Daewoo 21q2 Benutzerhandbuch
29
TDA 1519B(AUDIO OUTPUT AMPLIFIER); 2 SPEAKER MODEL
(1) Features
(2) General Description
The TDA 1519B is an integrated class-B dual output amplifier in a 9-lead single in-line(SIL) plastic
medium power package. The device is primarily developed for car radio applications.
medium power package. The device is primarily developed for car radio applications.
(3) Block Diagram
Mute Switch
Power Stage
Vp
Vp
Stand-by
Switch
Mute
Switch
Switch
Mute Switch
TDA1519B
Stand-by
Reference
Voltage
Reference
Voltage
Input
Reference
Voltage
Signal
Ground
Ground
Power
Ground
(Substrate)
Ground
(Substrate)
Mute
Reference
Voltage
Reference
Voltage
Cm
VA
VA
VA
+
1
-
+
+
+
-
60k
18.1k
15k
183
60k
15k
18.1k
133
4
8
6
3
9
1
Cm
Power Stage
• Requires very few external components for
Bridge Tied Load(BTL)
• Stereo ot BTL application
• High output power
• Low offset voltage at output (important for BTL)
• Fixed gain
• Good ripple rejection
• Mute/stand-by switch
• Load dump protection
• High output power
• Low offset voltage at output (important for BTL)
• Fixed gain
• Good ripple rejection
• Mute/stand-by switch
• Load dump protection
• AC and DC short-circuit-safe to ground and Vp
• Thermally protected
• Reverse polarity safe
• Capability to handle high energy on
• Thermally protected
• Reverse polarity safe
• Capability to handle high energy on
outputs(Vp=OV)
• No switch-on/switch-off plop
• Protected against electrostatic discharge
• Identical inputs(inverting and non-inverting)
• Compatible with TDA 1519A(except output power)
• Protected against electrostatic discharge
• Identical inputs(inverting and non-inverting)
• Compatible with TDA 1519A(except output power)
(4) Pin Description
1
NINV
non-inverting input
2
GND1
ground(signal)
3
RR
supply voltage ripple rejection
4
OUT1
output 1
5
GND2
ground(substrate)
6
OUT2
output 2
7
Vp
positive supply voltage
8
M/ss
mute/stand-by switch
9
INV
inverting input
PIN
SYMBOL
DESCRIPTION