TDA8920 Datasheet, PDF (6/16 Pages) NXP Semiconductors – 2 x 50 W class-D power amplifier

Philips Semiconductors
2 × 50 W class-D power amplifier
Preliminary specification
TDA8920
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
V_DD
V_ms
V_sc
I_OSM
I_ORM
P_tot
T_stg
T_amb
T_vj
PARAMETER
supply voltage
mode select switch voltage
short-circuit voltage of output pins
non-repetitive peak output current
repetitive peak output current
total power dissipation
storage temperature
operating ambient temperature
virtual junction temperature
CONDITIONS
MIN.
−
with respect to SGND −
−
−
−
−
−55
−40
−
MAX.
±30
5.5
±30
10
7.5
60
+150
+85
150
UNIT
V
V
V
A
A
W
°C
°C
°C
THERMAL CHARACTERISTICS
SYMBOL
R_th(j-a)
R_th(j-c)
PARAMETER
thermal resistance from junction to ambient
thermal resistance from junction to case
CONDITIONS
in free air
VALUE
40
10
UNIT
K/W
K/W
QUALITY SPECIFICATION
Quality according to “SNW-FQ-611-part E”, if this type is used as an audio amplifier.
SWITCHING CHARACTERISTICS
V_DD = ±25 V; T_amb = 25 °C; measured in Fig.5; unless otherwise specified.
SYMBOL
PARAMETER
MIN.
f_osc
oscillator frequency
400
V_OSC(p-p)
voltage at tracking point (peak-to-peak value)
−
TYP.
500
1.75
MAX.
600
−
UNIT
kHz
V
1998 Dec 01
6