TDA8922 Datasheet, PDF (12/36 Pages) NXP Semiconductors – 2 x 25 W class-D power amplifier

Philips Semiconductors
2 × 25 W class-D power amplifier
Objective specification
TDA8922
12 STATIC CHARACTERISTICS
V_P = ±25 V; T_amb = 25 °C; measured in Fig.10; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
Supply
V_P
supply voltage
I_q(tot)
total quiescent supply current
I_stb
standby supply current
Mode select input; pin MODE
note 1
no load connected
V_MODE
I_MODE
V_stb
V_mute
V_on
input voltage
input current
input voltage for standby mode
input voltage for mute mode
input voltage for operating mode
Audio inputs; pins IN1−, IN1+, IN2+ and IN2−
V_I
DC input voltage
Amplifier outputs; pins OUT1 and OUT2
note 2
V_MODE = 5.5 V
notes 2 and 3
notes 2 and 3
notes 2 and 3
note 2
V_OO(SE)
output offset voltage
∆V_OO(SE)
V_OO(BTL)
∆V_OO(BTL)
variation of output offset voltage
output offset voltage
variation of output offset voltage
Stabilizer output; pin STABI
SE; operating and mute
SE; operating ↔ mute
BTL; operating and mute
BTL; operating ↔ mute
V_o(stab)
stabilizer output voltage
Temperature protection
mute and operating; note 4
T_prot
temperature protection activation
T_hys
hysteresis on temperature
protection
MIN. TYP. MAX. UNIT
±12.5 ±20 ±30 V
−
55
75
mA
−
100 500 µA
0
−
−
−
0
−
2.2 −
4.2 −
5.5 V
1000 µA
0.8 V
3.0 V
5.5 V
−
0
−
V
−
−
150 mV
−
−
80
mV
−
−
215 mV
−
−
115 mV
11
13
15
V
150 −
−
°C
−
20
−
°C
Notes
1. The circuit is DC adjusted at V_P = ±12.5 to ±30 V.
2. With respect to SGND (0 V).
3. The transition regions between standby, mute and operating mode contain hysteresis (see Fig.7).
4. With respect to V_SSP1.
2003 Mar 20
12