CS5550-ISZ Cirrus Logic Inc, CS5550-ISZ Datasheet - Page 2
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CS5550-ISZ
Manufacturer Part Number
CS5550-ISZ
Description
IC ADC 2CH LOW-COST 24SSOP
Manufacturer
Cirrus Logic Inc
Datasheet
1.CS5550-ISZ.pdf
(24 pages)
Specifications of CS5550-ISZ
Number Of Converters
2
Package / Case
24-SSOP
Number Of Bits
2
Sampling Rate (per Second)
4k
Data Interface
Serial
Power Dissipation (max)
30mW
Voltage Supply Source
Analog and Digital
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Number Of Adc Inputs
2
Architecture
Delta-Sigma
Conversion Rate
4 KSPs
Resolution
24 bit
Input Type
Voltage
Interface Type
Serial (3-Wire)
Voltage Reference
2.5 V
Supply Voltage (max)
5 V
Supply Voltage (min)
3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Input Voltage
3.3 V to 5 V
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
598-1119-5
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
CS5550-ISZ
Manufacturer:
CIRRUS
Quantity:
20 000
TABLE OF CONTENTS
2
1. PIN DESCRIPTION ................................................................................................................... 4
2. CHARACTERISTICS/SPECIFICATIONS ................................................................................. 5
3. FUNCTIONAL DESCRIPTION ............................................................................................... 11
4. SERIAL PORT OVERVIEW .................................................................................................... 15
5. REGISTER DESCRIPTION .................................................................................................... 20
6. PACKAGE DIMENSIONS ....................................................................................................... 24
ANALOG CHARACTERISTICS ................................................................................................ 5
VOLTAGE REFERENCE.......................................................................................................... 6
5 V DIGITAL CHARACTERISTICS........................................................................................... 7
3 V DIGITAL CHARACTERISTICS........................................................................................... 7
RECOMMENDED OPERATING CONDITIONS ....................................................................... 7
SWITCHING CHARACTERISTICS .......................................................................................... 8
2.1 Theory of Operation ......................................................................................................... 10
2.2 Performing Measurements ............................................................................................... 10
2.3 CS5550 Linearity Performance ........................................................................................ 10
3.1 Analog Inputs ................................................................................................................... 11
3.2 Voltage Reference ........................................................................................................... 11
3.3 Oscillator Characteristics ................................................................................................. 11
3.4 Calibration ........................................................................................................................ 12
3.5 Interrupt ........................................................................................................................... 13
3.6 PCB Layout ...................................................................................................................... 14
4.1 Commands ....................................................................................................................... 15
4.2 Serial Port Interface ......................................................................................................... 18
4.3 Serial Read and Write ...................................................................................................... 18
4.4 System Initialization ......................................................................................................... 18
4.5 Serial Port Initialization .................................................................................................... 19
4.6 CS5550 Power States ...................................................................................................... 19
5.1 Configuration Register ...................................................................................................... 20
5.2 Offset Registers ................................................................................................................ 21
5.3 Gain Registers .................................................................................................................. 21
5.4 Cycle Count Register ........................................................................................................ 21
5.5 OUT1 and OUT2 Output Registers................................................................................... 22
5.6 FILT1, FILT2 Unsigned Output Register........................................................................... 22
5.7 Status Register and Mask Register .................................................................................. 22
5.8 Control Register ................................................................................................................ 23
2.1.1 High-Rate Digital Low-Pass Filters ..................................................................... 10
2.1.2 Digital Compensation Filters ............................................................................... 10
2.1.3 Gain and Offset Adjustment ................................................................................ 10
3.4.1 Overview of Calibration Process ......................................................................... 12
3.4.2 Calibration Sequence .......................................................................................... 12
3.4.3 Calibration Signal Input Level ............................................................................. 12
3.4.4 Input Configurations for Calibrations ................................................................... 12
3.4.5 Description of Calibration Algorithms .................................................................. 12
3.4.6 Duration of Calibration Sequence ....................................................................... 13
3.5.1 Typical use of the INT pin ................................................................................... 13
3.5.2 INT Active State .................................................................................................. 13
4.3.1 Register Write ..................................................................................................... 18
4.3.2 Register Read ..................................................................................................... 18
3.4.5.1 Offset Calibration Sequence ............................................................... 12
3.4.5.2 Gain Calibration Sequence ................................................................. 13
CS5550
DS630F1