Datasheet

–2–
REV. B
AD73311–SPECIFICATIONS
1
AD73311A
Parameter Min Typ Max Unit Test Conditions/Comments
REFERENCE 5VEN = 0
REFCAP
Absolute Voltage, V
REFCAP
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, V
REFOUT
1.08 1.2 1.32 V Unloaded
Minimum Load Resistance 1 kΩ
Maximum Load Capacitance 100 pF
ADC SPECIFICATIONS
Maximum Input Range at VIN
2, 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 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 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
(AVDD = +3 V ⴞ 10%; DVDD = +3 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)