UDA1345 PHILIPS [NXP Semiconductors], UDA1345 Datasheet - Page 19

• Manufacturer Part Number: UDA1345
• Description: Economy audio CODEC
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
AC CHARACTERISTICS (ANALOG)
V
(pins 1, 11, 22 and 27); unless otherwise specified.
Notes
1. The input voltage can be up to 2 V (RMS) when the current through the ADC input pin is limited to approximately
2. The input voltage to the ADC scales proportionally with the power supply voltage.
3. The output voltage of the DAC scales proportionally with the power supply voltage.
2000 Apr 18
Analog-to-digital converter
V
(THD + N)/S total harmonic distortion plus
S/N
PSRR
Digital-to-analog converter
V
(THD + N)/S total harmonic distortion plus
S/N
PSRR
DDD
V
V
SYMBOL
i(rms)
cs
o(rms)
cs
Economy audio CODEC
i
o
1 mA by using a series resistor.
= V
DDA
= V
input voltage (RMS value)
unbalance between channels
noise-to-signal ratio
signal-to-noise ratio
channel separation
power supply rejection ratio
output voltage (RMS value)
unbalance between channels
noise-to-signal ratio
signal-to-noise ratio
channel separation
power supply rejection ratio
DDO
= 3.0 V; f
PARAMETER
i
= 1 kHz; f
s
= 44.1 kHz; T
notes 1 and 2
at 0 dB
at 60 dB; A-weighted
V
f
V
note 3
at 0 dB
at 60 dB; A-weighted
code = 0; A-weighted
f
V
ripple
ripple
i
ripple(p-p)
ripple(p-p)
f
f
f
f
f
f
f
f
f
f
f
f
= 0 V; A-weighted
s
s
s
s
s
s
s
s
s
s
s
s
amb
= 44.1 kHz
= 96 kHz
= 44.1 kHz
= 96 kHz
= 44.1 kHz
= 96 kHz
= 44.1 kHz
= 96 kHz
= 44.1 kHz
= 96 kHz
= 44.1 kHz
= 96 kHz
= 1 kHz;
= 1 kHz;
19
CONDITIONS
= 25 C; R
= 1%
= 1%
L
= 5 k ; all voltages referenced to ground
90
90
90
90
MIN.
1.0
0.1
96
94
100
30
900
0.1
100
98
100
60
85
80
36
34
85
80
37
35
TYP.
Preliminary specification
UDA1345TS
MAX.
80
75
30
30
80
71
30
30
V
dB
dB
dB
dB
dB
dB
dB
dB
dB
mV
dB
dB
dB
dB
dB
dB
dB
dB
dB
UNIT