Description

Low Frequency to 3 GHz, Dual VGA with Output Common-Mode and DC Offset Control Features: Dual, matched VGAs Maximum voltage gain: 18 dB Gain control attenuation range: 21 dB typical for TA = 25°C ±1 dB gain flatness bandwidth: 2.5 GHz typical IMD2 and IMD3 (1.5 V p-p output level) −56.8 dBc typical and −75 dBc typical, respectively, at VGN = 1.5 V, 980 MHz and 1000 MHz tones HD2 and HD3 (1.5 V p-p output level) −75 dBc typical and −73.7 dBc typical, respectively, at VGN = 1.5 V, fundamental at 500 MHz −55.9 dBc typical and −57.5 dBc typical, respectively, at VGN = 1.5 V, fundamental at 1 GHz Noise figure: 10.5 dB typical at maximum gain and at 500 MHz 14.8 dB at maximum gain and at 2 GHz Noise figure decreases dB for dB with gain backoff 100 differential input impedance ≤ 16 differential output impedance Programmable Output DC offset nominal range: ± 400 mV Output common-mode control: > ± 200 mV for VOCM = ±0.2 V Single- or dual-supply operation with power-down feature Single supply: VPOS = 5 V, VNEG = 0 V (nominal) Dual supply: VPOS = 3 V, VNEG = −2 V (nominal)