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參數(shù)資料
| 型號： | MAX9725DETC+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 10/17頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP AUDIO .025W STER 12TQFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 系列： | DirectDrive® |
| 類型： | AB 類 |
| 輸出類型： | 耳機(jī)，2-通道（立體聲） |
| 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量： | 25mW x 2 @ 16 歐姆 |
| 電源電壓： | 900 mV ~ 1.8 V |
| 特點(diǎn)： | 消除爆音，短路保護(hù)，關(guān)機(jī) |
| 安裝類型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 12-TQFN-EP（4x4） |
| 封裝/外殼： | 12-WQFN 裸露焊盤 |
| 包裝： | 帶卷 (TR) |
MAX9725
1V, Low-Power, DirectDrive, Stereo Headphone
Amplifier with Shutdown
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
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.
SGND to PGND .....................................................-0.3V to +0.3V
VDD to SGND or PGND ............................................-0.3V to +2V
VSS to PVSS ...........................................................-0.3V to +0.3V
C1P to PGND..............................................-0.3V to (VDD + 0.3V)
C1N to PGND............................................(PVSS - 0.3V) to +0.3V
VSS, PVSS to GND ....................................................+0.3V to -2V
OUTR, OUTL, INR, INL to SGND
(MAX9725A–MAX9725D)..............(VSS - 0.3V) to (VDD + 0.3V)
OUTR, OUTL to SGND
(MAX9725E) ..................................(VSS - 0.3V) to (VDD + 0.3V)
INR, INL to SGND (MAX9725E)...................................-4V to +4V
SHDN to SGND or PGND .........................................-0.3V to +4V
Output Short-Circuit Current ......................................Continuous
Continuous Power Dissipation (TA = +70
°C)
12-Bump UCSP (derate 6.5mW/
°C above +70°C)....518.8mW
12-Pin Thin QFN (derate 16.9mW/
°C above +70°C) ..1349.1mW
Junction Temperature ......................................................+150
°C
Operating Temperature Range ...........................-40
°C to +85°C
Storage Temperature Range .............................-65
°C to +150°C
Bump Temperature (soldering) Reflow............................+230
°C
Lead Temperature (soldering, 10s) .................................+300
°C
ELECTRICAL CHARACTERISTICS (MAX9725A–MAX9725D)
(VDD = 1.5V, VPGND = VSGND = 0V, VSHDN = 1.5V, VSS = VPVSS, C1 = C2 = 1F, CIN = 1F, RL = ∞, TA = TMIN to TMAX, unless other-
wise noted. Typical values are at TA = +25
°C.) (See the Functional Diagrams.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Supply Voltage Range
VDD
Guaranteed by PSRR test
0.9
1.8
V
Quiescent Supply Current
IDD
Both channels active
2.1
3.3
mA
TA = +25
°C
0.6
10
Shutdown Current
ISHDN
VSHDN = 0V
TA = -40
°C to +85°C30
A
Shutdown to Full Operation
tON
180
s
VIH
VDD = 0.9V to 1.8V
0.7 x VDD
SHDN Thresholds
VIL
VDD = 0.9V to 1.8V
0.3 x VDD
V
SHDN Input Leakage Current
ILEAK
VDD = 0.9V to 1.8V (Note 2)
±1A
CHARGE PUMP
Oscillator Frequency
fOSC
493
580
667
kHz
AMPLIFIERS
MAX9725A
-2.04
-2.00
-1.96
MAX9725B
-1.53
-1.5
-1.47
MAX9725C
-1.02
-1.00
-0.98
Voltage Gain
AV
MAX9725D
-4.08
-4.00
-3.92
V/V
Gain Match
ΔAV
±0.5
%
MAX9725A/MAX9725D
±0.3
±1.05
MAX9725B
±0.45
±1.58
Total Output Offset Voltage
VOS
Input AC-coupled,
RL = 32
Ω to GND,
TA = +25
°C
MAX9725C
±0.6
±2.1
mV
Input Resistance
RIN
15
25
35
k
Ω
VDD = 0.9V to 1.8V, TA = +25
°C60
80
fIN = 1kHz
70
Power-Supply Rejection Ratio
PSRR
100mVP-P ripple
fIN = 20kHz
62
dB
RL = 32
Ω
10
20
VDD = 1.5V
RL = 16
Ω
25
VDD = 1.0V, RL = 32
Ω
7
Output Power (Note 3)
POUT
VDD = 0.9V, RL = 32
Ω
6
mW
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