Datasheet > LM4811_15

LM4811_15

更新时间： 2022-10-12 16:46:59

品牌	Logo	应用领域
友顺 - UTC		放大器
页数	文件大小	规格书
9页	204K
描述
DUAL 105mW HEADPHONE AMPLIFIER WITH DIGITAL VOLUME CONTROL

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数据手册

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LM4811_15 数据手册

LM4811

Preliminary

CMOS IC

ABSOLUTE MAXIMUM RATING (T_C= 25°C, unless otherwise specified)

PARAMETER

SYMBOL

V_CC

RATINGS

6.0

UNIT

Supply Voltage

Junction Temperature

Storage Temperature

T_J

150

℃

T_STG

-65~ +150

℃

Notes: 1. Absolute maximum ratings are those values beyond which the device could be permanently damaged.

Absolute maximum ratings are stress ratings only and functional device operation is not implied.

THERMAL DATA

PARAMETER

SYMBOL

θ_JA

RATINGS

194

UNIT

°C/W

Junction to Ambient

Junction to Case

θ_JC

OPERATING RATINGS

PARAMETER

SYMBOL

V_CC

RATINGS

2.0 ~ 5.5

-40 ~ 85

UNIT

Supply Voltage

Operating Temperature

T_A

°C

ELECTRICAL CHARACTERISTICS (T_A=25°C, unless otherwise specified) (Note 4, 5)

For V_DD=5V

PARAMETER

SYMBOL

V_DD

TEST CONDITIONS

MIN TYP MAX UNIT

Supply Voltage

2.0

5.5

3.0

Supply Current

I_DD

V_IN=0V, I_O=0A

1.3

0.3

4.0

105

μA

Shutdown Current

Output Offset Voltage

I_SD

V_IN=0V

V_OS

R_L=16Ω

R_L=32Ω

Output Power

P_O

THD+N=0.1%, f=1kHz

Total Harmonic Distortion

Channel Separation

THD+N P_O=50mW, R_L=32Ω, f=20Hz~20kHz

Crosstalk R_L=32Ω, f=1kHz, P_O=70mW

0.3

100

C_B=1.0μF,V_RIPPLE=100mV_PP

f=217Hz

Power Supply Rejection Ratio

PSRR

Input Voltage

(Clock, UP/DN, Shutdown)

High

Low

V_IH

V_IL

1.4

0.4

Input referred minimum gain

Input referred maximum gain

All 16 discrete steps

-33

+12

3.0

Digital Volume Range

Digital Volume Stepsize

Stepsize Error

All 16 discrete steps

±0.3

Channel-to-Channel Volume

Tracking Error

All gain settings from -33dB ~ +12dB

Shutdown mode active

0.15

-100

Shutdown Attenuation

UNISONIC TECHNOLOGIES CO., LTD

4 of 9

QW-R502-560.a

www.unisonic.com.tw

1 2 345 6 7...9

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