参数资料
型号: MAX9763ETI+T
厂商: Maxim Integrated Products
文件页数: 3/31页
文件大小: 0K
描述: IC AMP AUDIO PWR 3W MONO 28TQFN
标准包装: 2,500
类型: AB 类
输出类型: 1-通道(单声道),带立体声耳机
在某负载时最大输出功率 x 通道数量: 3W x 1 @ 3 欧姆; 200mW x 2 @ 16 欧姆
电源电压: 4.5 V ~ 5.5 V
特点: 消除爆音,输入多路复用器,静音,关机,热保护,
安装类型: 表面贴装
供应商设备封装: 28-TQFN-EP(5x5)
封装/外壳: 28-WFQFN 裸露焊盘
包装: 带卷 (TR)
MAX9760–MAX9763
Stereo 3W Audio Power Amplifiers with
Headphone Drive and Input Mux
______________________________________________________________________________________
11
Pin Description
PIN
MAX9760
MAX9761
MAX9762
MAX9763
QFN
TSSOP
QFN
TSSOP
QFN
TSSOP
QFN
TSSOP
NAME
FUNCTION
126
——
126
——
SDA
Bidirectional Serial Data I/O
227
——
227
——
INT
C Interrupt Output
3
28
3
28
3
28
3
28
VDD
Power Supply
41
4
1
4
1
41
SVDD
Standby Power Supply. Connect
to a standby power supply that is
always on, or connect to VDD
through a Schottky diode and
bypass with 220F capacitor to
GND. Short to VDD if clickless
operation is not essential.
5
2
5
2
5
2
5
2
INL1
Left-Channel Input 1
6
3
6
3
6
3
6
3
INL2
Left-Channel Input 2
7
4
7
4
7
4
7
4
GAINLA
Left-Channel Gain Set A
8
5
8
5
8
5
8
5
GAINLB
Left-Channel Gain Set B
9, 13,
23, 27
6, 10,
20, 24
9, 13,
23, 27
6, 10, 20,
24
9, 23,
27
6, 20, 24
9, 23, 27
6, 20, 24
PGND
Power Ground
10
7
10
7
10
7
10
7
OUTL+
Left-Channel Bridged Amplifier
Positive Output. OUTL+ also
serves as the left-channel
headphone amplifier output.
11, 25
8, 22
11, 25
8, 22
11, 25
8, 22
11, 25
8, 22
PVDD
Output Amplifier Power Supply
12
9
12
9
——
OUTL-
Left-Channel Bridged Amplifier
Negative Output
14
11
14
11
14
11
14
11
SHDN
Active-Low Shutdown. Connect
SHDN to VDD for normal operation.
15
12
——
15
12
——
ADD
Address Select. A logic high sets
the address LSB to 1, a logic low
sets the address LSB to zero.
16
13
16
13
16
13
16
13
HPS
Headphone Sense Input. A logic
high configures the device as a
single-ended headphone amp. A
logic low configures the device as
a BTL speaker amp.
17
14
17
14
17
14
17
14
BIAS
DC Bias Bypass. See BIAS
Capacitor Selection section for
capacitor selection. Connect
CBIAS from BIAS to GND.
18
15
18
15
13
10
13
10
GND
Ground
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