Philips Semiconductors
Preliminary specification
Economy audio CODEC for MiniDisc (MD)
home stereo and portable applications
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
supply voltage
CONDITIONS
MIN.
MAX.
5.0
UNIT
VDD
note 1
−
−
V
Txtal(max)
Tstg
maximum crystal temperature
storage temperature
150
°C
°C
°C
V
−65
+125
+85
Tamb
Ves
operating ambient temperature
electrostatic handling
−20
note 2
note 3
−2000
−250
+2000
+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
Rth(j-a)
PARAMETER
CONDITIONS
in free air
VALUE
90
UNIT
thermal resistance from junction to ambient
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
Supplies
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
VDDA(ADC) ADC analog supply voltage
VDDA(DAC) DAC analog supply voltage
note 1
note 1
note 1
2.4
3.0
3.6
V
2.4
2.4
−
3.0
3.0
12.5
6.0
7.0
50
3.6
3.6
−
V
VDDD
digital supply voltage
V
IDDA(ADC) ADC analog supply current
operation mode
ADC power-down
operation mode
DAC power-down
operation mode
DAC power-down
ADC power-down
mA
mA
mA
µA
mA
mA
mA
−
−
IDDA(DAC) DAC analog supply current
−
−
−
−
IDDD
digital supply current
−
7.0
4.0
3.0
−
−
−
−
−
Digital input pins
VIH
VIL
|ILI|
Ci
HIGH-level input voltage
0.8VDDD
−
−
−
−
VDDD + 0.5 V
LOW-level input voltage
input leakage current
input capacitance
−0.5
−
0.2VDDD
10
V
µA
pF
−
10
1998 Dec 18
21