参数资料
型号: MAX9787ETI+T
厂商: Maxim Integrated Products
文件页数: 11/15页
文件大小: 0K
描述: IC AMP AUDIO PWR 2.2W AB 28TQFN
标准包装: 2,500
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: 2.2W x 2 @ 3 欧姆
电源电压: 4.5 V ~ 5.5 V
特点: 消除爆音,短路保护和热保护,关机,音量控制
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)
MAX9787
2.2W Stereo Audio Power Amplifier
with Analog Volume Control
_______________________________________________________________________________________
5
POWER-SUPPLY REJECTION RATIO
vs. FREQUENCY
MAX9787
toc09
FREQUENCY (Hz)
PSRR
(dB)
10k
1k
100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
-100
10
100k
VRIPPLE = 200mVP-P
AV = 10.5dB
OUTPUT REFERRED
TURN-ON RESPONSE
MAX9787 toc11
20ms/div
SHDN
5V/div
2V/div
100mV/div
OUT_+
AND
OUT_-
OUT_+
- OUT_-
RL = 8
TURN-OFF RESPONSE
MAX9787 toc12
20ms/div
SHDN
5V/div
2V/div
20mV/div
OUT_+
AND
OUT_-
OUT_+
- OUT_-
RL = 8
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX9787
toc13
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(mA)
5.25
5.00
4.75
4
2
6
8
12
10
14
16
18
0
4.50
5.50
SHUTDOWN SUPPLY CURRENT
vs. SUPPLY VOLTAGE
MAX9787
toc14
SUPPLY VOLTAGE (V)
SUPPLY
CURRENT
(
A)
5.25
5.00
4.75
4.50
5.50
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0
-120
10
1k
10k
100
100k
CROSSTALK vs. FREQUENCY
MAX9787
toc10
FREQUENCY (Hz)
CROSSTALK
(dB)
-100
-110
-80
-90
-60
-70
-40
-50
-20
-10
-30
VCC = 5V
VRIPPLE = 200mVP-P
RL = 4
LEFT TO RIGHT
RIGHT TO LEFT
Typical Operating Characteristics (continued)
(Measurement BW = 22Hz to 22kHz, TA = +25°C, unless otherwise noted.)
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