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| 型号： | MAX9737ETG+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/13页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO 13W MONO D 24TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 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： | 13W x 1 @ 4 欧姆 |
| 电源电压： | 8 V ~ 28 V |
| 特点： | 消除爆音，静音，短路保护和热保护，关机 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | 24-TQFN-EP（4x4） |
| 封装/外壳： | 24-WFQFN 裸露焊盘 |
| 包装： | 标准包装 |
| 其它名称： | MAX9737ETG+TDKR |
MAX9737
Mono 7W Class D Amplifier
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VPVDD = 12V, VAGND = VPGND = 0, VSHDN = VMUTE = 5V, C1 = 0.1F, CIN = 0.47F, C2 = CCOM = CREG = 1F, RIN = RFB = 20k
Ω,
RL =
∞, AC measurement bandwidth 22Hz to 22kHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
(Note 3)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
PVDD to PGND.......................................................-0.3V to +30V
AGND to PGND .....................................................-0.3V to +0.3V
IN, PRE, PC, COM to AGND.....................-0.3V to (VREG + 0.3V)
MUTE, SHDN to AGND ............................................-0.3V to +6V
REG to AGND ...............................................-0.3V to (VS + 0.3V)
VS to AGND ..............................................................-0.3V to +6V
OUT+, OUT- to PGND .............................-0.3V to (PVDD + 0.3V)
C1N to PGND ..........................................-0.3V to (PVDD + 0.3V)
C1P to PGND .........................(PVDD - 0.3V) to (VCHOLD + 0.3V)
CHOLD to PGND .......................................(VC1P - 0.3V) to +36V
OUT+, OUT-, Short Circuit to PGND or PVDD ...........Continuous
Thermal Limits (Notes 1, 2)
Continuous Power Dissipation (TA = +70°C)
24-Pin TQFN Single-Layer PCB (derate 20.8mW/°C
above +70°C)........................................................1666.7mW
θJA................................................................................48°C/W
θJC..................................................................................3°C/W
Continuous Power Dissipation
24-Pin TQFN Multiple-Layer PCB
(derate 27.8mW/°C above +70°C) ........................2222.2mW
θJA................................................................................36°C/W
θJC..................................................................................3°C/W
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Junction Temperature ......................................................+150°C
Lead Temperature (soldering, 10s) .................................+300°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
AMPLIFIER DC CHARACTERISTICS
Speaker-Supply Voltage Range
PVDD
Inferred from PSRR test
8
28
V
Undervoltage Lockout
UVLO
6.8
V
TA = +25°C
15
20
Quiescent Supply Current
IPVDD
25
mA
Shutdown Supply Current
ISHDN
VSHDN = 0, TA = +25°C
1
10
A
REG Voltage
VREG
4.0
4.2
4.5
V
Preregulator Voltage
VS
4.85
V
COM Voltage
VCOM
1.94
2.06
2.16
V
INPUT AMPLIFIER CHARACTERISTICS
Capacitive Drive
CL
No sustained oscillation
30
pF
Output Swing
Sinking ±1mA (Note 4)
2.05
V
Open-Loop Gain
AVO
88
dB
Input Offset Voltage
VOS
IN to COM
±2
mV
Input Amplifier Slew Rate
2.5
V/s
Input Amplifier Unity-Gain
Bandwidth
3.5
MHz
Note 1: Thermal performance of this device is highly dependent on PCB layout. See the
Applications Information section for more detail.
Note 2: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer
board. For detailed information on package thermal considerations, refer to www.maxim-ic.com/thermal-tutorial.
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