CDB5571 Cirrus Logic Inc, CDB5571 Datasheet - Page 19

• Manufacturer Part Number: CDB5571
• Description: DEV BOARD FOR CS5571 W/MUX
• Manufacturer: Cirrus Logic Inc
• Type: A/Dr

Specifications of CDB5571

• Number Of Adc's: 1
• Number Of Bits: 16
• Sampling Rate (per Second): 100k
• Data Interface: Serial
• Inputs Per Adc: 2 Single
• Input Range: 2.4 ~ 4.2 V
• Voltage Supply Source: Dual ±
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: CS5571
• Product: Data Conversion Development Tools
• Conversion Rate: 100 KSPS
• Resolution: 16 bit
• Maximum Clock Frequency: 16 MHz
• Interface Type: SPI
• Supply Voltage (max): 3.3 V
• Supply Voltage (min): - 2.5 V
• For Use With/related Products: CS5571
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 598-1275; CDB5571-1

The following figure depicts the CS5571 part powered from a single 5V analog supply and configured for
bipolar measurement, referenced to a common mode voltage of 2.5 V.
DS768PP1
Figure 8. CS5571 Configured for Bipolar Measurement Using a Single 5V Analog Supply
Common Mode Voltage
(2.5 V Typ.)
+4.548 V
+0.452 V
+2.5 V
CS3003 / CS3004
CS3003 / CS3004
Reference
(NOTE 1)
Voltage
+4.096
+5 V
150pF
150pF
49.9
49.9
10 µF
2k
2k
(V+) Buffers On
(V-) Buffers Off
3/25/08
10:56
4700pF
4700pF
C0G
C0G
0.1 µF
0.1 µF
NOTES
+5 V
1. See Section 3.3 Voltage Reference for information on
2. Locate capacitors so as to minimize loop length.
3. V1-, V2-, and VLR should be connected to the same
4. SCLK and SDO may require pull-down resistors in
BUFEN
AIN
ACOM
VREF+
VREF-
required voltage reference performance criteria.
ground plane under the chip.
some applications.
0.1 µF
0.1 µF
10
X7R
V1+
V2+
V2-
DCR
V1-
CS5571
DITHER
SMODE
VLR2
VLR
4
BP/UP
CONV
+3.3 V to 1.8 V
MCLK
SCLK
4
VL
SDO
RDY
CAL
RST
TST
CS
0.1 µF
50
CS5571
19