TDA8948J 데이터 시트보기 (PDF) - NXP Semiconductors.
부품명
상세내역
일치하는 목록
TDA8948J Datasheet PDF : 26 Pages
| |||
NXP Semiconductors
TDA8948J
4-channel audio amplifier
13. Application information
13.1 Application diagrams
10 kΩ
7.5 V
micro-
controller
1.5 kΩ
50 kΩ
VCC
100 kΩ
270 Ω
BC547
2.2 µF
BC547
220 nF IN1+ 8
Vi
60 kΩ
220 nF IN2+ 6
Vi
60 kΩ
IN3+ 9
470 nF
60 kΩ
Vi
IN4+ 12
60 kΩ
CIV 13
VCC
22 µF
VCC1
3
+
+
+
+
VCC2
16
+
−
−
+
100 nF
VCC
1000 µF
1 OUT1+
4 OUT2−
−
+
14 OUT3−
−
+
17 OUT4+
+
RL4 Ω
−
RL4 Ω
RL8 Ω
470 µF
SHORT-CIRCUIT
AND
TEMPERATURE
PROTECTION
47 µF
SVR 11 0.5VCC
VREF
SGND 7
MODE1 10
MODE2 5
VCC
STANDBY ALL
MUTE ALL
ON 1 + 2
MUTE 3 + 4
ON 3 + 4
TDA8948J
2
GND1
15
GND2
Fig 11. Typical application diagram without on/off switching plops
010aaa050
Table 11. Amplifier selection by microcontroller
Microcontroller with open-collector output; see Figure 11.
Microcontroller
Channels 1 and 2
LOW
On mode
HIGH
Mute mode
Channels 3 and 4
On mode
Mute mode
TDA8948J_1
Product data sheet
Rev. 01 — 27 February 2008
© NXP B.V. 2008. All rights reserved.
15 of 26
Share Link: 