Datasheet > LM4925SDX

LM4925SDX

更新时间： 2022-12-01 19:33:59

品牌	Logo	应用领域
德州仪器 - TI		放大器
页数	文件大小	规格书
16页	1076K
描述
IC 0.04 W, 2 CHANNEL, AUDIO AMPLIFIER, DSO10, LLP-10, Audio/Video Amplifier

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LM4925SDX 数据手册

Absolute Maximum Ratings (Note 1)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Infrared (15 sec)

220˚C

See AN-450 “Surface Mounting and their Effects on

Product Reliablilty” for other methods of soldering

surface mount devices.

Supply Voltage

3.8V

−65˚C to +150˚C

−0.3V to V_DD+0.3V

Internally limited

2000V

Thermal Resistance

Storage Temperature

Input Voltage

θ_JA(typ) MUB10A

θ_JA(typ) LDA10A

175˚C/W

73˚C/W

Power Dissipation (Note 2)

ESD Susceptibility(Note 3)

ESD Susceptibility (Note 4)

Junction Temperature

Solder Information

Operating Ratings

Temperature Range

T_MIN≤ T_A≤ T_MAX

Supply Voltage

200V

150˚C

−40˚C ≤ T_A≤ +85˚C

1.5V ≤ V_DD≤ 3.6V

Small Outline Package Vapor

Phase (60sec)

215˚C

Electrical Characteristics V_DD= 3.0V (Notes 1, 5)

The following specifications apply for the circuit shown in Figure 2 for Single Ended Outputs (A_V= 2.5V) and Figure 3

for BTL Outputs (A_V-BTL= 2), unless otherwise specified. Limits apply for T_A= 25˚C.

Symbol

Parameter

Conditions

LM4925

Units

(Limits)

Typical

Limit

(Note 7)

1.6

(Note 6)

∞

I_DD

Quiescent Power Supply Current

Shutdown Current

V_IN= 0V, I_O= 0A, R_L

V_SHUTDOWN= GND

(Note 8)

1.0

0.1

mA (max)

µA (max)

mV (max)

I_SD

V_OS

Output Offset Voltage

R_L= 8Ω, BTL, Fig. 3,

THD+N = 1%, f = 1kHz

410

350

mW (min)

P_O

Output Power (Note 9)

R_L= 16Ω, Fig. 2, SE per Channel,

THD+N = 1%, f = 1kHz

R_L= 8Ω, BTL, P_O= 300mW,

Fig. 3, f = 1kHz

0.1

THD+N

Total Harmonic Distortion + Noise

Output Voltage Noise

0.5

% (max)

R_L= 16Ω, SE, P_O= 20mW per channel,

Fig.2, f = 1kHz

0.05

20Hz to 20kHz, A-weighted,

Input Referred,

V_NO

µV_RMS

Single Ended Output, Fig. 2

R_L= 16Ω, Fig. 2

Crosstalk

V_RIPPLE= 200mV_P-Psine wave

C_BYPASS= 4.7µF, R_L= 8Ω

f = 100Hz, BTL, Fig. 3

V_RIPPLE= 200mV_P-Psine wave

C_BYPASS= 4.7µF, R_L= 16Ω

f = 100Hz, SE, Fig. 2

PSRR

Power Supply Rejection Ratio

V_IH

Control Logic High

Control Logic Low

1.5V ≤ V_DD≤ 3.6V

0.7V_DD

0.3V_DD

V (min)

V (max)

dB (min)

V_IL

1.5V ≤ V_DD≤ 3.6V

Mute

1V_PPReference,

Attenuation

R_i= 20k, R_f= 50k

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