Datasheet > A2331G9R

A2331G9R

更新时间： 2022-02-26 12:14:15

品牌	Logo	应用领域
创瑞 - AITSEMI		放大器功率放大器
页数	文件大小	规格书
10页	334K
描述
ANTI-CLIP CLASS-D AUDIO POWER AMPLIFIER

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数据手册

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A2331G9R 数据手册

A2331

AUDIO AMPLIFIER

AiT Semiconductor Inc.

www.ait-ic.com

3W ANTI-CLIP CLASS-D AUDIO POWER AMPLIFIER

ELECTRICAL CHARACTERISTICS

V_DD=2.5V to 5V, T_A=25°C, unless otherwise noted.

Parameter Symbol

DC Characteristics

Power Supply Start-Up Threshold Voltage

Power Supply Shut-Down Threshold Voltage V_UVLL

Conditions

Min.

Typ. Max. Unit

V_UVLH

2.5

1.8

Anti-Clip1 Mode Setting Threshold Voltage

Anti-Clip2 Mode Setting Threshold Voltage

V_MOD1

V_MOD2

1.3

0.85

0.5

V_DD

1.15

0.72

Anti-Clip Off Mode Setting Threshold Voltage V_MOD3

Power-Down Mode Setting Threshold

V_MOD4

V_SS

0.14

Voltage

V_DD=3.6V, no load,

no signal input

CTRL<0.2V

Consumption Current

I_DD

Consumption Current in Power-Down Mode

V_REFVoltage

I_PD

µA

V_REF

V_DD/2

AC Characteristics

Start-Up Time

t_STUP

f_c

V_DD=5V,Vr=1uF

C_IN-33nF,Av=17.5dB

V_DD=5V,g=10dB

120

Input Cut-Off Frequency

Attack Time 1

t_AT1

T_RL1

t_AT2

T_RL2

Release Time 1

3.1

Attack Time 2

Release Time 2

1.8

Each Mode Setting Time(Except Power Down) t_MOD

Analog Characteristics

0.1

V_DD=3.6V, A_V=17.5dB,T_A=25°C, C_IN=100nF, Anti-Clip off, unless otherwise noted.

R_L=4Ω,V_DD=5V f=1KHz,

Maximum Output

P_O

THD+N= 10%

R_L=8Ω,V_DD=5V

1.8

0.08

0.06

R_L=4Ω, P_O=0.65W, f=1KHz

R_L=8Ω, P_O=0.65W, f=1KHz

Av=17.5dB A-Weighted

217Hz

Total Harmonic Distortion Rate

THD+N

Residual Noise

µVrms

Signal/Noise Ratio

SNR

PSRR

Power Supply Rejection Ratio

-80

R_L=8Ω, P_O=0. 6W

Maximum Efficiency

R_L=8Ω, P_O=0. 1W,

Output Offset Voltage

Frequency Characteristics

Closed Loop Gain

f_RES

±10

C_IN=0.1µF, f=100Hz to 20KHz

-3

V_DD=5V Anti-Clip Off

17.5

REV2.0

- AUG 2011 RELEASED, JAN 2016 UPDATED -

- 4 -

1 2 345 6 7...10

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