ADAU1966

Rev. 0 | Page 4 of 52

Specifications guaranteed at AVDDx = 5 V and an ambient temperature of 105°C. Supply voltages = AVDDx = 5 V, DVDD = 2.5 V,

Table 2.

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

DIGITAL-TO-ANALOG CONVERTERS

Dynamic Range

20 Hz to 20 kHz, −60 dB input

No Filter (RMS)

109

113.5

dB

With A-Weighted Filter (RMS)

110.5

116

dB

Total Harmonic Distortion + Noise

0 dBFS

−85

dB

Two channels running

−92.5

dB

Eight channels running

−92.5

−85

dB

Full-Scale Differential Output Voltage

AVDDx = 5.0 V

3.00 (±8.49)

V rms (V p-p)

Gain Error

−10

+10

%

Offset Error

−25

−6

+25

mV

Gain Drift

−30

+30

ppm/°C

Interchannel Isolation

100

dB

Interchannel Phase Deviation

0

Degrees

Volume Control Step

0.375

dB

Volume Control Range

95.25

dB

De-emphasis Gain Error

±0.6

dB

Output Resistance at Each Pin

100

Ω

REFERENCE

Temperature Sensor Reference Voltage

TS_REF pin, AVDDx = 5.0 V

1.50

V

Common-Mode Reference Output

CM pin, AVDDx = 5.0 V

2.14

2.25

2.29

V

External Reference Voltage Source

CM pin, AVDDx = 5.0 V

2.25

V

REGULATOR

Input Supply Voltage

VSUPPLY pin

3.0

5

5.5

V

Regulated Output Voltage

VSENSE pin

2.25

2.50

2.55

V

Specifications guaranteed at AVDDx = 3.3 V and an ambient temperature of 25°C. Supply voltages = AVDDx = 3.3 V, DVDD = 2.5 V,

Table 3.

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

DIGITAL-TO-ANALOG CONVERTERS

Dynamic Range

20 Hz to 20 kHz, −60 dB input

No Filter (RMS)

109

111

dB

With A-Weighted Filter (RMS)

111.5

113.5

dB

Total Harmonic Distortion + Noise

0 dBFS

−90

dB

Two channels running

−97

dB

Eight channels running

−97

−85

dB

Full-Scale Differential Output Voltage

AVDDx = 3.3 V

2.00 (±5.66)

V rms (V p-p)

Gain Error

−10

+10

%

Offset Error

−25

−6

+25

mV

Gain Drift

−30

+30

ppm/°C

Interchannel Isolation

100

dB

Interchannel Phase Deviation

0

Degrees

Volume Control Step

0.375

dB

Volume Control Range

95.25

dB

De-Emphasis Gain Error

±0.6

dB

Output Resistance at Each Pin

100

Ω