Datasheet AD645 Equivalent ( PDF )

a FEATURES Improved Replacement for Burr-Brown OPA-111 and OPA-121 Op Amp LOW NOISE 2 V p-p max, 0.1 H- to 10 H- 10 nV, √H- max at 10 kH- 11 fA p-p Current Noise 0.1 H- to 10 Hz Low Noise, Low Drift FET Op Amp AD645 8-Pin Plastic Mini-DIP (N) Package CONNECTION DIAGRAMS TO-99 (H) Package CASE OFFSET NULL IN +IN VS OFFSET NULL 8 1 7 HIGH DC ACCURACY 250 V max Offset Voltage 1 V, C max Dri

a FEATURES Fully Compliant with Standard and Enhanced GSM Specification 12 dBm Input 1 dB Compression Point 2 dBm Input Third Order Intercept 10 dB SSB Noise Figure (330 ) DC 400 MH- RF and LO Bandwidths Linear IF Amplifier Linear-in-dB and Stable over Temperature Voltage Gain Control Quadrature Demodulator Onboard Phase-Locked Quadrature Oscillator Demodulates IFs from 5 MH- to 50 MH- Low Powe

a FEATURES Fully Compliant with Standard and Enhanced GSM Specification 11 dBm Input 1 dB Compression Point 0 dBm Input Third Order Intercept 10 dB SSB Noise Figure (50 ) DC-500 MH- RF and LO Bandwidths Linear IF Amplifier Linear-in-dB and Stable over Temperature Voltage Gain Control Quadrature Demodulator On-Board Phase-Locked Quadrature Oscillator Demodulates IFs from 5 MH- to 50 MH- Low Power