UDA1340M/N1 Просмотр технического описания (PDF) - Philips Electronics

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производитель

UDA1340M/N1

Low-voltage low-power stereo audio CODEC with DSP features

Philips Electronics 

Philips Semiconductors

Low-voltage low-power stereo audio

CODEC with DSP features

Preliminary specification

UDA1340

AC CHARACTERISTICS (ANALOG)

VDDD = VDDA = VDDO = 3 V; fi = 1 kHz; Tamb = 25 °C; RL = 5 kΩ all voltages referenced to ground

(pins 1, 11, 22 and 27); unless otherwise specified.

SYMBOL

PARAMETER

CONDITIONS

MIN. TYP. MAX. UNIT

Analog-to-digital converter

Vi(rms)

∆Vi

(THD + N)/S

input voltage (RMS value)

unbalance between channels

total harmonic distortion plus

noise-to-signal ratio

S/N

αCS

PSRR

signal-to-noise ratio

channel separation

power supply rejection ratio

Digital-to-analog converter

Vo(rms)

∆Vo

(THD + N)/S

output voltage (RMS value)

unbalance between channels

total harmonic distortion plus

noise-to-signal ratio

S/N

αcs

PSRR

signal-to-noise ratio

channel separation

power supply rejection ratio

at 0 dB

at −60 dB; A-weighted

Vi = 0 V; A-weighted

fripple = 1 kHz;

Vripple(p-p) = 30 mV

at 0 dB

at −60 dB; A-weighted

code = 0; A-weighted

fripple = 1 kHz;

Vripple(p-p) = 100 mV

−

0.8 −

V

−

0.1 −

dB

−

−85 −80 dB

−

−35 −30 dBA

−

95

−

dBA

−

100 −

dB

−

30

−

dB

−

0.8 −

V

−

0.1 −

dB

−

−85 −80 dB

−

−35 −

dBA

−

100 −

dBA

−

80

−

dB

−

50

−

dB

1997 Jul 09

16

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