参数资料
型号: TS421-8IQT
厂商: STMICROELECTRONICS
元件分类: 音频/视频放大
英文描述: 0.367 W, 1 CHANNEL, AUDIO AMPLIFIER, DSO8
封装: MLFP-8
文件页数: 1/32页
文件大小: 1000K
代理商: TS421-8IQT
1/32
s OPERATING FROM Vcc=2V to 5.5V
s STANDBY MODE ACTIVE HIGH (TS419) or
LOW (TS421)
s OUTPUT POWER into 16
: 367mW @ 5V
with 10% THD+N max or 295mW @5V and
110mW @3.3V with 1% THD+N max.
s LOW CURRENT CONSUMPTION: 2.5mA max
s High Signal-to-Noise ratio: 95dB(A) at 5V
s PSRR: 56dB typ. at 1kHz, 46dB at 217Hz
s SHORT CIRCUIT LIMITATION
s ON/OFF click reduction circuitry
s 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
s 16/32 ohms earpiece or receiver speaker driver
s Mobile and cordless phones (analog / digital)
s PDAs & computers
s 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:
I
Package
Gain
Marking
DS
Q
TS419
-40, +85°C
external
TS419I
TS421
external
TS421I
TS419
external
K19A
TS419-2
tba tba
x2/6dB
K19B
TS419-4
tba tba x4/12dB
K19C
TS419-8
tba tba x8/18dB
K19D
TS421
external
K21A
TS421-2
tba tba
x2/6dB
K21B
TS421-4
tba tba x4/12dB
K21C
TS421-8
tba tba x8/18dB
K21D
TS419IDT: SO8
TS419IST, TS419-xIST: MiniSO8
Standby
Bypass
V+
IN
VIN-
V2
OUT
GND
VCC
VOUT1
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
VIN+
Vcc
VOUT 1
GND
VIN-
VOUT 2
1
2
3
4
5
8
7
6
STANDBY
BYPASS
VIN+
Vcc
VOUT 1
GND
VIN-
VOUT 2
1
2
3
4
5
8
7
6
STANDBY
BYPASS
VIN+
Vcc
VOUT 1
GND
VIN-
VOUT 2
1
2
3
4
5
8
7
6
STANDBY
BYPASS
VIN+
Vcc
VOUT 1
GND
VIN-
VOUT 2
TS419
TS421
360mW MONO AMPLIFIER WITH STANDBY MODE
June 2003
相关PDF资料
PDF描述
TS421-8IST 0.367 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
TS421IDT 0.367 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
TS421ID 0.367 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
TS421IQT 0.367 W, 1 CHANNEL, AUDIO AMPLIFIER, DSO8
TS421IST 0.367 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
相关代理商/技术参数
参数描述
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
TS421IST 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
TS4264 制造商:TSC 制造商全称:Taiwan Semiconductor Company, Ltd 功能描述:5V/150mA Fixed-Voltage Ultra Low LDO