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TDA8566TH Datasheet(HTML) 2 Page - NXP Semiconductors

Part No. TDA8566TH
Description  2 x 40 W/2 ohm stereo BTL car radio power amplifier with differential inputs and diagnostic outputs
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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TDA8566TH Datasheet(HTML) 2 Page - NXP Semiconductors

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2001 Apr 24
2
Philips Semiconductors
Objective specification
2
× 40 W/2 Ω stereo BTL car radio power amplifier
with differential inputs and diagnostic outputs
TDA8566TH
FEATURES
• Differential inputs
• Very high Common Mode Rejection Ratio (CMRR)
• High common mode input signal handling
• Requires very few external components
• High output power
• 4 and 2 Ω load driving capability
• Low offset voltage at output
• Fixed gain
• Diagnostic facility (distortion, short-circuit and
temperature pre-warning)
• Good ripple rejection
• Mode select switch (operating, mute and standby)
• Load dump protection
• Short-circuit proof to ground, to VP and across the load
• Low power dissipation in any short-circuit condition
• Thermally protected
• Reverse polarity safe
• Protected against electrostatic discharge
• No switch-on/switch-off plops
• Low thermal resistance.
GENERAL DESCRIPTION
The TDA8566TH is an integrated class-B output amplifier
contained in a 20-lead small outline plastic package. The
device contains 2 amplifiers in a Bridge-Tied Load (BTL)
configuration. The output power is 2
× 25 Wina4 Ω load
or 2
× 40 W in a 2 Ω load. It has a differential input stage
and 2 diagnostic outputs. The device is primarily
developed for car radio applications.
QUICK REFERENCE DATA
ORDERING INFORMATION
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
VP
operating supply voltage
6
14.4
18
V
IORM
repetitive peak output current
−−
7.5
A
Iq(tot)
total quiescent current
115
mA
Istb
standby current
0.1
10
µA
Isw
switch-on current
−−
40
µA
Zi
input impedance
100
120
k
Pout
output power
RL =4 Ω; THD = 10%
25
W
RL =2 Ω; THD = 10%
40
W
SVRR
supply voltage ripple rejection
Rs =0 Ω−
60
dB
αcs
channel separation
Rs =10kΩ−
50
dB
CMRR
common mode rejection ratio
75
dB
Gv
closed loop voltage gain
25
26
27
dB
Vn(o)
noise output voltage
Rs =0 Ω−
120
µV
TYPE
NUMBER
PACKAGE
NAME
DESCRIPTION
VERSION
TDA8566TH
HSOP20
plastic, heatsink small outline package; 20 leads; low stand-off height
SOT418-2


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