TDA8542TSDK-T NXP Semiconductors, TDA8542TSDK-T Datasheet - Page 9

• Manufacturer Part Number: TDA8542TSDK-T
• Description: Audio Amplifiers 2X1.5W BTL PWR AMP
• Manufacturer: NXP Semiconductors

Specifications of TDA8542TSDK-T

• Product: Class-AB
• Output Power: 1.2 W
• Available Set Gain: 30 dB
• Thd Plus Noise: 0.15 %
• Operating Supply Voltage: 5 V
• Supply Current: 15 mA
• Maximum Power Dissipation: 1120 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Audio Load Resistance: 16 Ohms
• Input Bias Current (max): 500 nA
• Input Signal Type: Differential or Single
• Minimum Operating Temperature: - 40 C
• Output Signal Type: Differential, Single
• Supply Type: Single
• Supply Voltage (max): 18 V
• Supply Voltage (min): 2.2 V
• Output Type: 2-Channel Stereo
• Package / Case: SSOP-20
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: TDA8542TS/N1,118

NXP Semiconductors
BTL APPLICATION
1998 Mar 25
handbook, full pagewidth
handbook, halfpage
2 × 0.7 W BTL audio amplifier
Pins 2, 7, 9, 12 and 19 are not connected.
R
Gain left
Gain right
L
= ∞.
(mA)
I q
30
20
10
0
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
TDA8542TS
20
1
9
GND
handbook, halfpage
10
11
f = 1 kHz; G
18
13
10
10
THD
3
8
(%)
10
10
1
1
2
OUTL
OUTL
OUTR
OUTR
MBK443
2
v
= 20 dB; V
Fig.5 THD as a function of P
100 nF
10
CC
R L
R L
1
= 5 V; R
L
= 8 Ω.
100 F
V CC
1
TDA8542TS
Product specification
P o (W)
o
.
MBK446
10