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TDA1562ST Datasheet(PDF) 2 Page - NXP Semiconductors

Part # TDA1562ST
Description  70 W high efficiency power amplifier with diagnostic facility
Download  24 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

TDA1562ST Datasheet(HTML) 2 Page - NXP Semiconductors

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2003 Feb 12
2
Philips Semiconductors
Preliminary specification
70 W high efficiency power amplifier
with diagnostic facility
TDA1562Q; TDA1562ST;
TDA1562SD
FEATURES
• Very high output power, operating from a single low
supply voltage
• Low power dissipation, when used for music signals
• Switches to low output power at too high case
temperatures
• Few external components
• Fixed gain
• Differential inputs with high common mode rejection
• Mode select pin (on, mute and standby)
• Status I/O pin (class-H, class-B and fast mute)
• All switching levels with hysteresis
• Diagnostic pin with information about:
– Dynamic Distortion Detector (DDD)
– Any short-circuit at outputs
– Open load detector
– Temperature protection.
• No switch-on or switch-off plops
• Fast mute on supply voltage drops
• Quick start option (e.g. car-telephony/navigation)
• Low (delta) offset voltage at the outputs
• Load dump protection
• Short-circuit safe to ground, supply voltage and across
the load
• Low power dissipation in any short-circuit condition
• Protected against electrostatic discharge
• Thermally protected
• Flexible leads.
GENERAL DESCRIPTION
The TDA1562 is a monolithic integrated 70 W/4
Bridge-Tied Load (BTL) class-H high efficiency power
amplifier in a 17 lead DIL-bent-SIL plastic power package.
The device can be used for car audio systems (e.g.
car radios and boosters) as well as mains fed applications
(e.g. midi/mini audio combinations and TV sound).
QUICK REFERENCE DATA
VP = 14.4 V; RL =4 Ω; Rs =0 Ω; f = 1 kHz; Tamb =25 °C; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
VP
supply voltage
operating; note 1
8
14.4
18
V
non-operating
−−
30
V
load dump
−−
45
V
Iq
quiescent current
on and mute; RL = open
circuit
110
150
mA
Istb
standby current
standby
350
µA
V
OO
output offset voltage
on and mute
−−
100
mV
∆VOO
delta output offset voltage
on
↔ mute
−−
30
mV
Gv
voltage gain
25
26
27
dB
Z
i(dif)
differential input impedance
90
150
k
Po
output power
THD = 0.5%
45
55
W
THD = 10%
60
70
W
THD
total harmonic distortion
Po =1W
0.03
%
Po =20W
0.06
%
DDD active
2.1
%


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