Analog Performance Specifications, −40°C < T A < +105°C - Analog Devices ADAU1961 Manual

Parameter
Total Harmonic Distortion + Noise
Line Output Mode
Headphone Output Mode
Signal-to-Noise Ratio
With A-Weighted Filter (RMS)
No Filter (RMS)
Mute Attenuation
Mixer 3 and Mixer 4 Muted
Mixer 5, Mixer 6, and Mixer 7 Muted
All Volume Controls Muted
Interchannel Gain Mismatch
Offset Error
Gain Error
Interchannel Isolation
Power Supply Rejection Ratio
DAC TO HEADPHONE/EARPIECE
OUTPUT
Full-Scale Output Voltage (0 dB)
Total Harmonic Distortion + Noise
Capless Headphone Mode
Headphone Output Mode
Interchannel Isolation
Power Supply Rejection Ratio
REFERENCE
Common-Mode Reference Output
ANALOG PERFORMANCE SPECIFICATIONS, −40°C < T
IOVDD = 3.3 V ± 10%.
Table 2.
Parameter
SINGLE-ENDED LINE INPUT
Dynamic Range
With A-Weighted Filter (RMS)
No Filter (RMS)
Total Harmonic Distortion + Noise
Input Mixer Gain per Step
Mute Attenuation
Interchannel Gain Mismatch
Offset Error
Gain Error
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Test Conditions/Comments
0 dBFS, 10 kΩ load
Line output mode
MX3RM, MX3LM, MX4RM, MX4LM = 0,
MX3AUXG[3:0], MX4AUXG[3:0] = 0000,
MX3G1[3:0], MX3G2[3:0] = 0000,
MX4G1[3:0], MX4G2[3:0] = 0000
MX5G3[1:0], MX5G4[1:0], MX6G3[1:0],
MX6G4[1:0], MX7[1:0] = 00
LOUTM, ROUTM = 0
MONOM, LHPM, RHPM = 0
1 kHz, 0 dBFS input signal
CM capacitor = 20 μF, 100 mV p-p @ 1 kHz
LOUTx, ROUTx, LHP, RHP in headphone
output mode; P = output power per
O
channel
Scales linearly with AVDD
−4 dBFS, 16 Ω load, P = 21.1 mW
O
−4 dBFS, 32 Ω load, P = 10.6 mW
O
−2 dBFS, 16 Ω load
−2 dBFS, 32 Ω load
0 dBFS, 10 kΩ load
1 kHz, 0 dBFS input signal, 32 Ω load
Referred to GND
Referred to CM (capless headphone
mode)
CM capacitor = 20 μF, 100 mV p-p @ 1 kHz
CM pin
< +105°C
A
Test Conditions/Comments
20 Hz to 20 kHz, −60 dB input
−1 dBFS
−12 dB to +6 dB range
LINPG[2:0], LINNG[2:0] = 000,
RINPG[2:0], RINNG[2:0] = 000,
MX1AUXG[2:0], MX2AUXG[2:0] = 000
Rev. 0 | Page 5 of 76
Min Typ Max
−92 −77
−89 −79
101
98
−85 −78
−89 −80
−82 −74
−74 −69
−0.3 −0.005 +0.3
−22 0 +22
−10 +3 +10
100
70
0.92 (2.60)
−82
−82
−78 −71
−75 −65
−86 −77
73
50
67
1.62 1.65 1.67
Min Typ Max
74
71
−67
2.88 3.09
−77
−0.5 +0.5
−5 +5
−22 −6
ADAU1961
Unit
dB
dB
dB
dB
dB
dB
dB
dB
dB
mV
%
dB
dB
V rms (V p-p)
dB
dB
dB
dB
dB
dB
dB
dB
V
Unit
dB
dB
dB
dB
dB
dB
mV
%