ADAU1761 View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
ADAU1761 Datasheet PDF : 92 Pages
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Parameter
Test Conditions/Comments
Min
DAC TO HEADPHONE/EARPIECE
OUTPUT
PO = output power per channel
Full-Scale Output Voltage (0 dB)
Scales linearly with AVDD
AVDD = 1.8 V
AVDD = 3.3 V
Total Harmonic Distortion + Noise −4 dBFS
16 Ω load
AVDD = 1.8 V, PO = 6.4 mW
AVDD = 3.3 V, PO = 21.1 mW
32 Ω load
AVDD = 1.8 V, PO = 3.8 mW
AVDD = 3.3 V, PO = 10.6 mW
Power Supply Rejection Ratio
CM capacitor = 20 μF
100 mV p-p @ 217 Hz
100 mV p-p @ 1 kHz
Interchannel Isolation
1 kHz, 0 dBFS input signal, 32 Ω load,
AVDD = 3.3 V
Referred to GND
Referred to CM (capless headphone
mode)
REFERENCE
Common-Mode Reference Output CM pin
POWER SUPPLY SPECIFICATIONS
Table 2.
Parameter
SUPPLIES
Voltage
Digital I/O Current (IOVDD = 1.8 V)
Slave Mode
Master Mode
Digital I/O Current (IOVDD = 3.3 V)
Slave Mode
Master Mode
Analog Current (AVDD)
Test Conditions/Comments
Min
DVDDOUT
AVDD
1.8
IOVDD
1.63
20 pF capacitive load on all digital pins
fS = 48 kHz
fS = 96 kHz
fS = 8 kHz
fS = 48 kHz
fS = 96 kHz
fS = 8 kHz
20 pF capacitive load on all digital pins
fS = 48 kHz
fS = 96 kHz
fS = 8 kHz
fS = 48 kHz
fS = 96 kHz
fS = 8 kHz
See Table 3
ADAU1761
Typ
Max
Unit
AVDD/3.3
0.50 (1.41)
0.92 (2.60)
−76
−82
−82
−82
56
67
V rms
V rms (V p-p)
V rms (V p-p)
dB
dB
dB
dB
dB
dB
73
dB
50
dB
AVDD/2
V
Typ
Max
Unit
1.56
V
3.3
3.65
V
3.3
3.65
V
0.25
mA
0.48
mA
0.07
mA
0.62
mA
1.23
mA
0.11
mA
0.48
mA
0.9
mA
0.13
mA
1.51
mA
3
mA
0.27
mA
Rev. C | Page 7 of 92
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