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參數資料
| 型號： | TS421IST |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 0.367 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| 封裝： | MINI, PLASTIC, SO-8 |
| 文件頁數： | 1/32頁 |
| 文件大小： | 1000K |
| 代理商： | TS421IST |
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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
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PDF描述 |
|---|---|
| TS432AILT | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.24 V, PDSO3 |
| TS4604IPT | 0.065 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO28 |
| TS4657IQT | 2 CHANNEL, AUDIO AMPLIFIER, QCC20 |
| TS472IQT | 1 CHANNEL, AUDIO PREAMPLIFIER, QCC24 |
| TS482IDT | 0.107 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| TS4264 | 制造商:TSC 制造商全稱:Taiwan Semiconductor Company, Ltd 功能描述:5V/150mA Fixed-Voltage Ultra Low LDO |
| TS4264_07 | 制造商:TSC 制造商全稱:Taiwan Semiconductor Company, Ltd 功能描述:5V/150mA Fixed-Voltage Ultra Low LDO |
| TS4264CW50 | 功能描述:低壓差穩壓器 - LDO 150mA Ultra LDO 5V Vltg Reg RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| TS4264CW50 RP | 制造商:SKMI/Taiwan 功能描述:FIXED-VOLTAGE ULTRA LOW LDO 5V/150MA |
| TS4264CW50RP | 制造商:TSC 制造商全稱:Taiwan Semiconductor Company, Ltd 功能描述:5V/150mA Fixed-Voltage Ultra Low LDO |
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