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AD8331 Datasheet(PDF) 4 Page - Analog Devices |
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AD8331 Datasheet(HTML) 4 Page - Analog Devices |
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4 / 32 page  AD8331/AD8332 Rev. C | Page 4 of 32 Parameter Conditions Min Typ Max Unit Harmonic Distortion VGAIN = 0.5 V, VOUT = 1 V p-p HD2 –88 dBc HD3 f = 1 MHz –85 dBc HD2 –68 dBc HD3 f = 10 MHz –65 dBc Input 1 dB Compression Point VGAIN = 0.25 V, VOUT = 1 V p-p, f = 1 MHz–10 MHz 7 dBm1 VGAIN = 0.72 V, VOUT = 1 V p-p, f = 1 MHz –80 dBc Two-Tone Intermodulation Distortion (IMD3) VGAIN = 0.5 V, VOUT = 1 V p-p, f = 10 MHz –72 dBc VGAIN = 0.5 V, VOUT = 1 V p-p, f = 1 MHz 38 dBm Output Third Order Intercept VGAIN = 0.5 V, VOUT = 1 V p-p, f = 10 MHz 33 dBm Channel-to-Channel Crosstalk (AD8332) VGAIN = 0.5 V, VOUT = 1 V p-p, f = 1 MHz –84 dB Overload Recovery VGAIN = 1.0 V, VIN = 50 mV p-p/1 V p-p, f = 10 MHz 5 ns Group Delay Variation 5 MHz < f < 50 MHz, Full Gain Range ±2 ns ACCURACY 0.05 V < VGAIN < 0.10 V –1 +0.5 +2 dB 0.10 V < VGAIN < 0.95 V –1 ±0.3 +1 dB Absolute Gain Error2 0.95 V < VGAIN < 1.0 V –2 –1 +1 dB Gain Law Conformance3 0.1 V < VGAIN < 0.95 V ±0.2 dB Channel-to-Channel Gain Matching 0.1 V < VGAIN < 0.95 V ±0.1 dB GAIN CONTROL INTERFACE (Pin GAIN) Gain Scaling Factor 0.10 V < VGAIN < 0.95 V 50 dB/V LO Gain –4.5 to +43.5 dB Gain Range HI Gain +7.5 to +55.5 dB Input Voltage (VGAIN) Range 0 to 1.0 V Input Impedance 10 MΩ Response Time 48 dB Gain Change to 90% Full Scale 750 ns COMMON-MODE INTERFACE (Pin VCMn) Input Resistance Current Limited to ±1 mA 30 Ω Output CM Offset Voltage VCM = 2.5 V –125 –25 +100 mV Voltage Range VOUT = 2.0 V p-p 1.5 to 3.5 V ENABLE INTERFACE (Pins ENB, ENBL, ENBV) Logic Level to Enable Power 2.25 5 V Logic Level to Disable Power 0 1.0 V Pin ENB 25 kΩ Pin ENBL 40 kΩ Input Resistance Pin ENBV 70 kΩ VINH = 30 mV p-p 300 µs Power-Up Response Time VINH = 150 mV p-p 4 ms HILO GAIN RANGE INTERFACE (Pin HILO) Logic Level to Select HI Gain Range 2.25 5 V Logic Level to Select LO Gain Range 0 1.0 V Input Resistance 50 kΩ 1 All dBm values are referred to 50 Ω, unless otherwise noted. 2 Conformance to theoretical gain expression (see Equation 1). 3 Conformance to best fit dB linear curve. |
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