND; IO: +1.8V to +3.3V
- Analog: ±2.5V; IO: +1.8V to +3.3V
Power Consumption:
- ADC Input Buffers On: 85 mW
- ADC Input Buffers Off: 60 mW
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.
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.
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.
ORDERING INFORMATION:
See
Ordering Information
on page 31.
AIN
ACOM
CS
SCLK
SMODE
VREF+
VREF-
RDY
OSC/CLOCK
GENERATOR
CONV
CAL
BP/UP
CALIBRATION
MICROCONTROLLER
SERIAL
INTERFACE
ADC
DIGITAL
FILTER
LOGIC
VL
MCLK
SDO
RST
DCR
VLR
V1-
V2-
BUFEN
V2+
V1+
CS5581
TST
VLR2
AUG ‘07
DS796A1
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CS5581-ISZ 制造商:Cirrus Logic 功能描述:A/D Converter (A-D) IC
CS5581-ISZR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC IC ADC DELTA-SIGMA 24-SSOP 16b/200kSPS 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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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