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0 dB

90

85

dB

60 dB; A-weighted

40

36

dB

notes 1 and 2 stand-alone mode

1.0

V

0 dB 60 dB; A-weighted double differential mode

85 37

80 33

dB dB

Vo(rms)

output voltage (RMS value)

supply voltage = 3 V; note 3

900

mV

(THD+N)/S

total harmonic distortion-plus-noise

0 dB

91

86

dB

to signal ratio

60 dB; A-weighted

40

dB

S/N

signal-to-noise ratio

code = 0; A-weighted

100

dB

αcs

channel separation

100

dB

2.4

3.0

3.6

V

2.4

3.0

3.6

V

2.4

3.0

3.6

V

12.5

mA

6.0

mA

7.0

mA

50

μA

7.0

mA

20

+85

°C

S/N

signal-to-noise ratio

αcs

channel separation

Programmable gain amplifier

(THD + N)/S total harmonic distortion-plus-noise to signal ratio

S/N

signal-to-noise ratio

Digital-to-analog converter

Notes

1. The ADC inputs can be used in a 2 V (RMS value) input signal configuration when a resistor of 12 kΩ is used in series with the inputs and 1 or 2 V (RMS value) input signal operation can be selected via the Input Gain Switch (IGS).

  • 2.

    The ADC input signal scales inversely proportional with the power supply voltage.

  • 3.

    The DAC output voltage scales linear with the DAC analog supply voltage.

2002 May 16

4

stand-alone mode

97

dB

double differential mode

100

dB

100

dB

NXP Semiconductors

Economy audio CODEC for MiniDisc (MD) home stereo and portable applications

Product specification

85

dB

37

dB

95

dB

4

QUICK REFERENCE DATA

IDDD T amb

digital supply current operating ambient temperature

Analog-to-digital converter

Vi(rms)

input voltage (RMS value)

(THD + N)/S total harmonic distortion-plus-noise to signal ratio

CONDITIONS

operation mode ADC power-down operation mode DAC power-down operation mode

UDA1341TS

MIN.

TYP.

MAX.

UNIT

Vi = 0 V; A-weighted

1 kHz; fs = 44.1 kHz

  • 0

    dB

60 dB; A-weighted Vi = 0 V; A-weighted

SYMBOL PARAMETER Supplies

VDDA(ADC) V V I

DDA(DAC)

DDD

DDA(ADC)

ADC analog supply voltage DAC analog supply voltage digital supply voltage ADC analog supply current

IDDA(DAC)

DAC analog supply current

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