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