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參數(shù)資料
| 型號： | MAX9718A |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Low-Cost, Mono/Stereo,1.4W Differential Audio Power Amplifiers |
| 中文描述： | 低成本，單聲道/立體聲，以1.4W差分音頻功率放大器 |
| 文件頁數(shù)： | 2/23頁 |
| 文件大?。?/td> | 569K |
| 代理商： | MAX9718A |
M
Low-Cost, Mono/Stereo,
1.4W Differential Audio Power Amplifiers
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (V
CC
to GND)..................................-0.3V to +6V
Any Other Pin to GND ...............................-0.3V to (V
CC
+ 0.3V)
IN_, BIAS, SHDM, SHDN,
SHDN
Continuous Current........20mA
OUT_ Short-Circuit Duration to GND or V
CC
.............Continuous
Continuous Power Dissipation (T
A
= +70
°
C)
9-Bump UCSP (derate 5.2mW/
°
C above +70
°
C)..........412mW
10-Pin TDFN (derate 24.4mW/
°
C above +70
°
C) ........1951mW
10-Pin μMAX (derate 10.3mW/
°
C above +70
°
C)..........825mW
16-Bump UCSP (derate 8.2mW/
°
C above +70
°
C) .......659mW
16-Pin TQFN (derate 16.9mW/
°
C above +70
°
C) ........1349mW
16-Pin TSSOP (derate 21.3mW/
°
C above +70
°
C) ......1702mW
ELECTRICAL CHARACTERISTICS—5V Supply
(V
CC
= 5V, GND = 0, SHDN/
SHDN
= V
CC
(MAX9718/MAX9719), SHDM = GND (MAX9718), R
IN
= R
F
= 10k
(MAX971_A),
T
A
= +25
°
C. C
BIAS
= 0.1μF, no load. Typical values are at T
A
= +25
°
C, unless otherwise noted.) (Note 1)
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.
Operating Temperature Range ...........................-40
°
C to +85
°
C
Junction Temperature .....................................................+150
°
C
Storage Temperature Range.............................-65
°
C to +150
°
C
Bump Temperature (soldering) Reflow............................+235
°
C
Lead Temperature (soldering, 10s).................................+300
°
C
PARAMETER
SYMBOL
V
CC
CONDITIONS
MIN
2.7
TYP
MAX
5.5
UNITS
V
Supply Voltage
Supply Current
I
CC
V
IN-
= V
IN+
= V
BIAS
, T
A
= -40
°
C to +85
°
C,
per amplifier (Note 2)
5.0
7.5
mA
Shutdown Supply Current
I
SHDN
V
IH
V
IL
SHDN = SHDM =
SHDN
= GND, per amplifier
0.1
1
μA
0.7 x V
CC
SHDN
, SHDN, SHDM
Threshold
0.3 x V
CC
V
CC
/2 +
5%
V
Common-Mode Bias Voltage
V
BIAS
(Note 3)
V
CC
/2
- 5%
V
CC
/2
V
A
V
= 0dB, MAX971_A,
MAX971_B
±1
±10
A
V
= 3dB, MAX971_C
A
V
= 6dB, MAX971_D
A
V
= 0dB, MAX971_B
A
V
= 3dB, MAX971_C
A
V
= 6dB, MAX971_D
±1
±1
±15
±20
Output Offset Voltage
V
OS
V
IN-
= V
IN+
= V
BIAS
mV
0.5
0.5
0.5
0.5
10
-50
V
CC
- 0.5
V
CC
- 0.6
V
CC
- 0.8
V
CC
- 1.2
20
Inferred from
CMRR test
Common-Mode Input Voltage
V
IC
External gain, MAX971_A
MAX971_B, MAX971_C, MAX971_D
V
Input Impedance
R
IN
15
-60
-60
k
Common-Mode Rejection Ratio
CMRR
f
n
= 1kHz
V
IN-
= V
IN+
= V
BIAS
,
V
RIPPLE
= 200m V
P-P
,
R
L
= 8
C
BIAS
= 1μF
THD+N = 1%,
f
IN
= 1kHz (Note 4)
dB
f = 217Hz
-93
Power-Supply Rejection Ratio
PSRR
f = 1kHz
-90
dB
R
L
= 8
R
L
= 4
0.8
1.1
1.4
Output Power
P
OUT
W
Total Harmonic Distortion Plus
Noise
THD+N
R
L
= 8
, f
IN
= 1kHz, P
OUT
= 0.75W,
V
CC
= 5V, A
V
= 6dB (Note 5)
0.002
%
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