参数资料
型号: TS489IQT
厂商: STMICROELECTRONICS
元件分类: 音频/视频放大
英文描述: 0.13 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO8
封装: 2 X 2 MM, DFN-8
文件页数: 1/32页
文件大小: 570K
代理商: TS489IQT
September 2006
Rev 4
1/32
32
TS488-TS489
Pop-free 120mW stereo headphone amplifier
Features
Pop and click noise protection circuitry
Operating range from VCC = 2.2V to 5.5V
Standby mode active low (TS488) or high (TS489)
Output power:
– 120mW @5V, into 16
Ω with 0.1% THD+N
max (1kHz)
– 55mW @3.3V, into 16
Ω with 0.1% THD+N
max (1kHz)
Low current consumption: 2.7mA max @5V
Ultra low standby current consumption: 10nA
typical
High signal-to-noise ratio
High crosstalk immunity: 102dB (F = 1kHz)
PSRR: 70dB typ. (F = 1kHz), inputs grounded
@5V
Unity-gain stable
Short-circuit protection circuitry
Available in lead-free MiniSO-8 & DFN8
2mm x 2mm
Description
The TS488/9 is an enhancement of TS486/7 that
eliminates pop and click noise and reduces the
number of external passive components.
The TS488/9 is a dual audio power amplifier
capable of driving, in single-ended mode, either a
16
Ω or a 32Ω stereo headset.
Capable of descending to low voltages, it delivers
up to 31mW per channel (into 16
Ω loads) of
continuous average power with 0.1% THD+N in
the audio bandwidth from a 2.5V power supply.
An externally-controlled standby mode reduces
the supply current to 10nA (typ.). The unity gain
stable TS488/9 is configured by external gain-
setting resistors.
Applications
Headphone amplifier
Mobile phone, PDA, computer motherboard
High-end TV, portable audio player
TS488IST - MiniSO-8
OUT (1)
4
3
2
1
BYPASS
GND
VCC
OUT (2)
VIN (2)
SHUTDOWN
VIN (1)
5
6
7
8
OUT (1)
4
3
2
1
BYPASS
GND
VCC
OUT (2)
VIN (2)
SHUTDOWN
VIN (1)
5
6
7
8
OUT (1)
4
3
2
1
BYPASS
GND
VCC
OUT (2)
VIN (2)
SHUTDOWN
VIN (1)
5
6
7
8
OUT (1)
4
3
2
1
BYPASS
GND
VCC
OUT (2)
VIN (2)
SHUTDOWN
VIN (1)
5
6
7
8
OUT (1)
4
3
2
1
BYPASS
GND
VCC
OUT (2)
VIN (2)
SHUTDOWN
VIN (1)
5
6
7
8
TS488IQT - DFN8
TS489IQT - DFN8
TS489IST - MiniSO-8
8
Bypass
GND
Shutdown
Vcc
OUT (2)
OUT (1)
7
6
5
1
2
3
4
VIN (2)
VIN (1)
8
Bypass
GND
Shutdown
Vcc
OUT (2)
OUT (1)
7
6
5
1
2
3
4
VIN (2)
VIN (1)
8
Bypass
GND
Shutdown
Vcc
OUT (2)
OUT (1)
7
6
5
1
2
3
4
VIN (2)
VIN (1)
8
Bypass
GND
Shutdown
Vcc
OUT (2)
OUT (1)
7
6
5
1
2
3
4
VIN (2)
VIN (1)
8
Bypass
GND
Shutdown
Vcc
OUT (2)
OUT (1)
7
6
5
1
2
3
4
VIN (2)
VIN (1)
相关PDF资料
PDF描述
TS489IST 0.13 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO8
TS4890IDT 1 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
TS4890ID 1 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
TS4890IST 1 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
TS4890IQT 1 W, 1 CHANNEL, AUDIO AMPLIFIER, DSO8
相关代理商/技术参数
参数描述
TS489IST 功能描述:音频放大器 Popfree 100mW stereo headphone 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
TS4900 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:300mW at 3.3V SUPPLY AUDIO POWER AMPLIFIER WITH STANDBY MODE ACTIVE HIGH
TS4900ID 功能描述:音频放大器 300mW Audio Pwr 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
TS4900IDT 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:300mW at 3.3V SUPPLY AUDIO POWER AMPLIFIER WITH STANDBY MODE ACTIVE HIGH
TS4900IS 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:300mW at 3.3V SUPPLY AUDIO POWER AMPLIFIER WITH STANDBY MODE ACTIVE HIGH