UDA1344 PHILIPS [NXP Semiconductors], UDA1344 Datasheet - Page 17

• Manufacturer Part Number: UDA1344
• Description: Low-voltage low-power stereo audio CODEC with DSP features
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
Notes
1. All power supply pins (V
2. When higher capacitive loads must be driven, a 100
2000 Feb 04
Digital outputs
V
V
Three-level inputs: pins MP2 and MP4
V
V
V
Analog-to-digital converter
V
R
R
C
Digital-to-analog converter
V
R
R
I
R
C
SYMBOL
o(max)
OH
OL
IH
IM
IL
ref(A)
ref(D)
o(refA)
i
i
o(refD)
o
L
L
Low-voltage low-power stereo audio
CODEC with DSP features
order to prevent oscillations in the output operational amplifier.
HIGH-level output voltage
LOW-level output voltage
HIGH-level input voltage
MIDDLE-level input voltage
LOW-level input voltage
reference voltage
output resistance on pin V
input resistance
input capacitance
reference voltage
output resistance on pin V
output resistance of DAC
maximum output current
load resistance
load capacitance
PARAMETER
DD
and V
SS
ref(A)
ref(D)
) must be connected to the same external power supply unit.
I
I
referenced to
V
f
referenced to
V
(THD + N)/S < 0.1
%; R
note 2
OH
OL
i
SSA(ADC)
SSA(DAC)
= 1 kHz
CONDITIONS
= 2 mA
= 2 mA
L
= 5 k
17
resistor must be connected in series with the DAC output in
0.85V
0.9V
0.4V
0.45V
0.45V
3
0.5
MIN.
DDD
DDD
DDD
DDA
DDA
0.5V
24
9.8
20
0.5V
28
0.13
0.22
TYP.
DDA
DDA
0.4
V
0.6V
0.1V
0.55V
0.55V
3.0
200
Preliminary specification
DDD
UDA1344TS
MAX.
DDD
DDD
+ 0.5
DDA
DDA
V
V
V
V
V
V
k
k
pF
V
k
mA
k
pF
UNIT