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PDF CDB5528 Data sheet ( Hoja de datos )

Número de pieza CDB5528
Descripción (CDB5521 - CDB5528) Evaluation Board and Software
Fabricantes Cirrus Logic 
Logotipo Cirrus Logic Logotipo



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CDB5521/22/23/24/28
CDB5521/22/23/24/28 Evaluation Board and Software
Features
l Evaluation Board and Software Supports All
Chips: CS5521, CS5522, CS5523, CS5524,
and CS5528
l Direct Thermocouple Interface
l RS-232 to PC With Test Modes
l On-board 80C51 Microcontroller
l On-board Voltage Reference
l Lab Windows/CVITM Evaluation Software
– Register Setup & Chip Control
– Data Capture
– FFT Analysis
– Time Domain Analysis
– Noise Histogram Analysis
l On-board Charge Pump Drive Circuitry
General Description
The CDB5521/22/23/24/28 is an inexpensive tool de-
signed to evaluate the performance of the CS5521,
CS5522, CS5523, CS5524, and CS5528 Analog-to-Dig-
ital Converters (ADC).
The evaluation board includes a 2.5 V voltage reference,
an 80C51 microcontroller, an RS232 driver/receiver, and
firmware. The 8051 controls the serial communication
between the evaluation board and the PC via the firm-
ware, thus, enabling quick and easy access to all of the
CS5521/22/23/24/28’s registers.
The CDB5521/22/23/24/28 also includes one installed
ADC sample, and software for Data Capture, Time Do-
main Analysis, Histogram Analysis, and Frequency
Domain Analysis.
ORDERING INFORMATION
CDB5521/22/23/24/28
Evaluation Board
-5 ANALOG
J2
REF+
+5 ANALOG
AGND
VOLTAGE
REFERENCE
REF-
J1
AIN1+
AIN1-
AIN2+
AIN2-
CS5521
CS5522
CS5523
CS5524
CS5528
AIN3+
AIN3-
AIN4+
AIN4-
NBV DRIVE
CIRCUITRY
NBV
CPD
CS
SDI
SDO
SCLK
A0
A1
CRYSTAL
32.768 kHz
DGND
+5 DIGITAL
LEDs
80C51
Microcontroller
TEST
SWITCHES
on off
3
2
1
RS232
CONNECTOR
RS232
DRIVER/RECEIVER
CRYSTAL
11.0592 MHz
RESET
CIRCUITRY
Preliminary Product Information
P.O. Box 17847, Austin, Texas 78760
(512) 445 7222 FAX: (512) 445 7581
http://www.cirrus.com
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
Copyright © Cirrus Logic, Inc. 2000
(All Rights Reserved)
MAY ‘00
DS317DB2
1

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CDB5528 pdf
CDB5521/22/23/24/28
+5V Analog
C14
0.1µF
J1
AIN1+
AIN1-
AIN2+
AIN2-
1
2
3
4
R17
301C2
4700pF
R18
301
R25
301C3
4700pF
HDR1
HDR2
HDR8
R26
301
HDR9
+5V Analog
U4
LT1019
C20
0.1µF
IN OUT
GND TRIM
R24
49.9
R7 C16
20k0.1µF
+5V Analog
JP6
JP3
J2
REF+
REF-
R21
301
JP4
JP5
R22
301
C1 C41
4700pF 0.1µF
C40
0.1µF
R15
10
C29
10µF
C32
0.1µF
C33
0.1µF
C34
0.1µF
C35
0.1µF
2 VA+
C30
VD+ 14 10µF
C15
0.1µF
1 AGND
3 AIN1+
XIN 10
JP7
Y2
XOUT
4 AIN1-
U6
CS5521 CS
CS5522* SDI
18 AIN2+
SDO
SCLK
A0
A1
11
9
8
12
15
6
16
32.768kHz
To
Figure 3
17 AIN2-
DGND 13
CPD 7
C9
0.033µF
20 VREF+
19 VREF-
HDR5
D2
1N4148
NBV 5
C22
10µF +
D3
1N4148
CPD
GND
337
D5
BAT85
HDR4
* CS5521 and CS5522 are interchangeable
-5V Analog
U2
LM337_LZ
VIN VOUT
C21
1µF +
ADJ R23
1k
C11
0.1µF +
R16
1k
Figure 1. CS5522 Analog Section
DS317DB2
5

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CDB5528 arduino
CDB5521/22/23/24/28
Self-Offset Calibration
Self-Offset Calibration on Setup 1
Self-Offset Calibration on Setup 2
Self-Offset Calibration on Setup 3
Self-Offset Calibration on Setup 4
Self-Offset Calibration on Setup 5
Self-Offset Calibration on Setup 6
Self-Offset Calibration on Setup 7
Self-Offset Calibration on Setup 8
Self-Offset Calibration on Setup 9
Self-Offset Calibration on Setup 10
Self-Offset Calibration on Setup 11
Self-Offset Calibration on Setup 12
Self-Offset Calibration on Setup 13
Self-Offset Calibration on Setup 14
Self-Offset Calibration on Setup 15
Self-Offset Calibration on Setup 16
Calibration Command (HEX)
81
89
91
99
A1
A9
B1
B9
C1
C9
D1
D9
E1
E9
F1
F9
Self Gain Calibration
Self-Gain Calibration on Setup 1
Self-Gain Calibration on Setup 2
Self-Gain Calibration on Setup 3
Self-Gain Calibration on Setup 4
Self-Gain Calibration on Setup 5
Self-Gain Calibration on Setup 6
Self-Gain Calibration on Setup 7
Self-Gain Calibration on Setup 8
Self-Gain Calibration on Setup 9
Self-Gain Calibration on Setup 10
Self-Gain Calibration on Setup 11
Self-Gain Calibration on Setup 12
Self-Gain Calibration on Setup 13
Self-Gain Calibration on Setup 14
Self-Gain Calibration on Setup 15
Self-Gain Calibration on Setup 16
Calibration Command (HEX)
82
8A
92
9A
A2
AA
B2
BA
C2
CA
D2
DA
E2
EA
F2
FA
Table 4. Microcontroller Self Calibration Commands via RS-232
DS317DB2
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