參數(shù)資料
型號(hào)： MAX9750AEUI
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 音頻控制
英文描述： 2.6W Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers
中文描述： VOLUME CONTROL CIRCUIT, PDSO28
封裝： 4.40 MM, MO-153AE, TSSOP-28
文件頁(yè)數(shù)： 2/31頁(yè)
文件大?。?/td> 673K
代理商： MAX9750AEUI
M
2.6W Stereo Audio Power Amplifiers and
DirectDrive Headphone Amplifiers
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (V
DD
, PV
DD
, HPV
DD
, CPV
DD
to GND)..........+6V
GND to PGND.....................................................................±0.3V
CPV
SS
, C1N, V
SS
to GND .........................-6.0V to (GND + 0.3V)
HPOUT_ to GND....................................................................±3V
Any Other Pin .............................................-0.3V to (V
DD
+ 0.3V)
Duration of OUT_ Short Circuit to GND or PV
DD
........Continuous
Duration of OUT_+ Short Circuit to OUT_-.................Continuous
Duration of HPOUT_ Short Circuit to GND,
V
SS
or HPV
DD
.........................................................Continuous
Continuous Current (PV
DD
, OUT_, PGND) ...........................1.7A
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.
Continuous Current (CPV
DD
, C1N, C1P, CPV
SS
, V
SS
, HPV
DD
,
HPOUT_).......................................................................850mA
Continuous Input Current (All Other Pins)........................±20mA
Continuous Power Dissipation (T
A
= +70°C)
28-Pin Thin QFN (derate 20.8mW/°C above +70°C) ..1667mW
28-Pin TSSOP-EP (derate 23.8mW/°C above +70°C).1904mW
Junction Temperature......................................................+150°C
Operating Temperature Range ...........................-40°C to +85°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
ELECTRICAL CHARACTERISTICS
(V
DD
= PV
DD
= CPV
DD
= HPV
DD
= 5V, GND = PGND = CPGND = 0V,
SHDN
= V
DD
, C
BIAS
= 1μF, C1 = C2 = 1μF, speaker load ter-
minated between OUT_+ and OUT_-, headphone load terminated between HPOUT_ and GND, MAX9750: GAIN1 = GAIN2 = VOL =
R
L
= 33k
= GND, MAX9751/MAX9755: GAIN = V
DD
= IN1/
2
= GND, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are
at T
A
= +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
GENERAL
Supply Voltage Range
V
DD
, PV
DD
CPV
DD
,
HPV
DD
Inferred from PSRR test
4.5
5.5
V
Headphone Supply Voltage
Inferred from PSRR test
3
5.5
V
HPS = GND, speaker mode, R
L
=
∞
HPS = V
DD
, headphone mode, R
L
=
∞
SHDN
= GND
14
7
0.2
1.8
10
20
25
29
13
5
1.9
Quiescent Supply Current
I
DD
mA
Shutdown Supply Current
Bias Voltage
Switching Time
Input Resistance
Turn-On Time
SPEAKER AMPLIFIER (HPS = GND)
I
SHDN
V
BIAS
t
SW
R
IN
t
SON
μA
V
μs
k
ms
1.7
Gain or input switching
Amplifier inputs (Note 2)
10
30
Output Offset Voltage
V
OS
Measured between OUT_+ - OUT_-
±
0.4
±
6
mV
PV
DD
or V
DD
= 4.5V to 5.5V (T
A
= +25
°
C)
f = 1kHz, V
RIPPLE
= 200mV
P-P
f = 10kHz, V
RIPPLE
= 200mV
P-P
75
90
80
55
Power-Supply Rejection Ratio
(Note 3)
PSRR
dB
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