Datasheet

Data Sheet AD736
Rev. I | Page 7 of 20
TYPICAL PERFORMANCE CHARACTERISTICS
–0.5
–0.3
–0.1
0
0.3
0.1
0.5
0.7
0
42
8
6 12
14
10 16
SUPP
L
Y VOLTAGE (±V)
ADDITIONAL ERROR (% of Reading)
V
IN
= 200mV rms
1kHz SINE WAVE
C
AV
= 100µF
C
F
= 22µF
00834-002
Figure 3. Additional Error vs. Supply Voltage
0
2
4
6
8
12
10
14
16
0
42 86 12 1410 16
SUPPLY VOLTAGE (±V)
PEAK INPUT BEFORE CLIPPING (V)
PIN 1
PIN 2
DC-COUPLED
00834-003
Figure 4. Maximum Input Level vs. Supply Voltage
0
4
2
10
16
14
12
8
6
0 2 4 6 108 12 14 16
SUPPLY VOLTAGE (±V)
PEAK BUFFER OUTPUT (V)
1kHz SINE WAVE INPUT
00834-004
Figure 5. Peak Buffer Output vs. Supply Voltage
100µV
1mV
10mV
1V
100mV
10V
0.1 1 10010 1000
–3dB FREQUENCY (kHz)
INPUT LEVEL (rms)
SINE WAVE INPUT, V
S
=±5V,
C
AV
= 22µF, C
F
= 4.7µF, C
C
= 22µF
1% ERROR
–3dB
10% ERROR
00834-005
Figure 6. Frequency Response Driving Pin 1
100µV
1mV
10mV
1V
100mV
10V
0.1 1 10010 1000
–3dB FREQUENCY (kHz)
INPUT LEVEL (rms)
SINE WAVE INPUT,
V
S
=±5V,
C
AV
= 22µF, C
F
= 4.7µF, C
C
= 22µF
1% ERROR
10% ERROR
–3dB
00834-006
Figure 7. Frequency Response Driving Pin 2
C
AV
= 100µF
C
AV
= 250µF
0
1
2
3
4
5
6
1 2 3 4 5
CREST FACTOR (V
PEAK
/V rms)
ADDITIONAL ERROR (% of Reading)
C
AV
= 10µF
C
AV
= 33µF
3ms BURST OF 1kHz =
3 CYCLES
200mV rms SIGNAL
V
S
= ±5V
C
C
= 22µF
C
F
= 100µF
00834-007
Figure 8. Additional Error vs. Crest Factor with Various Values of C
AV