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FAN7031MTF Datasheet

  • FAN7031MTF

  • 2W Stereo Power Amplifier with Four Selectable Gain Setting...

  • 20頁(yè)

  • FAIRCHILD

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www.fairchildsemi.com
FAN7031
2W Stereo Power Amplifier with Four Selectable
Gain Setting and Headphone Drive
Features
鈥?1.85W
RMS
and 2.45W
RMS
Power Per Each Channel Into
4鈩?Load With Less Than 1% and 10% THD+N,
Respectively
鈥?Selectable Gain Via Internal Gain Control Circuit Which
Eliminates External Gain Setting Resistors : 6dB, 10.3dB,
15.6dB, 21.6dB(Select)
鈥?Low Quiescent Current : Typical 5.5mA@5V
鈥?Low Shutdown Current : Typical 0.04碌A(chǔ)@5V
鈥?Fully Differential Input, Which Immunes the Common
Mode Noise
鈥?Stereo Headphone Drive
鈥?Active Low Shutdown Logic
鈥?Guaranteed Stability Under No Load Condition
鈥?Thermally Enhanced Surface-Mount 20TSSOP-EP
Package
Description
The FAN7031 is a dual fully differential power amplifier in a
20-pin TSSOP-EP thermally enhanced package. When
delivering 1.85W of continuous RMS power into 4鈩?speaker
at 5V supply, the FAN7031 has less than 1% of THD+N over
the entire audible frequency range, 20Hz to 20kHz. To save
power consumption in the portable applications, the
FAN7031 provides shutdown function. Setting the shutdown
pin to ground level, the FAN7031 falls into shutdown mode
and consumes less than 4碌A(chǔ) over all supply voltage range,
2.7V to 5.5V. Two gain setting pins(G0 and G1) control the
gain of the FAN7031. The gain is selectable to 6dB, 10dB,
15.6dB and 21.6dB. The FAN7031 provides the single-
ended(SE) operation by setting SE/BTL pin to above V
DD
/2.
Using SE/BTL pin and a mechanical switch which provides
at the headphone jack, SE mode and BTL mode are automat-
ically determined. Additional components such as resistors
for gain setting and bootstrap capacitors are not needed,
making the FAN7031 well suited for portable sound systems
and other hand-held sound equipment. Target applications
include notebook and desktop computers and portable audio
equipment.
20-TSSOP-EP
1
Rev. 1.0.1
漏2003 Fairchild Semiconductor Corporation

FAN7031MTF 產(chǎn)品屬性

  • Fairchild Semiconductor

  • 音頻放大器

  • Class-AB

  • 2.45 W

  • 2-Channel Stereo

  • 21.3 dB

  • 0.2 %

  • 3 V, 5 V

  • + 85 C

  • SMD/SMT

  • TSSOP-20 EP

  • Tube

  • 4 Ohms

  • Differential

  • - 40 C

  • Differential, Single

  • 73

  • Single

  • 5.5 V

  • 2.7 V

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