参数资料
型号: MAX9706ETX+T
厂商: Maxim Integrated Products
文件页数: 24/25页
文件大小: 0K
描述: IC AMP AUDIO 2.3W STER+1 36TQFN
标准包装: 2,500
系列: DirectDrive®
类型: D 类
输出类型: 2-通道(立体声)带立体声耳机和超低音器
在某负载时最大输出功率 x 通道数量: 2.3W x 3 @ 4 欧姆; 95mW x 2 @ 16 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,关闭
安装类型: 表面贴装
供应商设备封装: 36-TQFN 裸露焊盘(6x6)
封装/外壳: 36-WFQFN 裸露焊盘
包装: 带卷 (TR)
MAX9706/MAX9707
3-Channel, 2.3W, Filterless Class D Amplifiers
with Active Crossover
8
_______________________________________________________________________________________
Typical Operating Characteristics—Speaker Mode (continued)
(VDD = PVDD = HPVDD = 5V, GND = PGND = CPGND = 0V, SHDN = VDD, GAIN1 = GAIN2 = GND (+9dB), FS0 = FS1 = GND (800Hz),
MGAIN = float (-6dB), SYNC_IN = VDD (SSM), speaker load RL connected between OUT+ and OUT-, unless otherwise noted, RL =
∞.
Headphone load RLH connected between HPR/HPL to GND. CBIAS = 1F to GND, 1F capacitor between C1P and C1N, CVSS = 1F.
TA = TMIN to TMAX, unless otherwise noted. Typical values at TA = +25°C.)
OUTPUT FREQUENCY SPECTRUM
MAX9706
toc13
FREQUENCY (kHz)
OUTPUT
MAGNITUDE
(dBV)
15
10
5
-120
-100
-80
-60
-40
-20
0
-140
020
SSM MODE
VOUT = -60dB
f = 1kHz
RL = 8
A-WEIGHTED
WIDEBAND OUTPUT SPECTRUM
(FFM MODE)
MAX9706
toc14
FREQUENCY (MHz)
OUTPUT
AMPLITUDE
(dBV)
-70
-60
-50
-40
-30
-20
-10
0
10
20
-80
RBW = 10kHz
INPUT AC-GROUNDED
100
10
1
0
1000
WIDEBAND OUTPUT SPECTRUM
(SSM MODE)
MAX9706
toc15
FREQUENCY (MHz)
OUTPUT
AMPLITUDE
(dBV)
-70
-60
-50
-40
-30
-20
-10
0
10
20
-80
RBW = 10kHz
INPUT AC-GROUNDED
100
10
1
0
1000
TURN-ON/-OFF RESPONSE
MAX9706 toc16
2V/div
200mA/div
20ms/div
AMPLITUDE vs. FREQUENCY
MAX9706
toc17
FREQUENCY (Hz)
AMPLITUDE
(dBV)
10k
1k
100
-40
-30
-20
-10
0
10
20
-50
10
100k
fXO = 800Hz
AMPLITUDE vs. FREQUENCY
MAX9706
toc18
FREQUENCY (Hz)
AMPLITUDE
(dBV)
10k
1k
100
-40
-30
-20
-10
0
10
20
-50
10
100k
fXO = 2.1kHz
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