UDA1328 datasheet(18/28 Pages) PHILIPS

18 / 28 page

2000 Jan 04

Philips Semiconductors

Preliminary speciﬁcation

Multi-channel ﬁlter DAC

UDA1328T

15 AC CHARACTERISTICS (ANALOG)

VDDD =VDDA = 3.3 V; fi = 1 kHz; Tamb =25 °C; RL =5kΩ. All voltages referenced to ground (pins 3 and 20); unless

otherwise speciﬁed.

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

DAC: channels 1 and 2 in differential mode

Vo(rms)

output voltage (RMS value)

−

∆V

unbalance between channels

−

0.1

−

(THD + N)/S

total harmonic distortion plus

noise-to-signal ratio

fs = 48 kHz; at 0 dB

−−95

−88

fs = 48 kHz; at −60 dB; A-weighted −−46

−

fs = 96 kHz; at 0 dB

−−90

−

fs = 96 kHz; at −60 dB; A-weighted −−44

−

S/N

signal-to-noise ratio

fs = 48 kHz; code = 0; A-weighted

−

106

−

fs = 96 kHz; code = 0; A-weighted

−

104

−

DAC: channels 3 to 6

Vo(rms)

output voltage (RMS value)

−

∆V

unbalance between channels

−

0.1

−

(THD + N)/S

total harmonic distortion plus

noise-to-signal ratio

fs = 48 kHz; at 0 dB

−−90

−83

fs = 48 kHz; at −60 dB; A-weighted −−43

−

fs = 96 kHz; at 0 dB

−−85

−

fs = 96 kHz; at −60 dB; A-weighted −−41

−

S/N

signal-to-noise ratio

fs = 48 kHz; code = 0; A-weighted

−

103

−

fs = 96 kHz; code = 0; A-weighted

−

101

−

PSRR

power supply rejection ratio

fripple = 1 kHz; Vripple(p-p) = 100 mV

−

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