AD1928
Parameter
Conditions
Min
Typ
100
0
0.375
95
Max
Unit
dB
Degrees
dB
dB
dB
Interchannel Isolation
Interchannel Phase Deviation
Volume Control Step
Volume Control Range
De-emphasis Gain Error
Output Resistance at Each Pin
REFERENCE
0.6
100
Ω
Internal Reference Voltage
External Reference Voltage
Common-Mode Reference Output
FILTR pin
FILTR pin
CM pin
1.50
1.50
1.50
V
V
V
1.32
1.68
Specifications measured at a case temperature of 130°C.
Table 2.
Parameter
Conditions
Min
Typ
Max
Unit
ANALOG-TO-DIGITAL CONVERTERS
ADC Resolution
All ADCs
24
Bits
Dynamic Range
20 Hz to 20 kHz, −60 dB input
No Filter (RMS)
95
97
102
105
−96
1.9
dB
dB
dB
V rms
%
With A-Weighted Filter (RMS)
Total Harmonic Distortion + Noise
Full-Scale Input Voltage (Differential)
Gain Error
−1 dBFS
−87
−10
+10
Interchannel Gain Mismatch
Offset Error
−0.25
−10
+0.25
+10
dB
mV
0
DIGITAL-TO-ANALOG CONVERTERS
Dynamic Range
20 Hz to 20 kHz, −60 dB input
No Filter (RMS)
98
100
104
106
108
dB
dB
dB
With A-Weighted Filter (RMS)
With A-Weighted Filter (Average)
Total Harmonic Distortion + Noise
Single-Ended Version
0 dBFS
Two channels running
Eight channels running
−92
−86
dB
dB
−70
Full-Scale Output Voltage
Gain Error
Interchannel Gain Mismatch
Offset Error
0.8775 (2.482)
V rms (V p-p)
%
dB
mV
−10
−0.2
−25
−30
+10
+0.2
+25
+30
−4
Gain Drift
ppm/°C
REFERENCE
Internal Reference Voltage
External Reference Voltage
Common-Mode Reference Output
FILTR pin
FILTR pin
CM pin
1.50
1.50
1.50
V
V
V
1.32
1.68
Rev. 0 | Page 4 of 32