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AD8331ARQZ-R7 数据表(PDF) 5 Page - Analog Devices |
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AD8331ARQZ-R7 数据表(HTML) 5 Page - Analog Devices |
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5 / 56 page  AD8331/AD8332/AD8334 Rev. G | Page 5 of 56 Parameter Test Conditions/Comments Min Typ Max Unit1 Output Signal Range, Postamplifier RL ≥ 500 Ω, unclamped, either pin VCM ± 1.125 V Differential 4.5 V p-p Output Offset Voltage AD8331 Differential, VGAIN = 0.5 V −50 ±5 +50 mV Common mode −125 −25 +100 mV AD8332, AD8334 Differential, 0.05 V ≤ VGAIN ≤ 1.0 V −20 ±5 +20 mV Common mode −125 –25 +100 mV Output Short-Circuit Current 45 mA Harmonic Distortion VGAIN = 0.5 V, VOUT = 1 V p-p, HI gain AD8331 HD2 f = 1 MHz −88 dBc HD3 −85 dBc HD2 f = 10 MHz −68 dBc HD3 −65 dBc AD8332, AD8334 HD2 f = 1 MHz −82 dBc HD3 −85 dBc HD2 f = 10 MHz −62 dBc HD3 −66 dBc Input 1 dB Compression Point VGAIN = 0.25 V, VOUT = 1 V p-p, f = 1 MHz to 10 MHz 1 dBm Two-Tone Intermodulation Distortion (IMD3) AD8331 VGAIN = 0.72 V, VOUT = 1 V p-p, f = 1 MHz −80 dBc VGAIN = 0.5 V, VOUT = 1 V p-p, f = 10 MHz −72 dBc AD8332, AD8334 VGAIN = 0.72 V, VOUT = 1 V p-p, f = 1 MHz −78 dBc VGAIN = 0.5 V, VOUT = 1 V p-p, f = 10 MHz −74 dBc Output Third-Order Intercept AD8331 VGAIN = 0.5 V, VOUT = 1 V p-p, f = 1 MHz 38 dBm VGAIN = 0.5 V, VOUT = 1 V p-p, f = 10 MHz 33 dBm AD8332, AD8334 VGAIN = 0.5 V, VOUT = 1 V p-p, f = 1 MHz 35 dBm VGAIN = 0.5 V, VOUT = 1 V p-p, f = 10 MHz 32 dBm Channel-to-Channel Crosstalk (AD8332, AD8334) VGAIN = 0.5 V, VOUT = 1 V p-p, f = 1 MHz −98 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 Absolute Gain Error2 0.05 V < VGAIN < 0.10 V −1 +0.5 +2 dB 0.10 V < VGAIN < 0.95 V −1 ±0.3 +1 dB 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 48.5 50 51.5 dB/V Gain Range LO gain −4.5 to +43.5 dB 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 500 ns COMMON-MODE INTERFACE (PIN VCMx) Input Resistance4 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 |
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