Philips Semiconductors
Preliminary specification
Economy audio CODEC
UDA1345TS
Power control
A 2-bit value to disable the ADC and/or DAC to reduce power consumption.
Table 21 Power control settings
FUNCTION
DAC
PC1
PC0
ADC
0
0
1
1
0
1
0
1
off
off
on
on
off
on
off
on
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 60134). All voltages referenced to ground;
DDD = VDDA = VDDO = 3 V; Tamb = 25 °C; unless otherwise specified.
V
SYMBOL
VDDD
Txtal(max)
Tstg
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
digital supply voltage
note 1
−
5.0
V
maximum crystal temperature
storage temperature
−
150
°C
°C
°C
−65
−40
+125
+85
Tamb
ambient temperature
Ves
electrostatic handling
latch-up protection current
according to JEDEC II specification
Ilu(prot)
Tamb = 125 °C;
−
200
mA
VDD = 3.6 V
Isc(DAC)
short-circuit current of DAC
Tamb = 0 °C; VDD = 3 V;
note 2
output short-circuited
to VSSA(DAC)
−
−
450
325
mA
mA
output short-circuited
to VDDA(DAC)
Notes
1. All VDD and VSS connections must be made to the same power supply.
2. DAC operation after short-circuiting cannot be warranted.
THERMAL CHARACTERISTICS
SYMBOL
Rth(j-a)
PARAMETER
CONDITIONS
VALUE
UNIT
thermal resistance from junction to
ambient
in free air
90
K/W
2000 Apr 18
16
NXP [ NXP ]
