CS5501-TD

更新时间： 2024-11-14 04:12:47

品牌	Logo	应用领域
凌云 - CIRRUS		转换器
页数	文件大小	规格书
54页	519K
描述
Low-Cost, 16 & 20-Bit Measurement A/D Converter

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CS5501-TD 数据手册

CS5501

CS5503

Low-Cost, 16 & 20-Bit Measurement A/D Converter

Features

Description

The CS5501 and CS5503 are low-cost CMOS A/D con-

verters ideal for measuring low-frequency signals

representing physical, chemical, and biological process-

es. They utilize charge-balance techniques to achieve

16-bit (CS5501) and 20-bit (CS5503) performance with

up to 4 kHz word rates at very low cost.

Monolithic CMOS ADC with Filtering

- 6-Pole, Low-Pass Gaussian Filter

Up to 4 kHz Output Word Rates

- On Chip Self-Calibration Circuitry

- Linearity Error: ±0.0003%

- Differential Nonlinearity:

CS5501: 16-Bit No Missing Codes

(DNL ±1/8 LSB)

The converters continuously sample at a rate set by the

user in the form of either a CMOS clock or a crystal. On-

chip digital filtering processes the data and updates the

output register at up to a 4 kHz rate. The converters’ low-

pass, 6-pole Gaussian response filter is designed to al-

low corner frequency settings from 0.1 Hz to 10 Hz in the

CS5501 and 0.5 Hz to 10 Hz in the CS5503. Thus, each

converter rejects 50 Hz and 60 Hz line frequencies as

well as any noise at spurious frequencies.

CS5503: 20-Bit No Missing Codes

System Calibration Capability

Flexible Serial Communications Port

- µC-Compatible Formats

- 3-State Data and Clock Outputs

- UART Format (CS5501 only)

The CS5501 and CS5503 include on-chip self-calibra-

tion circuitry which can be initiated at any time or

temperature to insure offset and full-scale errors of typi-

cally less than 1/2 LSB for the CS5501 and less than

4 LSB for the CS5503. The devices can also be applied

in system calibration schemes to null offset and gain er-

rors in the input channel.

Pin-Selectable Unipolar/Bipolar Ranges

Low Power Consumption: 25 mW

- 10 µW Sleep Mode for Portable Applications

Evaluation Boards Available

Each device’s serial port offers two general purpose

modes of operation for direct interface to shift registers

or synchronous serial ports of industry-standard micro-

controllers. In addition, the CS5501’s serial port offers a

third, UART-compatible mode of asynchronous

communication.

ORDERING INFORMATION

See page 33.

BP/UPSLEEP

SC1 SC2

Calibration

SRAM

Calibration

CAL

Microcontroller

VA+

VA-

VD+

VD-

Charge-Balanced A/D Converter

Analog 6-Pole Gaussian

VREF

AIN

Modulator Low-Pass Digital Filter

AGND

DGND

Clock Generator Serial Interface Logic

18 16 19

CLKOUTCLKIN DRDY CS MODESCLK

SDATA

Cirrus Logic, Inc.

Crystal Semiconductor Products Division

P.O. Box 17847, Austin, Texas 78760

(512) 445 7222 FAX: (512) 445 7581

http://www.crystal.com

MAR ‘95

DS31F2

12 3 4 5 6 7...54

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与CS5501-TD相关器件

型号	品牌	获取价格	描述	数据表
CS5503	CIRRUS	获取价格	Low-Cost, 16 & 20-Bit Measurement A/D Converter
CS5503-AD	ETC	获取价格	Analog-to-Digital Converter， 20-Bit
CS5503-AP	CIRRUS	获取价格	Low-Cost, 16 & 20-Bit Measurement A/D Converter
CS5503-AS	CIRRUS	获取价格	Low-Cost, 16 & 20-Bit Measurement A/D Converter
CS5503-BD	ETC	获取价格	Analog-to-Digital Converter， 20-Bit
CS5503-BP	CIRRUS	获取价格	Non-aliasing, 16- & 20-bit A/D Converters
CS5503-BS	CIRRUS	获取价格	Non-aliasing, 16- & 20-bit A/D Converters
CS5503-BSZ	CIRRUS	获取价格	Non-aliasing, 16- & 20-bit A/D Converters
CS5503CP	ETC	获取价格	Converter IC
CS5503-CP	CIRRUS	获取价格	Low-Cost, 16 & 20-Bit Measurement A/D Converter

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