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  • The TS4909 is a stereo audio amplifier designed to drive headphones in portable applications. The integrated phantom ground is a circuit topology that eliminates the heavy output coupling capacitors. This is of primary importance in portable applications where space constraints are very high. A single-ended configuration is also available, offering even lower power consumption because the phantom ground can be switched off. Pop-and-click noise during switch-on and switch-off phases is eliminated by integrated circuitry.

    Specially designed for applications requiring low power supplies, the TS4909 is capable of delivering 31 mW of continuous average power into a 32 Ω load with less than 1% THD+N from a 3 V power supply. Featuring an active low standby mode, the TS4909 reduces the supply current to only 10 nA (typ.). The TS4909 is unity gain stable and can be configured by external gain-setting resistors.

    主要特性

    • No output coupling capacitors necessary
    • Pop-and-click noise reduction circuitry
    • Operating from VCC = 2.2 V to 5.5 V
    • Standby mode active low
    • Output power:
      • 158 mW at 5 V, into 16 Ω with 1% THD+N max (1 kHz)
      • 52 mW at 3.0 V into 16 Ω with 1% THD+N max (1 kHz)
    • Ultra-low current consumption: 2.0 mA typ. at 3 V
    • Ultra-low standby consumption: 10 nA typ.
    • High signal-to-noise ratio: 105 dB typ. at 5 V
    • High crosstalk immunity: 110 dB (F = 1 kHz) for single-ended outputs
    • PSRR: 72 dB (F = 1 kHz), inputs grounded, for phantom ground outputs
    • Low tWU: 50 ms in PG mode, 100 ms in SE mode
    • Available in lead-free DFN10 3 x 3 mm

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质量与可靠性

产品型号 Marketing Status 封装 等级规格 符合RoHS级别 材料声明**
TS4909IQT
批量生产
VDFPN 10 3x3x1.0 工业 Ecopack1

TS4909IQT

Package:

VDFPN 10 3x3x1.0

Material Declaration**:

PDF XML

Marketing Status

批量生产

Package

VDFPN 10 3x3x1.0

Grade

Industrial

RoHS Compliance Grade

Ecopack1

(**) st.com上提供的材料声明表单可能是基于包装系列中最常用的封装的通用文档。因此,它们可能不是100%适用于特定的设备。有关特定设备的信息,请联系 销售支持

样片和购买

产品型号
从分销商订购
从ST订购
供货状态
ECCN (US)
ECCN (EU)
包装类型
封装
温度(ºC) Country of Origin
Budgetary Price (US$)*/Qty
最小值
最大值
TS4909IQT Available at 2 distributors

...的经销商可用性TS4909IQT

代理商名称
地区 库存 最小订购量 第三方链接
ARROW EUROPE 50 0 马上订购
MOUSER WORLDWIDE 2941 1 马上订购

代理商库存报告日期: 2020-09-25

代理商名称

ARROW

库存

50

Min.Order

0

地区

EUROPE 马上订购

MOUSER

库存

2941

Min.Order

1

地区

WORLDWIDE 马上订购

代理商库存报告日期: 2020-09-25

立即购买
批量生产
EAR99 NEC Tape And Reel VDFPN 10 3x3x1.0 -40 85 MALAYSIA 0.454 / 1k

TS4909IQT

供货状态

批量生产

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

0.454 / 1k

...的经销商可用性TS4909IQT

代理商名称
地区 库存 最小订购量 第三方链接
ARROW EUROPE 50 0 马上订购
MOUSER WORLDWIDE 2941 1 马上订购

代理商库存报告日期: 2020-09-25

代理商名称

ARROW

库存

50

Min.Order

0

地区

EUROPE 马上订购

MOUSER

库存

2941

Min.Order

1

地区

WORLDWIDE 马上订购

代理商库存报告日期: 2020-09-25

ECCN (EU)

NEC

包装类型

Tape And Reel

封装

VDFPN 10 3x3x1.0

Operating Temperature (°C)

(最小值)

-40

(最大值)

85

Budgetary Price (US$)* / Qty

0.454 / 1k

Country of Origin

MALAYSIA

(*) 建议转售单价(美元)仅用于预算用途。如需以当地货币计价的报价,请联系您当地的 ST销售办事处 或我们的 经销商