Table of Contents
Advertisement
Philips Semiconductors
Power stage 2 x 15 to 25 W class-D
audio amplifier
12 DC CHARACTERISTICS
= ±15 V; T
= 25 °C; measured in test diagram of Fig.4; unless otherwise specified.
V
P
amb
SYMBOL
Supply
V
supply voltage
P
I
total quiescent current
q(tot)
Internal stabilizer logic supply (pin STAB)
V
stabilizer output voltage
O(STAB)
Switch inputs (pins SW1 and SW2)
V
HIGH-level input voltage
IH
V
LOW-level input voltage
IL
Control outputs (pins REL1 and REL2)
V
HIGH-level output voltage
OH
V
LOW-level output voltage
OL
Diagnostic output (pin DIAG, open-drain)
V
LOW-level output voltage
OL
I
output leakage current
LO
Enable inputs (pins EN1 and EN2)
V
HIGH-level input voltage
IH
V
LOW-level input voltage
IL
V
hysteresis voltage
EN(hys)
I
input current
I(EN)
Switching-on input (pin POWERUP)
V
operating voltage
POWERUP
I
input current
I(POWERUP)
Temperature protection
T
temperature activating diagnostic V
diag
T
hysteresis on temperature
hys
diagnostic
Current protection
I
overcurrent protection level
O(ocpl)
Note
1. Temperature sensor or maximum current sensor activated.
2004 May 06
PARAMETER
CONDITIONS
no load connected
outputs floating
referenced to V
SS
referenced to V
SS
referenced to V
SS
referenced to V
SS
referenced to V
SS
I
= 1 mA; note 1
DIAG
no error condition
referenced to V
SS
referenced to V
SS
referenced to V
SS
V
= 12 V
POWERUP
= V
DIAG
DIAG(LOW)
V
= V
DIAG
DIAG(LOW)
8
Product specification
TDA8925
MIN.
TYP.
MAX.
±7.5
±15
±30
−
25
45
−
5
10
11.7
13
14.3
−
10
15
−
0
2
−
10
15
−
0
2
−
0
1.0
−
−
50
−
9
15
−
0
5
−
−
4
−
−
300
−
5
12
−
100
170
−
−
150
−
−
20
−
−
3.5
UNIT
V
mA
mA
V
V
V
V
V
V
µA
V
V
V
µA
V
µA
°C
°C
A
Advertisement
Table of Contents
