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参数资料
| 型号： | MAX9788ETI+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/13页 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO PWR 2.4W G 28TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | G 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： | 2.4W x 1 @ 8 欧姆 |
| 电源电压： | 2.7 V ~ 5.5 V |
| 特点： | 消除爆音，差分输入，关闭 |
| 安装类型： | 表面贴装 |
| 供应商设备封装： | 28-TQFN-EP（5x5） |
| 封装/外壳： | 28-WFQFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
MAX9788
14VP-P, Class G Ceramic Speaker Driver
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VCC = VCPVDD = VSHDN = 3.6V, VGND = VCPGND = 0V, RIN+ = RIN- = 10k
Ω, RFB+ = RFB- = 10kΩ, RFS = 100kΩ, C1 = 4.7F, C2 =
10F; load connected between OUT+ and OUT-, ZLOAD = 10
Ω + 1F, unless otherwise stated; TA = TMIN to TMAX, unless otherwise
noted. Typical values are at TA = +25°C.) (Notes 2, 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.
(Voltages with respect to GND.)
VCC, CPVDD .............................................................-0.3V to +6V
PVSS, SVSS ...............................................................-6V to +0.3V
CPGND..................................................................-0.3V to +0.3V
OUT+, OUT-...................................(SVSS - 0.3V) to (VCC + 0.3V)
IN+, IN-, FB+, FB- ......................................-0.3V to (VCC + 0.3V)
C1N .........................................(PVSS - 0.3V) to (CPGND + 0.3V)
C1P ......................................(CPGND - 0.3V) to (CPVDD + 0.3V)
FS, SHDN ...................................................-0.3V to (VCC + 0.3V)
Continuous Current Into/Out of
OUT+, OUT-, VCC, GND, SVSS .....................................800mA
CPVDD, CPGND, C1P, C1N, PVSS.................................800mA
Any Other Pin ..................................................................20mA
Continuous Power Dissipation (TA = +70°C)
20-Bump WLP (derate 10.3mW/°C
above +70°C) (Note 1)..................................................827mW
28-Pin TQFN (derate 20.8mW/°C above +70°C) ........1667mW
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) ................................+300°C
Bump Temperature (soldering) Reflow............................+235°C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
GENERAL
Supply Voltage Range
VCC
Inferred from PSRR test
2.7
5.5
V
Quiescent Current
ICC
812
mA
Shutdown Current
ISHDN
SHDN = GND
0.3
5
A
Turn-On Time
tON
Time from shutdown or power-on to full
operation
50
ms
Input DC Bias Voltage
VBIAS
IN_ inputs (Note 4)
1.1
1.24
1.4
V
ILOAD = 0mA (slow mode)
55
83
110
Charge-Pump Oscillator
Frequency
fOSC
ILOAD > 100mA (normal mode)
230
330
470
kHz
VIH
1.4
SHDN Input Threshold
(Note 5)
VIL
0.4
V
SHDN Input Leakage Current
±1
A
SPEAKER AMPLIFIER
TA = +25°C
±3
±15
Output Offset Voltage
VOS
TMIN
≤ TA ≤ TMAX
±20
mV
Click-and-Pop Level
VCP
Peak voltage into/out of shutdown
A-weighted, 32 samples per second
(Notes 6, 7)
-67
dBV
Voltage Gain
AV
(Notes 4, 8)
11.5
12
12.5
dB
VCC = 5V
7.1
VCC = 4.2V
5.9
VCC = 3.6V
5.1
Output Voltage
VOUT
f = 1kHz, 1% THD+N
VCC = 3.0V
4.2
VRMS
Note 1: 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, see www.maxim-ic.com/thermal-tutorial.
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