Philips Semiconductors
Economy audio CODEC for MiniDisc (MD)
home stereo and portable applications
Preliminary specification
UDA1341TS
8 LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134); VDDD = VDDA = 3 V; all voltages measured with
respect to ground; Tamb = 25 °C; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN. MAX. UNIT
VDD
Txtal(max)
Tstg
Tamb
Ves
supply voltage
maximum crystal temperature
storage temperature
operating ambient temperature
electrostatic handling
note 1
note 2
note 3
−
5.0
V
−
150
°C
−65
+125 °C
−20
+85
°C
−2000 +2000 V
−250 +250 V
Notes
1. All VDD and VSS connections must be made to the same power supply.
2. Equivalent to discharging a 100 pF capacitor via a 1.5 kΩ series resistor.
3. Equivalent to discharging a 200 pF capacitor via a 2.5 µH series inductor.
9 THERMAL CHARACTERISTICS
SYMBOL
PARAMETER
Rth(j-a)
thermal resistance from junction to ambient
CONDITIONS
in free air
VALUE
90
UNIT
K/W
10 DC CHARACTERISTICS
VDDD = VDDA = 3 V; Tamb = 25 °C; RL = 5 kΩ; all voltages measured with respect to ground (pins 1, 11 and 27); unless
otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX. UNIT
Supplies
VDDA(ADC)
VDDA(DAC)
VDDD
IDDA(ADC)
ADC analog supply voltage
DAC analog supply voltage
digital supply voltage
ADC analog supply current
IDDA(DAC) DAC analog supply current
IDDD
digital supply current
note 1
note 1
note 1
operation mode
ADC power-down
operation mode
DAC power-down
operation mode
DAC power-down
ADC power-down
2.4
3.0
3.6
V
2.4
3.0
3.6
V
2.4
3.0
3.6
V
−
12.5
−
mA
−
6.0
−
mA
−
7.0
−
mA
−
50
−
µA
−
7.0
−
mA
−
4.0
−
mA
−
3.0
−
mA
Digital input pins
VIH
HIGH-level input voltage
VIL
LOW-level input voltage
|ILI|
input leakage current
Ci
input capacitance
0.8VDDD −
−0.5
−
−
−
−
−
VDDD + 0.5 V
0.2VDDD V
10
µA
10
pF
1998 Dec 18
21