ADAU1961_17 datasheet(7/77 Pages) AD

Teilenummer	ADAU1961

Bauteilbeschribung	Audio Codec with Integrated PLL

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ADAU1961

Data Sheet

Rev. A | Page 6 of 76

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

PSEUDO-DIFFERENTIAL PGA INPUT

Dynamic Range

20 Hz to 20 kHz, −60 dB input

With A-Weighted Filter (RMS)

94

dB

No Filter (RMS)

91

dB

Total Harmonic Distortion + Noise

−1 dBFS

−75

dB

PGA Boost Gain Error

20 dB gain setting (RDBOOST[1:0],

LDBOOST[1:0] = 10)

−11

−7

dB

Mute Attenuation

PGA muted

LDMUTE, RDMUTE = 0

−73

dB

RDBOOST[1:0], LDBOOST[1:0] = 00

−82

dB

Interchannel Gain Mismatch

−0.6

+0.6

dB

Offset Error

−6

+6

mV

Gain Error

−24

−3

%

Common-Mode Rejection Ratio

100 mV rms, 1 kHz

−64

−38

dB

100 mV rms, 20 kHz

−53

−43

dB

FULL DIFFERENTIAL PGA INPUT

Differential PGA inputs

Dynamic Range

20 Hz to 20 kHz, −60 dB input

With A-Weighted Filter (RMS)

89

dB

No Filter (RMS)

86

dB

Total Harmonic Distortion + Noise

−1 dBFS

−70

dB

PGA Boost Gain Error

20 dB gain setting (RDBOOST[1:0],

LDBOOST[1:0] = 10)

−11

−7

dB

Mute Attenuation

PGA muted

LDMUTE, RDMUTE = 0

−73

dB

RDBOOST[1:0], LDBOOST[1:0] = 00

−82

dB

Interchannel Gain Mismatch

−0.4

+0.4

dB

Offset Error

−6

+6

mV

Gain Error

−21

−7

%

Common-Mode Rejection Ratio

100 mV rms, 1 kHz

−64

−38

dB

100 mV rms, 20 kHz

−53

−43

dB

MICROPHONE BIAS

MBIEN = 1

Bias Voltage

0.65 × AVDD

MBI = 1, MPERF = 0

1.85

2.45

V

MBI = 1, MPERF = 1

1.87

2.45

V

0.90 × AVDD

MBI = 0, MPERF = 0

2.65

3.40

V

MBI = 0, MPERF = 1

2.65

3.40

V

Noise in the Signal Bandwidth

1 kHz to 20 kHz

11

36

nV/√Hz

DAC TO LINE OUTPUT

Dynamic Range

20 Hz to 20 kHz, −60 dB input, line

output mode

With A-Weighted Filter (RMS)

85

dB

No Filter (RMS)

78

dB

Total Harmonic Distortion + Noise

0 dBFS, 10 kΩ load

Line Output Mode

−76

dB

Headphone Output Mode

−78

dB

Mute Attenuation

Mixer 3 and Mixer 4 Muted

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

−77

dB

Mixer 5, Mixer 6, and Mixer 7 Muted

MX5G3[1:0], MX5G4[1:0], MX6G3[1:0],

MX6G4[1:0], MX7[1:0] = 00

−77

dB

All Volume Controls Muted

LOUTM, ROUTM = 0

−74

dB

MONOM, LHPM, RHPM = 0

−69

dB

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