Datasheet AD73311 (Analog Devices) - 4

(AVDD = +5 V
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10%; DVDD = +5 V
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10%; DGND = AGND = 0 V, fMCLK = 16.384 MHz, AD73311–SPECIFICATIONS1 FS = 64 kHz; TA = TMIN to TMAX, unless otherwise noted) AD73311A Parameter Min Typ Max Unit Test Conditions/Comments
REFERENCE REFCAP Absolute Voltage, VREFCAP 1.2 V 5VEN = 0 2.4 V 5VEN = 1 REFCAP TC 50 ppm/°C 0.1 µF Capacitor Required from REFOUT REFCAP to AGND2 Typical Output Impedance 68 Ω Absolute Voltage, VREFOUT 1.2 V 5VEN = 0, Unloaded 2.4 V 5VEN = 1, Unloaded Minimum Load Resistance 2 kΩ 5VEN = 1 Maximum Load Capacitance 100 pF ADC SPECIFICATIONS Maximum Input Range at VIN2, 3 3.156 V p-p 5VEN = 1, Measured Differentially 3.17 dBm Nominal Reference Level at VIN 2.1908 V p-p 5VEN = 1, Measured Differentially (0 dBm0) 0 dBm Absolute Gain PGA = 0 dB 0.1 dB 1.0 kHz, 0 dBm0 PGA = 38 dB –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 76 dB 300 Hz to 3.4 kHz Frequency Range 59 dB 0 Hz to 32 kHz Frequency Range PGA = 38 dB 71 dB 300 Hz to 3.4 kHz Frequency Range 57 dB 0 Hz to 32 kHz Frequency Range Total Harmonic Distortion PGA = 0 dB –76 dB PGA = 38 dB –69 dB Intermodulation Distortion –69 dB PGA = 0 dB Idle Channel Noise –67 dBm0 PGA = 0 dB Crosstalk –80 dB ADC Input Signal Level: 1.0 kHz, 0 dBm0 DAC Input at Idle DC Offset +20 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 3.156 V p-p 5VEN = 1, PGA = 6 dB 3.17 dBm Differential 6.312 V p-p 5VEN = 1, PGA = 6 dB 9.19 dBm Nominal Voltage Output Swing (0 dBm0) Single-Ended 2.1908 V p-p 5VEN = 1, PGA = 6 dB 0 dBm Differential 4.3918 V p-p 5VEN = 1, PGA = 6 dB 6.02 dBm Output Bias Voltage VREFOUT V typ 5VEN = 1, REFOUT Unloaded Absolute Gain ±0.4 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 66 dB 300 Hz to 3.4 kHz Frequency Range 64 dB 0 Hz to 32 kHz Frequency Range PGA = 6 dB 66 dB 300 Hz to 3.4 kHz Frequency Range 64 dB 0 Hz to 32 kHz Frequency Range Total Harmonic Distortion PGA = 0 dB –62.5 dB PGA = 6 dB –62.5 dB Intermodulation Distortion –60 dB PGA = 0 Idle Channel Noise –75 dBm0 PGA = 0 Crosstalk –80 dB ADC Input Signal Level: AGND; DAC Output Signal Level: 1.0 kHz, 0 dBm0 –4– REV. B