- 您現在的位置：買賣IC網 > PDF目錄382355 > MXF10A (National Semiconductor Corporation) 1W Monaural, 85mW Stereo Headphone Audio Amplifier PDF資料下載
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： | 6/15頁 |
| 文件大小： | 384K |
| 代理商： | MXF10A |
External Components Description
(
Figure 1
)
Components
1.
Functional Description
R
i
This is the input resistor for the inverting input that, along with the 62.5k
internal feedback resistor R
f
, sets
the first stage’s closed-loop gain. The overall SE gain is A
V
(SE) = 62.5k
/ R
i
, whereas the overall BTL gain
is A
V
(BTL) = -125k
/ R
i
. Input resistance R
i
and input capacitance C
i
form a high pass filter. The filter’s
cutoff frequency is filter’s cutoff frequency is f
C
= 1 / 2
π
R
i
C
i
.
This is the input coupling capacitor. It blocks DC voltage at the amplifier’s inverting input. C
i
and R
i
create a
highpass filter. The filter’s cutoff frequency is f
C
= 1 / 2
π
R
i
C
i
. Refer to the Application Information section,
SELECTING EXTERNAL COMPONENTS, for an explanation of determining C
i
’s value.
This is the output coupling capacitor. Refer to the Application Information section, SELECTING EXTERNAL
COMPONENTS, for an explanation of determining C
C
’s value.
The supply bypass capacitor. Refer to the POWER SUPPLY BYPASSING section for information about
properly placing, and selecting the value of this capacitor.
This capacitor filters the half-supply voltage present on the BYPASS pin. Refer to the Application Information
section, SELECTING EXTERNAL COMPONENTS, for information about properly placing, and selecting the
value of this capacitor.
2.
C
i
3.
C
C
4.
C
S
5.
C
B
Typical Performance Characteristics
THD+N vs Output Power
V
DD
= 3V, BTL, f = 1kHz
A
V
= 8dB, R
L
= 8
THD+N vs Output Power
V
= 3V, BTL
A
V
= 8dB, R
L
= 8
200634C4
200634C6
THD+N vs Output Power
V
= 3V, Stereo
A
V
= 1.9dB, R
L
= 32
THD+N vs Output Power
V
DD
= 5V, BTL, f = 1kHz
A
V
= 8dB, R
L
= 8
200634C8
200634C9
L
www.national.com
6
相關PDF資料 |
PDF描述 |
|---|---|
| MXT6A-12SA | Automotive Relays; V23086C2001A403 ( Tyco Electronics ) |
| MXT6A-12SA(-P) | Non-Isolated Power Module |
| MZP4746A | 3 Watt DO-41 Surmetic 30 Zener Voltage Regulators |
| MZP4749A | 3 Watt DO-41 Surmetic 30 Zener Voltage Regulators |
| MZP4740A | PCB Relay; Contacts:SPDT; Coil Voltage DC Max:24V; Contact Carry Current:2A; Coil Resistance:1550ohm; Mounting Type:PCB; Relay Mounting:PC Board; Contact Rating:2A; Switch Function:SPDT |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MXF12-20 | 制造商:SMC Corporation of America 功能描述:CYL, SLIDE |
| MXF12-50 | 制造商:SMC Corporation of America 功能描述:CYL, SLIDE |
| MXF20-30-A93 | 制造商:SMC Corporation of America 功能描述:CYL, SLIDE, AUTO-SW |
| MXF8-10 | 制造商:SMC Corporation of America 功能描述:CYL, SLIDE |
| MXF8-10-M9NL | 制造商:SMC Corporation of America 功能描述:CYL, SLIDE TABLE |
發布緊急采購，3分鐘左右您將得到回復。