Product Summary

The CS5503BP is a low-cost CMOS A/D converter ideal for measuring low-frequency signals representing physical, chemical, and biological processes. The CS5503BP utilizes charge-balance techniques to achieve and 20-bit performance with up to 4 kHz word rates at very low cost. The CS5503BP 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 registers at up to a 4 kHz rate. The CS5503BP is designed to allow corner frequency settings from 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.

Parametrics

CS5503BP absolute maximum ratings: (1)Calibration Memory Retention Power Supply Voltage (VD+ and VA+); (2)VMR: 2.0V; (3)High-Level Input Voltage All Except CLKIN VIH: 2.0V; (4)High-Level Input Voltage CLKIN VIH: 3.5V; (5)Low-Level Input Voltage All Except CLKIN VIL: 0.8V; (6)Low-Level Input Voltage CLKIN VIL: 1.5V; (7)High-Level Output Voltage VOH: (VD+)-1.0V; (8)Low-Level Output Voltage Iout=1.6mA VOL: 0.4V; (9)Input Leakage Current Iin: 10mA; (10)3-State Leakage Current IOZ: ±10mA; (11)Digital Output Pin Capacitance Cout: 9pF.

Features

CS5503BP features: (1)Monolithic CMOS ADC with Filtering; (2)6-Pole, Low-Pass Gaussian Filter; (3)Up to 4 kHz Output Word Rates; (4)On Chip Self-Calibration Circuitry; (5)Linearity Error: ±0.0003%; (6)Differential Nonlinearity: CS5501: 16-Bit No Missing Codes; (7)(DNL ±1/8 LSB) CS5503: 20-Bit No Missing Codes; (8)System Calibration Capability; (9)Flexible Serial Communications Port; (10)μC-Compatible Formats; (11)3-State Data and Clock Outputs; (12)UART Format (CS5501 only); (13)Pin-Selectable Unipolar/Bipolar Ranges; (14)Low Power Consumption: 25mW; (15)10μW Sleep Mode for Portable Applications; (16)Evaluation Boards Available.

Diagrams

CS5503BP block diagram

CS5501
CS5501

Other


Data Sheet

Negotiable 
CS5503
CS5503

Other


Data Sheet

Negotiable 
CS5504
CS5504

Other


Data Sheet

Negotiable 
CS5505
CS5505

Other


Data Sheet

Negotiable 
CS5505/6/7/8
CS5505/6/7/8

Other


Data Sheet

Negotiable 
CS5505-ASZ
CS5505-ASZ

Cirrus Logic

ADC (A/D Converters) IC 16-Bit 4-Ch ADC

Data Sheet

0-1: $12.00
1-25: $11.33
25-50: $11.21
50-100: $10.87