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参数资料
| 型号： | MAX9736DETJ+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 12/25页 |
| 文件大小： | 0K |
| 描述： | IC AMP CLASS D HIGH PWR 32TQFN |
| 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）或 2-通道（立体声） |
| 在某负载时最大输出功率 x 通道数量： | 17mW x 1 @ 4 欧姆; 8.5mW x 2 @ 8 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： | 32-TQFN-EP（5x5） |
| 封装/外壳： | 32-WFQFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
MAX9736
Mono/Stereo High-Power Class D Amplifier
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VPVDD = 20V, VVS = 5V, VAGND = VPGND = 0V, VMOD = VSHDN = VMUTE = 5V, REGEN = MONO = AGND, C1 = 0.1μF, C2 = 1μF,
RIN_ = 20kΩ and RFB_= 20kΩ, RL = ∞, AC measurement bandwidth 22Hz to 22kHz, TA = TMIN to TMAX, unless otherwise noted.
Typical values are at TA = +25°C.) (Notes 4, 5)
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.
Note 1: VS cannot exceed PVDD + 0.3V. See the
Power Sequencing section.
Note 2: Thermal performance of this device is highly dependant on PCB layout. See the
Applications Information section for more details.
Note 3: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a 4-layer
board. For detailed information on package thermal considerations, visit www.maxim-ic.com/thermal-tutorial.
PVDD to PGND.......................................................-0.3V to +30V
AGND to PGND .....................................................-0.3V to +0.3V
INL, INR, FBL, FBR, COM to AGND .........-0.3V to (VREG + 0.3V)
MUTE, SHDN, MONO, MOD, REGEN to AGND.......-0.3V to +6V
REG to AGND ..............................................-0.3V to (VS + 0.3V)
VS to AGND (Note 1)................................................-0.3V to +6V
OUTL+, OUTL-, OUTR+,
OUTR-, to PGND...................................-0.3V to (PVDD + 0.3V)
C1N to PGND ..........................................-0.3V to (PVDD + 0.3V)
C1P to PGND ...........................(PVDD - 0.3V) to (VBOOT + 0.3V)
BOOT to PGND ..............................(VC1P - 0.3V) to PVDD + 12V
OUTL+, OUTL-, OUTR+, OUTR-,
Short Circuit to PGND or PVDD...............................Continuous
Thermal Limits (Notes 2, 3)
Continuous Power Dissipation (TA = +70°C)
32-Pin TQFN 5mm x 5mm Multiple Layer PCB
(derate 34.5mW/°C above +70°C) ..................................2.76W
θJA .................................................................................29°C/W
θJC...................................................................................2°C/W
Continuous Power Dissipation (TA = +70°C)
32-Pin TQFN 7mm x 7mm Multiple Layer PCB
(derate 37mW/°C above +70°C) .....................................2.96W
θJA .................................................................................27°C/W
θJC...................................................................................1°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
Preamplifier Supply Voltage
Range
VS
(Notes 1 and 7)
4.5
5.5
V
Undervoltage Lockout
UVLO
7
V
TA = +25°C
30
45
IPVDD
RL =
∞, VREGEN = 5V,
VVS = open
TA = TMIN to TMAX
50
mA
TA = +25°C
14
20
Quiescent Supply Current
IVS
RL =
∞, VREGEN = 0V,
VVS = 5V
TA = TMIN to TMAX
22
mA
IPVDD
110
Shutdown Supply Current
ISHDN
VSHDN = 0V
IVS
10
μA
REG Voltage
VREG
4.2
V
Preregulator Voltage
VS
Internal regulated 5V, VREGEN = 5V
4.8
V
COM Voltage
VCOM
1.9
2.05
2.2
V
INPUT AMPLIFIER CHARACTERISTICS
Capacitive Drive
CL
30
pF
Output Swing (Note 6)
Sinking ±1mA
±2
V
Open-Loop Gain
AVO
VFB_ = VCOM ±500mV, RFB_= 20k
Ω to IN_
88
dB
Input Offset Voltage
VOS
±1
mV
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