CDB5571 Cirrus Logic Inc, CDB5571 Datasheet - Page 17

• 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

3.6 Typical Connection Diagrams
The following figure depicts the CS5571 powered from bipolar analog supplies, +2.5 V and - 2.5 V.
DS768PP1
+2.048 V
-2.048 V
0 V
Reference
(NOTE 1)
Voltage
+4.096
+2.5 V
-2.5 V
Figure 6. CS5571 Configured Using ± 2.5V Analog Supplies
150pF
49.9
2k
10 µF
(V+) Buffers On
(V-) Buffers Off
4700pF
C0G
0.1 µF
0.1 µF
NOTES
1. See Section 3.3 Voltage Reference for information on required
2.Locate capacitors so as to minimize loop length.
3. The ±2.5 V supplies should also be bypassed to ground at the converter.
4. VLR and the power supply ground for the ±2.5 V should be
5. SCLK and SDO may require pull-down resistors in some applications.
+2.5 V
-2.5 V
voltage reference performance criteria.
connected to the same ground plane under the chip.
BUFEN
ACOM
VREF+
VREF-
3/25/08
AIN
10
10
0.1 µF
0.1 µF
10:56
X7R
V1+
V2+
V2-
DCR
V1-
CS5571
VLR2
DITHER
SMODE
VLR
+3.3 V to +1.8 V
5
BP/UP
CONV
MCLK
SCLK
5
VL
SDO
RDY
RST
TST
CS
0.1 µF
50
CS5571
17