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參數資料
| 型號： | MXF10A |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | 1W Monaural, 85mW Stereo Headphone Audio Amplifier |
| 中文描述： | 1W的單聲道，85mW立體聲耳機音頻放大器 |
| 文件頁數： | 3/15頁 |
| 文件大小： | 384K |
| 代理商： | MXF10A |
Absolute Maximum Ratings
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
(Note 3)
Supply Voltage
Storage Temperature
Input Voltage
Power Dissipation (Note 4)
ESD Susceptibility (Note 5)
ESD Susceptibility (Note 6)
Junction Temperature
Solder Information
Small Outline Package
Vapor Phase (60sec)
6.0V
65C to +150C
0.3V to V
DD
+0.3V
Internally Limited
2000V
200V
150C
215C
Infrared (15sec)
See AN-450 "Surface Mounting
and their Effects on Product
Reliability" for other methods of
soldering surface-mount devices.
Thermal Resistance
θ
JA
(typ) - MXF10A
220C
46C/W
Operating Ratings
Temperature Range
T
MIN
≤
T
A
≤
T
MAX
Supply Voltage
40C
≤
T
A
≤
85C
2.5V
≤
V
DD
≤
5.5V
Electrical Characteristics for Entire Amplifier (V
DD
= 5V)
The following specifications apply for the circuit shown in Figure 1, unless otherwise specified. Limits apply for T
A
= 25C.
(Note 3)
Symbol
Parameter
Conditions
LM4914
Units
(Limits)
Typical
(Note 8)
Limit
(Notes 9, 10)
2.5
5.5
6.5
5
V
DD
Supply Voltage
V (min)
V (max)
mA (max)
μA (max)
I
DD
I
SD
Quiescent Power Supply Current
Shutdown Quiescent Power Supply
Current
Output Offset Voltage
V
IN
= 0V, I
O
= 0A, No Load
V
SHUTDOWN
= GND
4
0.03
V
OS
7
30
mV (max)
PSRR
Power Supply Rejection Ratio
V
DD
= 5V, C
BYPASS
= 0.47μF,
V
ripple
= 200mVp-p 1kHz sine wave
R
L
= 8
52 BTL
60 SE
dB
HP-S
VIH
HP-SENSE Logic-High Threshold
Voltage
HP-SENSE Logic-Low Threshold
Voltage
Shutdown Logic High Threshold
Shutdown Logic LowThreshold
4.5
V (min)
HP-S
VIL
2.75
V (max)
SD
VIH
SD
VIL
2.0
0.8
V (min)
V (max)
L
www.national.com
3
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