CDB5566 Cirrus Logic Inc, CDB5566 Datasheet - Page 19

• Manufacturer Part Number: CDB5566
• Description: Dev Bd For I/C 24-bit, Diff, 5kSPS, DAQ
• Manufacturer: Cirrus Logic Inc
• Type: A/Dr

Specifications of CDB5566

• Number Of Adc's: 1
• Number Of Bits: 24
• Sampling Rate (per Second): 5k
• Data Interface: SPI™
• Inputs Per Adc: 2 Differential
• Input Range: 0 ~ 4.096 V
• Power (typ) @ Conditions: 20mW @ 5kSPS
• Voltage Supply Source: Analog and Digital, Dual ±
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: CS5566
• Conversion Rate: 5 KSPS
• Resolution: 24 bit
• Maximum Clock Frequency: 8 MHz
• Interface Type: SPI
• Supply Voltage (max): 3.3 V
• Supply Voltage (min): - 2.5 V
• Product: Data Conversion Development Tools
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With/related Products: CS5566
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 598-1557; CDB-5566

The following figure depicts the CS5566 device powered from a single 5V analog supply.
DS806PP1
47pF
47pF
4.99k
4.99k
49.9
49.9
Reference
(NOTE 1)
Voltage
+4.096
+5 V
Figure 9. CS5566 Configured Using a Single 5V Analog Supply
+0.452 V
+4.548 V
+0.452 V
4.548 V
2.5 V
2.5 V
2.048 V
4.096 V
10 µF
(V+) Buffers On
(V-) Buffers Off
47 µF
4700pF
4700pF
C0G
C0G
0.1 µF
0.1 µF
NOTES
3/25/08
+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
VREF+
VREF-
AIN-
AIN+
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-
CS5566
SMODE
VLR2
SLEEP
VLR
4
BP/UP
CONV
MCLK
+3.3 V to 1.8 V
SCLK
4
VL
SDO
RDY
RST
TST
CS
0.1 µF
50
CS5566
19