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