CDB5566 Cirrus Logic Inc, CDB5566 Datasheet - Page 9

• 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

SWITCHING CHARACTERISTICS
T
VL - VLR = 3.3 V, ±5%, 2.5 V, ±5%, or 1.8 V, ±5%
Input levels: Logic 0 = 0V Low; Logic 1 = VD+ = High; CL = 15 pF.
DS806PP1
Serial Port Timing in SEC Mode (SMODE = VLR)
SCLK(in) Pulse Width (High)
SCLK(in) Pulse Width (Low)
CS hold time (high) after RDY falling
CS hold time (high) after SCLK rising
CS low to SDO out of Hi-Z
Data hold time after SCLK rising
Data setup time before SCLK rising
CS hold time (low) after SCLK rising
RDY rising after SCLK falling
A
SCLK(i)
= -40 to +85 °C; V1+ = V2+ = +2.5 V, ±5%; V1- = V2- = -2.5 V, ±5%;
MCLK
SDO
RDY
CS
15. SDO will be high impedance when CS is high. In some systems SDO may require a pull-down resistor.
Figure 4. SEC Mode - Continuous SCLK Read Timing (Not to Scale)
Parameter
t
17
t
t
MSB
16
15
t
18
t
19
(CONTINUED)
3/25/08
(Note 15)
Symbol
t
t
t
t
t
t
t
15
16
17
18
19
20
21
-
-
Min
30
30
10
10
10
10
-
-
-
LSB
t
20
Typ
10
10
10
-
-
-
-
-
-
t
21
SCLK
Max
1
-
-
-
-
-
-
-
-
CS5566
10
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
9