(AVDD = +5 V ⴞ 10%; DVDD = +5 V ⴞ 10%; DGND = AGND = 0 V, f
MCLK
= 16.384 MHz,
F
S
= 64 kHz; T
A
= T
MIN
to T
MAX
, unless otherwise noted)
AD73311A
Parameter Min Typ Max Unit Test Conditions/Comments
REFERENCE
REFCAP
Absolute Voltage, V
REFCAP
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, V
REFOUT
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 VIN
2, 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 Delay
4, 5
25 µs 64 kHz Output Sample Rate
Input Resistance at VIN
2, 4
25 kΩ
6
DMCLK = 16.384 MHz
DAC SPECIFICATIONS
Maximum Voltage Output Swing
2
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 V
REFOUT
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
AD73311–SPECIFICATIONS
1
–4–
REV. B