TDA8542AT NXP Semiconductors, TDA8542AT Datasheet - Page 9

• Manufacturer Part Number: TDA8542AT
• Manufacturer: NXP Semiconductors

Specifications of TDA8542AT

• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 2-Channel Stereo
• Output Power (typ): 1.5x2@8OhmW
• Audio Amplifier Function: Headphone/Speaker
• Total Harmonic Distortion: 0.15@8Ohm@0.4W%
• Single Supply Voltage (typ): 6V
• Dual Supply Voltage (typ): Not RequiredV
• Power Supply Requirement: Single
• Power Dissipation: 2.2W
• Rail/rail I/o Type: No
• Single Supply Voltage (min): 2.2V
• Single Supply Voltage (max): 18V
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 20
• Package Type: SO
• Lead Free Status / Rohs Status: Compliant

Philips Semiconductors
BTL APPLICATION
1998 Mar 25
handbook, full pagewidth
handbook, halfpage
2
Pins 1, 10, 11 and 20 connected to ground.
RI = .
Gain left
Gain right
(mA)
I q
30
20
10
0
1.5 W BTL audio amplifier
0
=
=
2
2
Fig.4 I
R2
------- -
R1
R4
------- -
R3
4
q
1 F
1 F
as a function of V
V iL
V iR
8
10 k
10 k
R1
R3
R2
R4
12
47 F
50 k
50 k
C3
OUTR
16
CC
V CC (V)
BTL/SE
.
MODE
MGD890
INR
INR
INL
INL
SVR
20
Fig.3 BTL application.
17
16
14
15
5
4
6
TDA8542AT
19
2
9
GND
handbook, halfpage
12
9
f = 1 kHz, G
(1) V
(2) V
18
13
THD
(%)
10
10
3
8
10
CC
CC
1
1
2
10
OUTL
OUTL
OUTR
OUTR
MGM213
= 6 V, R
= 7.5 V, R
2
v
= 20 dB.
Fig.5 THD as a function of P
(1)
(2)
L
100 nF
= 8 .
L
= 16 .
10
R L
R L
1
100 F
V CC
1
Product specification
TDA8542AT
P o (W)
o
MGM214
.
10