Datasheet > GMA7496L_1

GMA7496L_1

更新时间： 2022-12-19 04:27:04

品牌	Logo	应用领域
GAMMA		放大器
页数	文件大小	规格书
12页	276K
描述
2W+2W AMPLIFIER WITH DC VOLUME CONTROL

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数据手册

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GMA7496L_1 数据手册

GMA7496L

2W+2W AMPLIFIER WITH

DC VOLUME CONTROL

Electrical Characteristics Refer to the test circuit: V_S= 14V, R_L= 8Ω, R_g= 50 Ω, T_A= 25ºC

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

Supply Voltage

V_S

I_Q

Total Quiescent Current

Output DC Offset Referred to

SVR Potential

DCV_OS

V_O

No Input Signal

200

Quiescent Output Voltage

6.0

1.6

6.7

8.0

0.4

THD = 10%, RL = 8ꢀ

THD = 1%, RL = 8ꢀ

Output Power

P_O

1.3

Total Harmonic Distortion

Output Peak Current

Input Signal

THD

I_PEAK

V_IN

G_V= 30dB, P_O= 1W, f = 1kHz

(Internally Limited)

0.7

0.9

2.8

31.5

1.5

V_RMS

Closed Loop Gain

Monitor Out Gain

G_V

Vol Ctrl > 4.5V

28.5

-1.5

G_VLine

Vol Ctrl > 4.5V, Zload > 30Kꢀ

Attenuation at Minimum

A_{MIN VOL}

Vol Ctrl < 0.5V

Volume

Frequency Response

Total Output Noise

0.6

MHz

f = 20Hz to 22KHz, Play Max

Volume

500

800

f = 20Hz to 22KHz, Play Max

Attenuation

µV

100

250

150

f = 20Hz to 22KHz, Mute

Slew Rate

V/µS

kꢀ

ꢀ

Input Resistance

22.5

Variable Output Resistance

Variable Output Load

RVar Out

Rload Var

100

kꢀ

f = 1kHz, Max Volume,

C_SVR= 470µF, V_RIP= 1Vrms

Supply voltage Rejection

SVR

f = 1kHz, Max Attenuation,

C_SVR= 470µF, V_RIP= 1Vrms

Thermal Muting

T_M

T_S

150

160

ºC

Thermal Shut-down

1 2 345 6 7...12

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