| AD641 Description |
| 250 MHz, 44 dB Demodulating Logarithmic Amplifier |
| AD641 Vendor |
| Analog Devices |
| AD641 Categories |
|
| AD641 Features |
- Logarithmic Amplifier Performance
Usable to 250 MHz
44 dB Dynamic Range
±2.0 dB Log Conformance
37.5 mV/dB Voltage Output
Stable Slope and Intercepts - 2.0 nV/vHz Input Noise Voltage
- 50 µV Input Offset Voltage
- Low Power
±5 V Supply Operation
9 mA (+Vs), 35 mA (-Vs)
Quiescent Current - Onboard Resistors
- Onboard 10x Attenuator
- Dual Polarity Current Outputs
- Direct Coupled Differential Signal Path
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| AD641 Datasheet and Application Notes |
|
| Parameter | Value |
| Dynamic Range | 44dB |
| Accuracy | ±0.5dB |
| Phase Accuracy (for Log Amps) | ±2Deg |
| Response Time | 10ns |
| Limiter Output | Yes |
| AC Linearity of Log Amp | 2dB |
| Pwr Dn Comsumption | 220mW |
| Products related to AD641 |
| AD641AN 5962-9559801MRA |