ANALOG-TO-DIGITAL CONVERTERS

Parameter

Min

Typ

Max

Units

Resolution

16

Bits

Dynamic Range (–60 dB Input THD+N Referenced to Full Scale,

80

86

dB

A-Weighted)

THD+N (Referenced to Full Scale)

0.02

%

–78

–74

dB

Signal-to-Intermodulation Distortion* (CCIF Method)

80

dB

ADC Crosstalk*

Line Inputs (Input L, Ground R, Read R; Input R, Ground L, Read L)

–90

–80

dB

Line to MIC (Input LINE, Ground and Select MIC, Read ADC)

–90

–80

dB

Line to AUX1

–90

–80

dB

Line to AUX2

–90

–80

dB

Gain Error (Full-Scale Span Relative to Nominal Input Voltage)

±10

%

Interchannel Gain Mismatch (Difference of Gain Errors)

±0.5

dB

ADC Offset Error

10

mV

DIGITAL-TO-ANALOG CONVERTERS

Parameter

Min

Typ

Max

Units

Resolution

16

Bits

Dynamic Range (–60 dB Input THD+N Referenced to Full Scale,

74

81

dB

A-Weighted)

THD+N (Referenced to Full Scale)

0.022

%

–77

–73

dB

Signal-to-Intermodulation Distortion* (CCIF Method)

90

dB

Gain Error (Full-Scale Span Relative to Nominal Input Voltage)

±15

%

Interchannel Gain Mismatch (Difference of Gain Errors)

±0.5

dB

DAC Crosstalk* (Input L, Zero R, Measure R_OUT; Input R,

–90

–80

dB

Zero L, Measure L_OUT)

Total Out-of-Band Energy (Measured from 0.6

× F

–60

dB

Audible Out-of-Band Energy (Measured from 0.6

× F

–70

dB

DAC ATTENUATOR

Parameter

Min

Typ

Max

Units

Step Size (0 dB to –22.5 dB)

1.3

1.5

1.7

dB

Step Size (–22.5 dB to –94.5 dB)*

1.0

1.5

2.0

dB

Output Attenuation Range Span*

93.5

94.5

95.5

dB

Mute Attenuation of 0 dB Fundamental*

80

dB

DIGITAL MIX ATTENUATOR

Parameter

Min

Typ

Max

Units

Step Size (0 dB to –22.5 dB)

1.3

1.5

1.7

dB

Step Size (–22.5 dB to –94.5 dB)*

1.0

1.5

2.0

dB

Digital Mix Attenuation Range Span*

93.5

94.5

95.5

dB

*Guaranteed not tested.

Specifications subject to change without notice.

AD1812

REV. 0

–3–