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參數(shù)資料
| 型號(hào)： | RT9131 |
| 英文描述： | Amplifier |
| 中文描述： | 放大器 |
| 文件頁(yè)數(shù)： | 1/14頁(yè) |
| 文件大小： | 225K |
| 代理商： | RT9131 |
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Preliminary
RT9131
DS9131-01 November 2002
www.richtek.com.tw
1
Class AB Stereo Headphone Drive with Mute
General Description
The RT9131 is an integrated class AB stereo
headphone driver contained in a SOP-8 or DIP-8
plastic package with Mute feature. A class AB output
stage bias control circuit is employed to maintain low
audio signal distortion and power consumption. The
RT9131 further integrates a voltage divider inside
the chip. Thus, the external resistors can be
eliminated. The device is fabricated in a CMOS
process and has been primarily developed for
portable digital audio applications.
Ordering Information
RT9131
Marking Information
Part Number
Marking
RT9131CN
RT9131CN
RT9131CS
RT9131CS
Typical Application Circuit
Features
z
High Signal-to-Noise Ratio
z
High Slew Rate
z
Low Distortion
z
Large Output Voltage Swing
z
Flexible Mute Function
z
Excellent Power Supply Ripple Rejection
z
Low Power Consumption
z
Short-circuit Elimination
z
Wide Temperature Range
z
No Switch ON/OFF Clicks
z
Integrated Voltage Divider (V
DD
/2) to Eliminate
External Resistors
Applications
z
Portable Digital Audio
Pin Configurations
Part Number
Pin Configurations
RT9131CN
(Plastic DIP-8)
RT9131CS
(Plastic SOP-8)
TOP VIEW
Operating Tmperature Rnge
C: Commercial Standard
PackageType
N : DIP-8
S : SOP-8
OUTA
MUTE
INA
GND
1
2
3
4
8
7
6
5
VDD
OUTB
BIAS
INB
OUTA
MUTE
RT9131
INA
GND
VDD
OUTB
BIAS
INB
1
2
3
4
8
7
6
5
V
INA
C2
2.2
μ
F
+
C7 220
μ
F
+
C6 220
μ
F
+
V
DD
C1
100
μ
F
+C5
4.7
μ
F
V
INB
C3 2.2
μ
F
V
MUTE
R1
100K
C4
1
μ
F
H: Speaker Action
L: Mute On
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| RT9166 | Ultra-Fast Transient Response |
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| RT9167A | SHDN/BP. Low-Noise |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| RT9131CN | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Class AB stereo Headphone Drive with Mute |
| RT9131CS | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Class AB stereo Headphone Drive with Mute |
| RT9133A | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Rail-to-Rail Operational Amplifier |
| RT9133AGB | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Rail-to-Rail Operational Amplifier |
| RT9133AGF | 制造商:RICHTEK 制造商全稱:Richtek Technology Corporation 功能描述:Rail-to-Rail Operational Amplifier |
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