参数资料
型号: MAX9719AETE+
厂商: Maxim Integrated Products
文件页数: 27/27页
文件大小: 0K
描述: IC AMP AUDIO PWR 1.4W AB 16TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 75
类型: AB 类
输出类型: 2 通道(立体声)
在某负载时最大输出功率 x 通道数量: 1.4W x 2 @ 4 欧姆
电源电压: 2.7 V ~ 5.5 V
特点: 消除爆音,差分输入,关闭,热保护
安装类型: 表面贴装
供应商设备封装: 16-TQFN-EP(4x4)
封装/外壳: 16-WQFN 裸露焊盘
包装: 管件
其它名称: Q2749818A
MAX9718/MAX9719
TURN-ON TIME
vs. DC BIAS BYPASS CAPACITOR
MAX9718
toc38
CBIAS (
μF)
TURN-ON
TIME
(ms)
0.80
0.60
0.20
0.40
10
20
30
40
50
60
70
80
0
1.00
VCC = 5V
VCC = 3V
TO -3dB OF FINAL VALUE
Low-Cost, Mono/Stereo,
1.4W Differential Audio Power Amplifiers
_______________________________________________________________________________________
9
SHUTDOWN CURRENT
vs. TEMPERATURE
MAX9718
toc37
TEMPERATURE (
°C)
SHUTDOWN
CURRENT
A)
60
35
10
-15
-0.02
-0.01
0
0.01
0.02
0.03
-0.03
-40
85
VCC = 5V
VCC = 3V
Typical Operating Characteristics (continued)
(VCC = 5V, CBIAS = 0.1μF, THD+N measurement bandwidth = 22Hz to 22kHz, TA = +25°C, unless otherwise noted.)
Pin Description
PIN
MAX9718
MAX9719
TDFN-EP/
MAX
UCSP
TQFN-EP
UCSP
TSSOP-EP
NAME
FUNCTION
1
C2
SHDN
Shutdown Input. The polarity of SHDN is dependent on the
state of SHDM.
——
9
B3
11
SHDN
Shutdown Input. Active-low shutdown input.
2
C1
IN-
Inverting Input
3
B2
SHDM
Shutdown-Mode Polarity Input. SHDM controls the polarity
of SHDN. Connect SHDM high for an active-high SHDN
input. Connect SHDM low for an active-low SHDN input
(see Table 1).
4
A1
IN+
Noninverting Input
5
A2
5
B2
7
BIAS
DC Bias Bypass
6
A3
OUT-
Bridge Amplifier Negative Output
7
B3
1, 6, 11
A2, C2,
C4
3, 8, 13
GND
Ground
8
13
15
N.C.
No Connection. Not internally connected.
9
B1
8, 14
A4, D3
16, 10
VCC
Power Supply
10
C3
OUT+
Bridge Amplifier Positive Output
2
C1
4
INR+
Right-Channel Noninverting Input
3
B1
5
INL-
Left-Channel Inverting Input
4
A1
6
INL+
Left-Channel Noninverting Input
7
A3
9
OUTL+
Left-Channel Bridge Amplifier Positive Output
SUPPLY CURRENT
vs. TEMPERATURE
MAX9718
toc36
TEMPERATURE (
°C)
SUPPLY
CURRENT
(mA)
60
35
10
-15
1
2
3
4
5
6
0
-40
85
VCC = 5V
VCC = 3V
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