ad8436acpz-wp Analog Devices, Inc., ad8436acpz-wp Datasheet - Page 7

• Manufacturer Part Number: ad8436acpz-wp
• Description: Low Cost, Low Power, True Rms-to-dc Converter
• Manufacturer: Analog Devices, Inc.

–0.1
–0.2
–0.3
–0.4
–0.5
–12
–15
0.5
0.4
0.3
0.2
0.1
2.0
1.6
1.2
0.8
0.4
15
12
–3
–6
–9
Figure 12. Core Input Voltage for 1% Error vs. Supply Voltage
0
0
9
6
3
0
100
0
0
Figure 10. Output Buffer, Small Signal Bandwidth
CAVG = 10µF
8 SAMPLES
e
IN
Figure 11. Additional Error vs. Supply Voltage
2
2
= 3.5mV rms
4
1k
4
6
SUPPLY VOLTAGE (±V)
SUPPLY VOLTAGE (±V)
6
FREQUENCY (Hz)
8
10k
8
10
10
12
100k
12
14
14
16
1M
16
18
5M
20
18
Rev. 0 | Page 7 of 20
Figure 15. RMS Core Supply Current vs. Input for V
Figure 13. Crest Factor Error vs. Crest Factor for CAVG and CAVG and CCF
−0.25
−0.50
−0.75
−1.00
−10
1.00
0.75
0.50
0.25
2.5
2.0
1.5
1.0
0.5
10
−5
5
0
0
0
–50
0
0
Figure 14. Additional Conversion Error vs. Temperature
P
W
= 100µs
–25
2
0.5
Capacitor Combinations
0
INPUT VOLTAGE (V rms)
CREST FACTOR RATIO
TEMPERATURE (°C)
V
4
S
25
= ±5V
1.0
50
6
V
CAVG = 10µF
CCF = 0.1µF
S
S
= ±15V
= ±2.4 V, ±5 V, and ±15 V
75
1.5
CAVG = 10µF
8
V
S
100
= ±2.4V
AD8436
2.0
125
10