(AVDD = DVDD = 2.7 V to 3.3 V; DGND = AGND = 0 V, fDMCLK = 16.384 MHz,
FS = 8 kHz; TA = TMIN to TMAX, unless otherwise noted.)
AD73311L–SPECIFICATIONS1
AD73311LA
Typ
Parameter
Min
Max
Unit
Test Conditions/Comments
REFERENCE
REFCAP
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
145
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
1.0954
–6.02
V p-p
dBm
V p-p
dBm
Measured Differentially
Max Input = (1.578/1.2) × VREFCAP
Measured Differentially
Nominal Reference Level at VIN
(0 dBm0)
Absolute Gain
PGA = 0 dB
PGA = 38 dB
Gain Tracking Error
Signal to (Noise + Distortion)
PGA = 0 dB
–2.2
–0.6
–1.0
0.1
+1.0
dB
dB
dB
1.0 kHz, 0 dBm0
1.0 kHz, 0 dBm0
1.0 kHz, +3 dBm0 to –50 dBm0
Refer to Figure 5a
300 Hz to 3400 Hz
71
70
76
74
72
56
60
59
dB
dB
dB
dB
dB
dB
0 Hz to fSAMP/2
300 Hz to 3400 Hz; fSAMP = 64 kHz
0 Hz to fSAMP/2; fSAMP = 64 kHz
300 Hz to 3.4 kHz
PGA = 38 dB
0 Hz to fSAMP/2
Total Harmonic Distortion
PGA = 0 dB
PGA = 38 dB
Intermodulation Distortion
Idle Channel Noise
Crosstalk
–85
–85
–82
–76
–100
–75
dB
dB
dB
dBm0
dB
300 Hz to 3.4 kHz
300 Hz to 3.4 kHz
PGA = 0 dB
PGA = 0 dB
ADC Input Signal Level: 1.0 kHz, 0 dBm0
DAC Input at Idle
DC Offset
Power Supply Rejection
–20
+2
–84
+25
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
45
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
PGA = 6 dB
Max Output = (1.578/1.2) × VREFCAP
PGA = 6 dB
Differential
Max Output = 2 × ((1.578/1.2) × VREFCAP
Nominal Voltage Output Swing (0 dBm0)
Single-Ended
1.0954
–6.02
2.1909
0
1.2
–0.7
V p-p
dBm
V p-p
dBm
V
PGA = 6 dB
PGA = 6 dB
Differential
Output Bias Voltage4
Absolute Gain
1.08
–1.8
1.32
+0.4
REFOUT Unloaded
1.0 kHz, 0 dBm0
dB
Gain Tracking Error
Signal to (Noise + Distortion)
PGA = 0 dB
0.1
dB
1.0 kHz, +3 dBm0 to –50 dBm0
Refer to Figure 5b
300 Hz to 3.4 kHz Frequency Range
300 Hz to 3400 Hz; fSAMP = 64 kHz
300 Hz to 3.4 kHz Frequency Range
300 Hz to 3400 Hz; fSAMP = 64 kHz
70
77
76
77
77
dB
dB
dB
dB
PGA = 6 dB
Total Harmonic Distortion
PGA = 0 dB
PGA = 6 dB
Intermodulation Distortion
Idle Channel Noise
Crosstalk
–80
–80
–76
–82
–100
–70
dB
dB
dB
dBm0
dB
PGA = 0 dB
PGA = 0 dB
ADC Input Signal Level: AGND; DAC
Output Signal Level: 1.0 kHz, 0 dBm0
–2–
REV. A