Datasheet

AD8235
Rev. 0 | Page 9 of 20
0
–40 –30 0 10 40
CMRR (µV/V)
TYPICAL PERFORMANCE CHARACTERISTICS
G = 5, +V
S
= 5 V, V
REF
= 2.5 V, R
L
= 100 kΩ tied to GND, T
A
= 25°C, SDN pin connected to +V
S
, unless otherwise noted
2400
2100
1800
1500
1200
900
600
300
08211-105
NUMBER OF UNITS
GAIN = 5
20 30–20 –10
Figure 5. CMRR Distribution
0
08211-005
NUMBER OF UNITS
350
V
OSI
(µV)
400
300
250
200
100
150
50
–2000–3000 –1000 0 1000 2000 3000
Figure 6. Typical Distribution of Input Offset Voltage
10
1 10 100 1k 10k
FREQUENCY (Hz)
100
1k
NOISE (nV/Hz)
GAIN = 5
GAIN = 200
BANDWIDTH
LIMITED
08211-007
Figure 7. Voltage Noise Spectral Density vs. Frequency
1s/DIV5µV/DIV
08211-008
Figure 8. 0.1 Hz to 10 Hz RTI Voltage Noise
GAIN = 200
1s/DIV
5µV/DIV
08211-009
Figure 9. 0.1 Hz to 10 Hz RTI Voltage Noise
0
20
40
60
80
100
120
140
0.1 1 10 100 1k 10k 100k
PSRR (dB)
FREQUNCY (Hz)
INTERNAL
CLIPPING
GAIN = 100
GAIN = 200
GAIN = 5
GAIN = 10
8211-010
0
Figure 10. Positive PSRR vs. Frequency, RTI,
V
S
= ±0.9 V, ±2.5 V, V
REF
= 0 V