参数资料
型号: TS421-2
厂商: 意法半导体
英文描述: 360mW MONO AMPLIFIER WITH STANDBY MODE
中文描述: 只有360mW单声道放大器具有待机模式
文件页数: 1/32页
文件大小: 990K
代理商: TS421-2
1/32
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OPERATING FROM Vcc=2V to 5.5V
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STANDBY MODE
ACTIVE HIGH (TS419) or
LOW (TS421)
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OUTPUT POWER into 16
:
367mW @ 5V
with 10% THD+N max or 295mW @5V and
110mW @3.3V with 1% THD+N max.
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LOW CURRENT CONSUMPTION:
2.5mA max
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High Signal-to-Noise ratio: 95dB(A) at 5V
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PSRR: 56dB typ. at 1kHz, 46dB at 217Hz
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SHORT CIRCUIT LIMITATION
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ON/OFF click reduction circuitry
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Available in
SO8,
MiniSO8 & DFN 3x3
DESCRIPTION
The TS419/TS421 is a monaural audio power am-
plifier driving in BTL mode a 16 or 32
earpiece or
receiver speaker. The main advantage of this con-
figuration is to get rid of bulky ouput capacitors.
Capable of descending to low voltages, it delivers
up to 220mW per channel (into 16
loads) of con-
tinuous average power with 0.2% THD+N in the
audio bandwidth from a 5V power supply.
An externally controlled standby mode reduces
the supply current to 10nA (typ.). The TS419/
TS421 can be configured by external gain-setting
resistors or used in a fixed gain version.
APPLICATIONS
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16/32 ohms earpiece or receiver speaker driver
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Mobile and cordless phones (analog / digital)
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PDAs & computers
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Portable appliances
ORDER CODE
MiniSO & DFN only available in Tape & Reel with T suffix.
SO is available in Tube (D) and in Tape & Reel (DT)
PIN CONNECTIONS
(top view)
Part
Number
Temp.
Range:
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Package
Gain
Marking
D
S
Q
TS419
TS421
TS419
TS419-2
TS419-4
TS419-8
TS421
TS421-2
TS421-4
TS421-8
-40, +85°C
external
external
external
x2/6dB
TS419I
TS421I
K19A
K19B
K19C
K19D
K21A
K21B
K21C
K21D
tba tba
tba tba x4/12dB
tba tba x8/18dB
tba tba
tba tba x4/12dB
tba tba x8/18dB
external
x2/6dB
TS419IDT: SO8
TS419IST, TS419-xIST: MiniSO8
Standby
Bypass
V +
IN
V
IN-
V
2
OUT
GND
V
CC
V
OUT1
1
2
3
4
8
7
6
5
TS421IDT: SO8
TS421IST, TS421-xIST: MiniSO8
TS419IQT, TS419-xIQT: DFN8
TS421IQT, TS421-xIQT: DFN8
1
2
3
4
5
8
7
6
STANDBY
BYPASS
V
IN+
Vcc
V
OUT 1
GND
V
IN-
V
OUT 2
1
2
3
4
5
8
7
6
STANDBY
BYPASS
V
IN+
Vcc
V
OUT 1
GND
V
IN-
V
OUT 2
TS419
TS421
360mW MONO AMPLIFIER WITH STANDBY MODE
June 2003
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相关代理商/技术参数
参数描述
TS421-4 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:360mW MONO AMPLIFIER WITH STANDBY MODE
TS421-8 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:360mW MONO AMPLIFIER WITH STANDBY MODE
TS421ID 功能描述:音频放大器 360mW Mono Amplifier RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel
TS421IDT 功能描述:音频放大器 360mW Mono Amplifier RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel
TS421IQT 功能描述:音频放大器 360mW mono audio amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel