CS5508-BSZ Cirrus Logic Inc, CS5508-BSZ Datasheet - Page 2

• Manufacturer Part Number: CS5508-BSZ
• Description: IC ADC 20BIT LOW PWR 20-SOIC
• Manufacturer: Cirrus Logic Inc

Specifications of CS5508-BSZ

• Data Interface: Serial
• Number Of Bits: 20
• Sampling Rate (per Second): 100
• Number Of Converters: 1
• Power Dissipation (max): 4.5mW
• Voltage Supply Source: Analog and Digital, Dual ±
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 20-SOIC
• Resolution (bits): 20bit
• Sampling Rate: 100SPS
• Input Channel Type: Differential
• Supply Current: 340µA
• Digital Ic Case Style: SOIC
• No. Of Pins: 20
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 598-1099-5

2
ANALOG CHARACTERISTICS
3.3V ± 5%; VREF+ = 2.5V(external); VREF- = 0V; f
to AGND at AIN; Anal og input channel AIN1+; AIN- = AGND; unless otherwise specified.) (Notes 1, 2)
Notes: 1. The AIN pin presents a very high input resistance at dc and a minor dynamic load which scales to the
* Refer to the Specification Definitions immediately following the Pin Description Section.
2
Specified Temperature Range
Accuracy
Linearity Error
Differential Nonlinearity
Full Scale Error
Full Scale Drift
Unipolar Offset
Unipolar Offset Drift
Bipolar Offset
Bipolar Offset Drift
Noise (Referred to Output)
152
mV
10
19
38
76
2. Specifications guaranteed by desi gn, characterization and/or test.
3. Applies after calibration at the temperature of interest.
4. Total drift over the specified temperature range since calibration at power-up at 25°C.
master clock frequency. Both sour ce resistance and shunt capacitance are therefore critical in
determining the CS5505/6/7/8’s source impedance requirements. For more information refer to the
text section Analog Input Impedance Consi derations.
Recalibration at any temperature will remove these errors.
Parameter*
LSB’s
0.26
0.50
1.00
2.00
4.00
Specifications are subject to change without notice.
Unipolar Mode
0.0004
0.0008
0.0015
0.0030
0.0061
(Note 3)
(Note 4)
(Note 3)
(Note 4)
(Note 3)
(Note 4)
% FS
CS5505/7; 16-Bit Unit Conversion Factors
(T
A
= T
Min
CLK
-
-
-
-
-
-
-
-
-
ppm FS
MIN
CS5505/7-A
15
30
61
= 32.768kHz; Bipolar Mode; R
4
8
-40 to +85
to T
0.0015
VREF = 2.5V
±0.25
±0.25
±0.25
±0.25
±0.5
±0.5
±0.5
0.16
Typ
MAX
; VA+ = 5V ± 10%; VA- = -5 V ± 10%; VD+ =
0.003
Max
±0.5
±2
±2
±1
LSB’s
-
-
-
-
0.13
0.26
0.50
1.00
2.00
Min
-
-
-
-
-
-
-
-
-
Bipolar Mode
-55 to +125
CS5507-S
0.0002
0.0004
0.0008
0.0015
0.0030
0.0015
% FS
source
±0.25
±0.5
±0.5
±0.5
0.16
Typ
±2
±1
±1
CS5505/6/7/8
= 1kΩ with a 10nF
CS5505/6/7/8
0.003
Max
±0.5
±2
±4
±2
-
-
-
-
ppm FS
15
30
2
4
8
DS59F7
DS59F7
LSB
LSB
LSB
LSB
LSB
LSB
LSB
±%FS
rms
Units
LSB-
°C
16
16
16
16
16
16
16
16