AD1846 datasheet(3/28 Pages) AD

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DIGITAL DECIMATION AND INTERPOLATION FILTERS*

Min

Max

Units

Passband

0.4

Passband Ripple

±0.1

Transition Band

0.4

0.6

Stopband

0.6

∞

Stopband Rejection

Group Delay

30/FS

Group Delay Variation Over Passband

0.0

µs

ANALOG-TO-DIGITAL CONVERTERS

Min

Typ

Max

Units

Resolution

Bits

Dynamic Range (–60 dB Input,

THD+N Referenced to Full Scale, A-Weighted)

THD+N (Referenced to Full Scale)

0.02

–72

–70

Signal-to-Intermodulation Distortion

ADC Crosstalk*

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

–80

Input R, Ground L, Read L)

Line to MIC (Input LINE, Ground and

–80

Select MIC, Read Both Channels)

Line to AUX1

–80

Line to AUX2

–80

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

±10

Interchannel Gain Mismatch

±0.5

(Difference of Gain Errors)

ADC Offset Error

DIGITAL-TO-ANALOG CONVERTERS

Min

Typ

Max

Units

Resolution

Bits

Dynamic Range (–60 dB Input,

THD+N Referenced to Full Scale, A-Weighted)

THD+N (Referenced to Full Scale)

0.02

–73

–70

Signal-to-Intermodulation Distortion

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

±10

Interchannel Gain Mismatch

±0.5

(Difference of L and R Gain Errors)

DAC Crosstalk* (Input L, Zero R, Measure

–80

R_OUT; Input R, Zero L, Measure L_OUT)

Total Out-of-Band Energy*

–50

(Measured from 0.6

FS to 96 kHz)

Audible Out-of-Band Energy*

–70

(Measured from 0.6

FS to 20 kHz, Tested at 5.5 kHz)

*Guaranteed Not Tested.

Specifications subject to change without notice.

AD1846

REV. A

–3–

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