AD737KRZ Analog Devices Inc, AD737KRZ Datasheet - Page 9

• Manufacturer Part Number: AD737KRZ
• Description: IC TRUE RMS/DC CONV LP 8-SOIC
• Manufacturer: Analog Devices Inc

Specifications of AD737KRZ

• Current - Supply: 170mA
• Voltage - Supply: ±2.5 V ~ 16.5 V
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• For Use With: AD737-EVALZ - BOARD EVALUATION FOR AD737
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

100µV
10mV
10µV
–0.2
–0.4
–0.6
–0.8
1mV
500
400
300
200
100
0.8
0.6
0.4
0.2
0
0
–60
100
0
Figure 12. DC Supply Current vs. RMS Input Level
V
C
C
Figure 13. RMS Input Level vs. –3 dB Frequency
AC COUPLED
IN
AV
F
–40
Figure 11. Additional Error vs. Temperature
= 22µF
= 200mV rms
= 100µF
–20
0.2
0
1k
RMS INPUT LEVEL (V)
–3dB FREQUENCY (Hz)
TEMPERATURE (°C)
0.4
20
40
0.6
60
10k
80
100
0.8
120
140
100k
1.0
Rev. H | Page 9 of 24
Figure 16. RMS Input Level vs. Frequency for Specified Averaging Error
100mV
10mV
–0.5
–1.0
–1.5
–2.0
–2.5
100
1mV
Figure 14. Error vs. RMS Input Level Using Circuit in Figure 30
1.0
0.5
10
10mV
1V
0
1
10
Figure 15. Value of Averaging Capacitor vs. Frequency
1
C
C
AV
F
= 4.7µF
= 22µF, C
for Specified Averaging Error
C
= 47µF,
10
INPUT LEVEL (rms)
FREQUENCY (Hz)
FREQUENCY (Hz)
100mV
–1%
100
–1%
–0.5%
AC COUPLED
C
C = 47µF
100
AV
F
V
C
C
= 10µF, C
–0.5%
IN
C
F
= 47µF
= 47µF
= 200mV rms
C
1V
= 47µF,
AD737
2V
1k
1k