CDK5581 Cirrus Logic Inc, CDK5581 Datasheet - Page 18

• Manufacturer Part Number: CDK5581
• Description: KIT - CDB558 W/ Capture Plus II System
• Manufacturer: Cirrus Logic Inc
• Series: CapturePLUS™IIr

Specifications of CDK5581

• Number Of Adc's: 1
• Number Of Bits: 16
• Sampling Rate (per Second): 200k
• Data Interface: Serial
• Inputs Per Adc: 2 Single
• Input Range: ±2.048 V
• Power (typ) @ Conditions: 85mW @ 200kSPS
• Voltage Supply Source: Dual ±
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: CS5581
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 598-1574

The following figure depicts the CS5581 part powered from a single 5V analog supply and configured for
unipolar measurement.
18
Figure 7. CS5581 Configured for Unipolar Measurement Using a Single 5V Analog Supply
CS3003 / CS3004
Reference
(NOTE 1)
Voltage
+4.096
+5 V
0 V to +2.048 V
150pF
49.9
10 µF
2k
(V+) Buffers On
(V-) Buffers Off
4700pF
C0G
0.1 µF
3/25/08
0.1 µF
14:34
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-
CS5581
CS5571
VLR3
VLR2
SMODE
VLR
4
BP/UP
+3.3 V to 1.8 V
CONV
MCLK
SCLK
4
VL
SDO
RDY
RST
TST
CS
0.1 µF
50
CS5581
DS796PP1