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參數(shù)資料
| 型號(hào)： | SM6800A |
| 廠商： | Seiko NPC Corporation |
| 英文描述： | Class-D Mono Amplifier for Mobile Telephones |
| 中文描述： | D類單聲道放大器，移動(dòng)電話 |
| 文件頁(yè)數(shù)： | 8/12頁(yè) |
| 文件大小： | 169K |
| 代理商： | SM6800A |
SM6800A
NIPPON PRECISION CIRCUITS INC.—8
Input Equalizer (IN, EQP, EQN)
An input equalizer network can be connected to pins IN, EQP, and EQN, as shown in the input equivalent cir-
cuit and equalizer circuit below.
The frequency response of the equalizer circuit is given by the following equation, where
is the frequency.
Dynamic Range Compression Mode (TM1, TM2)
The dynamic range compression mode is selected by the state of the TM1 and TM2 inputs. When a compres-
sion mode is used, the gain for small input signals is increased while large input signals are converted using a
curve that performs soft-clipping. This increases the average sound pressure level emitted from the speaker
during playback.
Dynamic range compression
mode
TM1
TM2
Effect
OFF
L
L
No effect
1
H
L
Small effect
2
L
H
Medium effect
3
H
H
Large effect
EQN
VREF1
EQP 3
4
R04
R03 C03
C04
R01
60k
R02 C02
60k
IN
2
C01
IN'
+
Response =
20 ×
log
10
[dB]
1
1
60000
1
R04
+
+
+
2
π
C04
1
2
π
C03
R03
+
+
1
2
π
C01
1
1
60000
1
R01
+
1
+
1
2
π
C02
R02
+
1
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SM6800AB | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:Class-D Mono Amplifier for Mobile Telephones |
| SM6801A | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:Class-D Mono Amplifier for Portable Device |
| SM6801AB | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:Class-D Mono Amplifier for Portable Device |
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| SM6802A | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:Class-D Stereo Amplifier for Portable Device |
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