Logarithmic Amps Selection Table
Generic Function
Frequency
(max)
Dynamic
Range
(dB)
Accuracy
(dB)
Phase
Accuracy
(deg)
Response
Time
(TYP) (ns)
Power
Consumption
(mW) Applications Package
AD606 Demodulating Log
Amp 50 MHz 80 ±0.4 ±3 400 65 RSSI/Phase
Detect 16-Lead SOIC
AD640 Demodulating Log
Amp 120 MHz 50 ±0.55 n/a 10 200 RSSI/Fast
Responding
20-Lead
DIP/LCC/PLCC
AD641 Demodulating Log
Amp 250 MHz 44 ±0.5 ±2 10 220 RSSI/Fast
Responding
20-Lead
DIP/PLCC
AD83021 Dual Channel
Detector 2.7 GHz 60 ±0.2 ±1 30 95
Measures Both
Gain and Phase
Difference
Between Two
Inputs
14-Lead
TSSOP
AD83041
Baseband Log
Amp with Photo
Diode Interface
LF 160 ±0.1 n/a 1 µs 20
Optical Power
Measurement
and Control
14-Lead
TSSOP
AD83051
Baseband Log
Amp with Photo
Diode Interface
LF 100 ±0.3 N/A 1 µs 25
Optical Power
Measurement
and Control
3x3 mm CSP
AD8306 Demodulating Log
Amp 400 MHz 100 ±0.2 ±2 73 80 RSSI/Phase
Detect
16-Lead
SOIC/DIP
AD8307 Demodulating Log
Amp 500 MHz 92 ±0.5 n/a 400 50 RSSI 8-Lead
SOIC/DIP
AD8309 Demodulating Log
Amp 500 MHz 100 ±0.5 ±3 67 80 RSSI/Phase
Detect
16-Lead
TSSOP
AD83101 Demodulating Log
Amp 440 MHz 95 ±0.5 n/a 15 40 RSSI/Fast
Responding 8-Lead µSOIC
AD8313 Log Amp
Detector/Controller 2.5 GHz 70 ±1 n/a 40 40 RSSI/TSSI 8-Lead µSOIC
AD83142 Log Amp
Detector/Controller 2.7 GHz 45 ±1 n/a 70 13.5 RSSI/TSSI
8-Lead µSOIC;
8-Lead Chip
Scale
AD83611 TruPwrTM (RMS)
Detector 2.7 GHz 30 ±1 n/a 1 5 RMS-to-DC
Power Detector
8-Lead
µSOIC/SOT23-
6
AD83621 TruPwr (RMS)
Detector 2.7 GHz 60 ±1 n/a 1 90
RMS True
Power
Measurement
for Complex
Waveforms
CDMA, QAM,
W-CDMA
16-Lead
TSSOP
