Philips Semiconductors
Quadruple filter DAC
Product specification
TDA1314T
AC CHARACTERISTICS
VDDD = VDDA = VDDO = 5 V; Tamb = 25 °C; all voltages referenced to ground (pins 6, 7 and 15) measured in test circuit of
Fig.5; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
ANALOG
DACS
SVRR
∆IO(DAC)
supply voltage ripple
fripple = 1 kHz;
30
rejection pins 9 and 16 Vripple = 100 mV (peak);
CVref = 22 µF
maximum deviation of maximum volume
−
output level of the 4 DAC
output currents with
respect to the average of
the 4 outputs
αDAC
crosstalk between the 2 outputs at digital
−
4 DAC current outputs silence; 2 outputs at
maximum volume
RES
DAC resolution
−
(THD + N)/S total harmonic distortion fi = 1 kHz; 0 dB signal
−
plus noise-to-signal ratio fi = 1 kHz; −60 dB signal; −
A-weighted
DR
dynamic range
fi = 1 kHz; −60 dB signal; 92
A-weighted
DS
digital silence
fi = 20 Hz to 17 kHz;
−
A-weighted
46
−
dB
−
0.38
dB
−90
−60
dB
−
18
bits
−66
−56
dB
−36
−32
dB
96
−
dB
−110
−100
dB
Operational amplifiers
Gv
open loop voltage gain
−
PSRR
power supply ripple
rejection
fripple = 3 kHz;
−
Vripple = 100 mV (peak)
(THD + N)/S total harmonic distortion RL > 5 kΩ (AC);
−
plus noise as a function Rfb = 3 kΩ;
of the operational
VO = 0.28 V (p-p);
amplifiers signal
fi = 1 kHz; A-weighted
fug
unity gain frequency
open loop
−
Zo
output impedance
RL > 5 kΩ
−
85
−
dB
90
−
dB
−82
−
dB
4.5
−
1.5
150
MHz
Ω
August 1994
10