Datasheet

–3–REV. B
AD73322
AD73322A
Parameter Min Typ Max Units Test Conditions/Comments
DAC SPECIFICATIONS 5VEN = 0
Maximum Voltage Output Swing
2
Single-Ended 1.578 V p-p PGA = 6 dB
–2.85 dBm Max Output = (1.578/1.2) × VREFCAP
Differential 3.156 V p-p PGA = 6 dB
3.17 dBm Max Output = 2 × ([1.578/1.2] × VREFCAP)
Nominal Voltage Output Swing (0 dBm0)
Single-Ended 1.0954 V p-p PGA = 6 dB
–6.02 dBm
Differential 2.1909 V p-p PGA = 6 dB
0 dBm
Output Bias Voltage 1.2 V REFOUT Unloaded
Absolute Gain –0.8 +0.4 +1.2 dB 1.0 kHz, 0 dBm0; Unloaded
Gain Tracking Error ±0.1 dB 1.0 kHz, +3 dBm0 to –50 dBm0
Signal to (Noise + Distortion) at 0 dBm0 Refer to Figure 6; AVDD = 3.0 V ± 5%
PGA = 6 dB 62.5 77 dB 300 Hz to 3400 Hz; f
SAMP
= 64 kHz
Total Harmonic Distortion at 0 dBm0 AVDD = 3.00 V ± 5%
PGA = 6 dB –80 –62.5 dB 300 Hz to 3400 Hz; f
SAMP
= 64 kHz
Intermodulation Distortion –85 dB PGA = 0 dB
Idle Channel Noise –85 dBm0 PGA = 0 dB
Crosstalk DAC-to-ADC –90 dB ADC Input Signal Level: AGND; DAC
Output Signal Level: 1.0 kHz, 0 dBm0
Input Amplifiers Bypassed
–77 dB Input Amplifiers Included in Input Channel
DAC-to-DAC –100 dB DAC1 Output Signal Level: AGND; DAC2
Output Signal Level: 1.0 kHz, 0 dBm0
Power Supply Rejection –65 dB Input Signal Level at AVDD and DVDD
Pins: 1.0 kHz, 100 mV p-p Sine Wave
Group Delay
4, 5
25 µs Interpolator Bypassed
50 µs
Output DC Offset
2, 7
–25 +12 +40 mV
Minimum Load Resistance, R
L
2, 8
Single-Ended
4
150 Ω
Differential 150 Ω
Maximum Load Capacitance, C
L
2, 8
Single-Ended 500 pF
Differential 100 pF
FREQUENCY RESPONSE
(ADC and DAC)
9
Typical Output
Frequency (Normalized to FS)
00dB
0.03125 –0.1 dB
0.0625 –0.25 dB
0.125 –0.6 dB
0.1875 –1.4 dB
0.25 –2.8 dB
0.3125 –4.5 dB
0.375 –7.0 dB
0.4375 –9.5 dB
> 0.5 < –12.5 dB