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參數(shù)資料
| 型號(hào)： | TS487-4 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 100mW STEREO HEADPHONE AMPLIFIER WITH STANDBY MODE |
| 中文描述： | 100兆瓦立體聲耳機(jī)放大器具有待機(jī)模式 |
| 文件頁(yè)數(shù)： | 3/31頁(yè) |
| 文件大小： | 465K |
| 代理商： | TS487-4 |
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TS486-TS487
3/31
FIXED GAIN VERSION SPECIFIC ELECTRICAL CHARACTERISTICS
V
CC
from
+5V to +2V
, GND =
0V
, T
amb
= 25
°
C (unless otherwise specified)
APPLICATION COMPONENTS INFORMATION
TYPICAL APPLICATION SCHEMATICS
Symbol
Parameter
Min.
Typ.
Max.
Unit
R
IN 1,2
Input Resistance
1)
1.
See figure 30 to establish the value of Cin vs. -3dB cut off frequency.
20
k
G
Gain value for Gain TS486/TS487-1
Gain value for Gain TS486/TS487-2
Gain value for Gain TS486/TS487-4
0dB
6dB
12dB
dB
Components
Functional Description
R
IN1,2
Inverting input resistor which sets the closed loop gain in conjunction with R
FEED
. This resistor also
forms a high pass filter with C
IN
(fc = 1 / (2 x Pi x R
IN
x C
IN
)) .
Not needed in fixed gain versions.
C
IN1,2
Input coupling capacitor which blocks the DC voltage at the amplifier’s input terminal.
R
FEED1,2
Feedback resistor which sets the closed loop gain in conjunction with R
IN
.
A
V
= Closed Loop Gain= -R
FEED
/R
IN
.
Not needed in fixed gain versions.
C
S
Supply Bypass capacitor which provides power supply filtering.
C
B
Bypass capacitor which provides half supply filtering.
C
OUT1,2
Output coupling capacitor which blocks the DC voltage at the load input terminal.
This capacitor also forms a high pass filter with RL (fc = 1 / (2 x Pi x R
L
x C
OUT
)).
20k
20k
20k
20k
Vcc
+
220
μ
F
+
220
μ
F
Right In
Left In
+
ZL=32Ohms
+
ZL=32Ohms
+
1
μ
F
+
330nF
+
330nF
+
Cs
1
μ
F
Cin1
Cin2
Rin1
Cout2
Cout1
Rin2
Rfeed1
Rfeed2
Cb
+
-
+
-
8
4
1
7
2
5
3
6
BIAS
TS486=Stdby
TS487=Stdby
VCC
GND
Stdby
Stdby level
threshold=0.9V
Stdby ctrl
1k
1k
Vcc
+
220
μ
F
+
220
μ
F
Right In
Left In
+
ZL=32Ohms
+
ZL=32Ohms
+
1
μ
F
+
330nF
+
330nF
+
Cs
1
μ
F
Cin1
Cin2
Cout2
Cout1
Cb
+
-
+
-
8
VCC
4
1
7
2
3
5
6
BIAS
TS486=Stdby
TS487=Stdby
GND
Stdby
Stdby level
threshold=0.9V
Stdby ctrl
1k
1k
Fixed Gain Version
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TS487 | 100mW STEREO HEADPHONE AMPLIFIER WITH STANDBY MODE |
| TS487-1 | 100mW STEREO HEADPHONE AMPLIFIER WITH STANDBY MODE |
| TS487-2 | 100mW STEREO HEADPHONE AMPLIFIER WITH STANDBY MODE |
| TS4890IS | AUDIO AMPLIFIER|SINGLE|BIPOLAR|TSSOP|8PIN|PLASTIC |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TS487-4IQT | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Amplifier. Other |
| TS487-4IST | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:Amplifier. Other |
| TS487ID | 功能描述:音頻放大器 100mW Headphone Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TS487IDT | 功能描述:音頻放大器 100mW Headphone Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TS487IQT | 功能描述:音頻放大器 100mW stereo headphone amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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