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MAX9736 PDF预览

MAX9736

更新时间: 2024-10-29 14:57:47
品牌 Logo 应用领域
亚德诺 - ADI 放大器
页数 文件大小 规格书
25页 1891K
描述
单声道/立体声大功率D类放大器

MAX9736 数据手册

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MAX9736  
Mono/Stereo High-Power Class D Amplifier  
Electrical Characteristics  
(V  
= 20V, V = 5V, V  
= V  
= 0V, V  
= V  
= V  
= 5V, REGEN = MONO = AGND, C1 = 0.1μF, C2 = 1μF,  
PVDD  
VS  
AGND  
PGND  
MOD  
SHDN  
MUTE  
R
= 20kΩ and R  
= 20kΩ, R = ∞, AC measurement bandwidth 22Hz to 22kHz, T = T  
to T  
, unless otherwise noted.  
MAX  
IN_  
FB_  
L
A
MIN  
Typical values are at T = +25°C.) (Notes 4, 5)  
A
PARAMETER  
SYMBOL  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
AMPLIFIER DC CHARACTERISTICS  
Speaker Supply Voltage Range  
PVDD  
Inferred from PSRR test  
(Notes 1 and 7)  
8
28  
V
V
V
Preamplifier Supply Voltage  
Range  
VS  
4.5  
5.5  
Undervoltage Lockout  
UVLO  
7
T
T
T
T
= +25°C  
30  
45  
50  
20  
22  
10  
10  
R = ∞, V  
= 5V,  
A
A
A
A
L
REGEN  
I
mA  
mA  
µA  
PVDD  
V
= open  
VS  
= T  
to T  
MIN  
MAX  
MAX  
Quiescent Supply Current  
= +25°C  
= T to T  
14  
1
R = ∞, V  
= 0V,  
L
REGEN  
I
VS  
V
= 5V  
VS  
MIN  
I
I
PVDD  
VS  
Shutdown Supply Current  
I
V = 0V  
SHDN  
SHDN  
REG Voltage  
V
4.2  
4.8  
V
V
V
REG  
Preregulator Voltage  
COM Voltage  
VS  
Internal regulated 5V, V = 5V  
REGEN  
V
1.9  
2.05  
2.2  
COM  
INPUT AMPLIFIER CHARACTERISTICS  
Capacitive Drive  
C
30  
±2  
88  
±1  
2.5  
pF  
V
L
Output Swing (Note 6)  
Open-Loop Gain  
Sinking ±1mA  
A
V
V
= V  
±500mV, R = 20kΩ to IN_  
FB_  
dB  
VO  
FB_  
COM  
Input Offset Voltage  
Input Amplifier Slew Rate  
mV  
V/µs  
OS  
Input Amplifier Unity-Gain  
Bandwidth  
3.5  
MHz  
AMPLIFIER CHARACTERISTICS  
MAX9736A, MAX9736D  
MAX9736B  
16.5  
13.1  
3.3  
17  
13.6  
4.6  
±2  
17.5  
14.1  
Output Amplifier Gain (Note 8)  
A
dB  
V
Output Current Limit  
Output Offset  
A
V
OUT_+ to OUT_-, T = +25°C  
±10  
mV  
OS  
A
PVDD = 8V to 28V, T = +25°C  
65  
80  
A
Power-Supply Rejection Ratio  
PSRR  
dB  
f = 1kHz, 100mV  
ripple  
67  
P-P  
R = 8Ω  
8
L
Stereo  
V
= 12V  
R = 4Ω  
13  
PVDD  
L
Mono  
Stereo  
Mono  
Stereo  
Mono  
R = 4Ω  
15.5  
13.5  
27  
L
MAX9736A Output Power  
(THD+N = 1%)  
P
R = 8Ω  
L
W
OUT_1%  
V
V
= 18V  
= 24V  
PVDD  
R = 4Ω  
L
R = 8Ω  
13.5  
27  
L
PVDD  
R = 4Ω  
L
Maxim Integrated  
3  
www.maximintegrated.com  

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