AD1849KP 查看數據表（PDF） - Analog Devices

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AD1849KP

Serial-Port 16-Bit SoundPort® Stereo Codec

Analog Devices 

ANALOG-TO-DIGITAL CONVERTERS

Resolution*

ADC Dynamic Range, A-Weighted

Line and Mic with 0 dB Gain (–60 dB Input,

THD+N Referenced to Full Scale)

Mic with 20 dB Gain (–60 dB Input,

THD+N Referenced to Full Scale)

ADC THD+N, (Referenced to Full Scale)

Line and Mic with 0 dB Gain

Mic with 20 dB Gain

ADC Crosstalk

Line to Line (Input L, Ground R,

Read R; Input R, Ground L, Read L)

Line to Mic (Input LINL & R,

Ground and Select MINL & R,

Read Both Channels)

Gain Error (Full-Scale Span Relative to Nominal)

ADC Interchannel Gain Mismatch (Line and Mic)

(Difference of Gain Errors)

DIGITAL-TO-ANALOG CONVERTERS

Resolution*

DAC Dynamic Range

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

DAC THD+N (Referenced to Full Scale)

Line 0 and 1 (10 kΩ Load)

Line 1 (48 Ω Load)

Mono Speaker (48 Ω Load)

DAC Crosstalk (Input L, Zero R, Measure

LOUT0R and 1R; Input R, Zero L,

Measure LOUT0L and 1L)

Gain Error (Full-Scale Span Relative to Nominal)

DAC Interchannel Gain Mismatch (Line 0 and 1)

(Difference of Gain Errors)

Total Out-of-Band Energy*

(Measured from 0.55 × FS to 100 kHz)

Audible Out-of-Band Energy*

(Measured from 0.55 FS to 22 kHz,

All Selectable Sampling Frequencies)

*Guaranteed, not tested.

Min

74

72

Min

80

Typ

16

83

74

0.013

–78

0.032

–70

Typ

16

86

0.010

–80

0.022

–73

0.045

–67

AD1849K

Max

Unit

Bits

dB

dB

0.020

%

–72

dB

0.056

%

–65

dB

–80

dB

–60

dB

0.75

dB

0.3

dB

Max

0.020

–74

0.100

–60

0.100

–60

–80

0.75

0.3

–60

–72

Unit

Bits

dB

%

dB

%

dB

%

dB

dB

dB

dB

dB

dB

REV. A

–3–

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