Datasheet AD73311 (Analog Devices) - 2

AD73311–SPECIFICATIONS1 (AVDD = +3 V
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10%; DVDD = +3 V
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10%; DGND = AGND = 0 V, fMCLK = 16.384 MHz, FS = 64 kHz; TA = TMIN to TMAX, unless otherwise noted) AD73311A Parameter Min Typ Max Unit Test Conditions/Comments
REFERENCE 5VEN = 0 REFCAP Absolute Voltage, VREFCAP 1.08 1.2 1.32 V REFCAP TC 50 ppm/°C 0.1 µF Capacitor Required from REFOUT REFCAP to AGND2 Typical Output Impedance 68 Ω Absolute Voltage, VREFOUT 1.08 1.2 1.32 V Unloaded Minimum Load Resistance 1 kΩ Maximum Load Capacitance 100 pF ADC SPECIFICATIONS Maximum Input Range at VIN2, 3 1.578 V p-p 5VEN = 0, Measured Differentially –2.85 dBm Nominal Reference Level at VIN 1.0954 V p-p 5VEN = 0, Measured Differentially (0 dBm0) –6.02 dBm Absolute Gain PGA = 0 dB –0.75 0.1 +1.0 dB 1.0 kHz, 0 dBm0 PGA = 38 dB –1.5 –0.5 +0.5 dB 1.0 kHz, 0 dBm0 Gain Tracking Error ±0.1 dB 1.0 kHz, +3 dBm0 to –50 dBm0 Signal to (Noise + Distortion) Refer to Figure 5 PGA = 0 dB 70 76 dB 300 Hz to 3.4 kHz Frequency Range 55 56 dB 0 Hz to 32 kHz Frequency Range PGA = 38 dB 61 65 dB 300 Hz to 3.4 kHz Frequency Range 53 54 dB 0 Hz to 32 kHz Frequency Range Total Harmonic Distortion PGA = 0 dB –83 –70 dB PGA = 38 dB –83 –70 dB Intermodulation Distortion –78 dB PGA = 0 dB Idle Channel Noise –76 dBm0 PGA = 0 dB Crosstalk –100 dB ADC Input Signal Level: 1.0 kHz, 0 dBm0 DAC Input at Idle DC Offset –20 +15 +50 mV PGA = 0 dB Power Supply Rejection –55 dB Input Signal Level at AVDD and DVDD Pins 1.0 kHz, 100 mV p-p Sine Wave Group Delay4, 5 25 µs 64 kHz Output Sample Rate Input Resistance at VIN2, 4 25 kΩ6 DMCLK = 16.384 MHz DAC SPECIFICATIONS Maximum Voltage Output Swing2 Single Ended 1.578 V p-p 5VEN = 0, PGA = 6 dB –2.85 dBm Differential 3.156 V p-p 5VEN = 0, PGA = 6 dB 3.17 dBm Nominal Voltage Output Swing (0 dBm0) Single-Ended 1.0954 V p-p 5VEN = 0, PGA = 6 dB –6.02 dBm Differential 2.1909 V p-p 5VEN = 0, PGA = 6 dB 0 dBm Output Bias Voltage 1.08 1.2 1.32 V 5VEN = 0, REFOUT Unloaded Absolute Gain –0.75 +0.2 +1.0 dB 1.0 kHz, 0 dBm0 Gain Tracking Error ±0.1 dB 1.0 kHz, +3 dBm0 to –50 dBm0 Signal to (Noise + Distortion) AVDD = +3 V ± 5%; Refer to Figure 5 PGA = 0 dB 62.5 70 dB 300 Hz to 3.4 kHz Frequency Range 62.5 dB 0 Hz to 32 kHz Frequency Range PGA = 6 dB 62.5 71 dB 300 Hz to 3.4 kHz Frequency Range 62.5 dB 0 Hz to 32 kHz Frequency Range Total Harmonic Distortion AVDD = +3 V ± 5% PGA = 0 dB –70 –62.5 dB PGA = 6 dB –70 –62.5 dB Intermodulation Distortion –68 dB PGA = 0 dB Idle Channel Noise –82 dBm0 PGA = 0 dB Crosstalk –100 dB ADC Input Signal Level: AGND; DAC Output Signal Level: 1.0 kHz, 0 dBm0 –2– REV. B