adau1381 Analog Devices, Inc., adau1381 Datasheet - Page 7
adau1381
Manufacturer Part Number
adau1381
Description
Low-noise Stereo Codec With Enhanced Recording And Playback Processing
Manufacturer
Analog Devices, Inc.
Datasheet
1.ADAU1381.pdf
(84 pages)
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Parameter
DAC TO SPEAKER OUTPUT PATH
BEEP TO SPEAKER OUTPUT PATH
Dynamic Range
Total Harmonic Distortion + Noise
Signal-to-Noise Ratio
Power Supply Rejection Ratio
Gain Error
Interchannel Gain Mismatch
Offset Error
Differential Full-Scale Output Voltage
Total Harmonic Distortion + Noise
Dynamic Range
Signal-to-Noise Ratio
Power Supply Rejection Ratio
Differential Offset Error
Mono Mixer Mute Attenuation,
Differential Full-Scale Output Voltage
(0 dB)
DAC to Mixer Path Muted
(0 dB)
With A-Weighted Filter (RMS)
No Filter (RMS)
With A-Weighted Filter (RMS)
No Filter (RMS)
4 Ω Load
8 Ω Load
With A-Weighted Filter (RMS)
No Filter (RMS)
With A-Weighted Filter (RMS)
No Filter (RMS)
AVDD = 1.8 V
AVDD = 3.3 V
AVDD = 1.8 V
AVDD = 3.3 V
AVDD = 1.8 V
AVDD = 3.3 V
AVDD = 1.8 V
AVDD = 3.3 V
AVDD = 1.8 V
AVDD = 3.3 V
CM capacitor = 10 μF
AVDD = 3.3 V, 100 mV p-p at 217 Hz
AVDD = 3.3 V, 100 mV p-p at 1 kHz
AVDD = 3.3 V
AVDD = 3.3 V
P
Scales linearly with AVDD
AVDD = 1.8 V
AVDD = 3.3 V
AVDD = 3.3 V, P
AVDD = 3.3 V, P
AVDD = 3.3 V, P
AVDD = 3.3 V, P
AVDD = 1.8 V
AVDD = 3.3 V
AVDD = 1.8 V
AVDD = 3.3 V
AVDD = 1.8 V
AVDD = 3.3 V
AVDD = 1.8 V
AVDD = 3.3 V
CM capacitor = 10 μF
AVDD = 3.3 V,100 mV p-p at 217 Hz
AVDD = 3.3 V, 100 mV p-p at 1 kHz
AVDD = 3.3 V
Mute set by Register 0x401F, Bit 0
P
Scales linearly with AVDD
AVDD = 1.8 V
AVDD = 3.3 V
Test Conditions/Comments
−60 dB input
−3 dBFS
AVDD = 3.3 V
AVDD = 1.8 V, P
AVDD = 1.8 V, P
−60 dB input
O
O
= output power
= output power
O
O
O
O
O
O
= 50 mW
= 175 mW
= 50 mW
= 175 mW
= 330 mW
= 440 mW
Rev. A| Page 7 of 84
Min
94
92
94
92
Typ
99
103
97
100
−88
−88
99
103
97
100
−55
−63
−1
50
10
AVDD/1.65
1.1 (3.12)
2.0 (5.66)
−60
−60
−60
−60
−60
−16
100
105
98
103
100
105
98
103
−55
−55
2
−90
AVDD/1.65
1.1 (3.12)
2.0 (5.66)
Max
ADAU1381
Unit
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
mdB
mV
V rms
V rms (V p-p)
V rms (V p-p)
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
mV
dB
V rms
V rms (V p-p)
V rms (V p-p)
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