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AD8260ACPZ-R7 数据表(PDF) 3 Page - Analog Devices |
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AD8260ACPZ-R7 数据表(HTML) 3 Page - Analog Devices |
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3 / 32 page  Data Sheet AD8260 Rev. B | Page 3 of 32 SPECIFICATIONS VS (supply voltage) = 3.3 V, TA = 25°C, preamplifier gain = 2× (RFB1 = RFB2 = 100 Ω), VVMDO = VS/2, f = 10 MHz, CL = 5 pF, RLOAD = 500 Ω, DGA differential output. All dBm values are referenced to 50 Ω, gain code 1011, unless otherwise specified. Table 1. Parameter Test Conditions/Comments Min Typ Max Unit DRIVER AMPLIFIER—GENERAL PARAMETERS −3 dB Small Signal Bandwidth VOUT = 10 mV p-p, RLOAD = 500 Ω 195 MHz VOUT = 10 mV p-p, RLOAD = 50 Ω 120 MHz VOUT = 10 mV p-p, RLOAD = 10 Ω 85 MHz −3 dB Large Signal Bandwidth VOUT = 1 V p-p 195 MHz VOUT = 2 V p-p 190 MHz VOUT = 2 V p-p, RLOAD = 50 Ω 180 MHz Slew Rate VOUT = 1 V p-p 730 V/µs VOUT = 2 V p-p 725 V/µs VOUT = 2 V p-p, RLOAD = 50 Ω 620 V/µs Gain Nominal gain with internal gain setting resistors 3.0 3.52 dB Input Voltage Noise f = 10 MHz 9.5 nV/√Hz Noise Figure RS = 100 Ω (differential, 2 × 50 Ω that convert differential DAC output currents to differential voltage) 17.6 dB Output-Referred Noise Gain = 3.52 dB (1.5×), includes internal gain setting resistors 14.3 nV/√Hz Output Impedance DC to 10 MHz, VS = ±3.3 V ≤1.7 Ω Output Current RLOAD = 1 Ω, VIN = ±0.5 V ±310 mA Output Signal Range RLOAD ≥ 500 Ω VMDO ± 1.5 V VS = +5 V VMDO ± 2.3 V VS = ±5 V ±4.7 V Input Signal Range Differential input signal 2 V p-p Output Offset Voltage Gain = 3.52 dB (1.5×), maximum and minimum limits are 3σ −20 ±5 +20 mV DRIVER AMPLIFIER—DYNAMIC PERFORMANCE Harmonic Distortion VOUT = 1 V p-p HD2 f = 1 MHz −84 dBc HD3 −85 dBc HD2 f = 10 MHz −83 dBc HD3 −70 dBc Harmonic Distortion VOUT = 2 V p-p HD2 f = 1 MHz −78 dBc HD3 −76 dBc HD2 f = 10 MHz −70 dBc HD3 −58 dBc Input 1 dB Compression Point 13 dBm Multitone Power Ratio (MTPR, In-Band) RLOAD = 50 Ω, VOUT = 1.4 V p-p max, 10 tones, 2 MHz to 22 MHz with missing tone at 12 MHz (spacing 2 MHz) −49 dBc RLOAD = 50 Ω, VOUT = 1.4 V p-p max, 16 tones, 2 MHz to 38 MHz with missing tones at 10 MHz, 20 MHz, 30 MHz, and 40 MHz (spacing 2 MHz) −43 dBc Two-Tone Intermodulation Distortion (IMD3) VOUT = 1 V p-p, f1 = 10 MHz, f2 = 11 MHz −90 dBc VOUT = 2 V p-p, f1 = 10 MHz, f2 = 11 MHz −71 dBc VOUT = 1 V p-p, f1 = 45 MHz, f2 = 46 MHz −60 dBc VOUT = 2 V p-p, f1 = 45 MHz, f2 = 46 MHz −48 dBc Output Third-Order Intercept VOUT = 1 V p-p, f = 10 MHz 43 dBm VOUT = 2 V p-p, f = 10 MHz 40 dBm VOUT = 1 V p-p, f = 45 MHz 28 dBm VOUT = 2 V p-p, f = 45 MHz 28 dBm Two-Tone Intermodulation Distortion (IMD3), RLOAD = 50 Ω VOUT = 1 V p-p, f1 = 10 MHz, f2 = 11 MHz −69 dBc VOUT = 2 V p-p, f1 = 10 MHz, f2 = 11 MHz −72 dBc VOUT = 1 V p-p, f1 = 45 MHz, f2 = 46 MHz −51 dBc VOUT = 2 V p-p, f1 = 45 MHz, f2 = 46 MHz −48 dBc |
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