参数资料
型号: MAX9759ETE+T
厂商: Maxim Integrated Products
文件页数: 14/20页
文件大小: 0K
描述: IC AMP AUDIO PWR 3.2W D 16TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: D 类
输出类型: 1-通道(单声道)
在某负载时最大输出功率 x 通道数量: 4.3W x 1 @ 3 欧姆
电源电压: 3 V ~ 5.5 V
特点: 消除爆音,差分输入,静音,短路和热保护,关机
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: 带卷 (TR)
MAX9759
3.2W, High Efficiency, Low-EMI, Filterless,
Class D Audio Amplifier
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (VDD = 5.0V) (continued)
(VDD = PVDD = SHDN = MUTE = 5V, GND = PGND = 0V, SYNC = 0V (FFM). Gain = 12dB (G1 = 0, G2 = 1). Speaker load resistor
(RL) connected between OUT+ and OUT-, unless otherwise noted, RL =
∞, TA = TMIN to TMAX, unless otherwise noted. Typical val-
ues are at TA = +25°C.) (Notes 1, 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
RL = 3
3.4
RL = 4
2.6
THD+N = 1%
RL = 8
1.4
RL = 3
4.3
RL = 4
3.2
Output Power
POUT
THD+N = 10%
RL = 8
1.8
W
RL = 3
0.08
RL = 4
0.05
Total Harmonic Distortion Plus
Noise
THD+N
fIN = 1kHz, either
FFM or SSM,
POUT = 1W
RL = 8
0.02
%
FFM
93
BW = 22Hz to
22kHz
SSM
89
FFM
96
Signal-to-Noise Ratio
SNR
POUT = 1W,
RL = 8
A-weighted
SSM
92
dB
SYNC = GND (FFM mode)
1000
1100
1200
SYNC = FLOAT (FFM mode)
1102
1500
1837
Oscillator Frequency
fOSC
SYNC = VDD (SSM mode)
1200
±70
kHz
SYNC Frequency Lock Range
TTL-compatible clock input
1000
1600
kHz
Into shutdown
-50
Click-and-Pop Level
KCP
Peak voltage,
A-weighted, 32 samples
per second (Notes 3, 4)
Out of shutdown
-57
dBV
Efficiency
η
POUT = 1W, fIN = 1kHz, RL = 8
in series
with 68H
92
%
DIGITAL INPUTS (
SHDN, MUTE, G1, G2, SYNC)
SYNC, G1, G2 Input Voltage High
VINH
VDD x 0.9
V
SYNC, G1, G2 Input Voltage Low
VINL
VDD x 0.1
V
SHDN, MUTE Voltage High
VINH
2V
SHDN, MUTE Voltage Low
VINL
0.8
V
SYNC Input Resistance
200
k
SYNC Input Current
±35
A
SHDN, MUTE, G1, G2 Input
Current
±1A
SYNC Capacitance
10
pF
DIGITAL OUTPUTS (SYNC_OUT)
Output Voltage High
VOH
IOH = 3mA
2.4
V
Output Voltage Low
VOL
IOL = 3mA
0.4
V
SYNC_OUT Capacitive Drive
TTL-compatible clock output
100
pF
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