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參數(shù)資料

型號(hào)：	LA3246
元件分類(lèi)：	音頻／視頻放大
英文描述：	2 CHANNEL, AUDIO PREAMPLIFIER, PDIP20
封裝：	0.300 INCH, DIP-20
文件頁(yè)數(shù)：	9/13頁(yè)
文件大小：	616K
代理商：	LA3246

(3) When an electrolytic capacitor is connected to input pins 1, 2 (or 23, 24), make the value of RIN1asequaltothatofRIN2as

possible.

The difference in the value between RIN1 and RIN2 causes the variation in amp output DC voltage at the time of F/R

switching. Therefore, the input DC voltage (voltage across RIN) must be made as equal as possible.

(4) The amplifier output characteristics are designed to be the same in the Nor Tape/High Speed (pin 15 GND/pin 6 VCC)and

Me Tape/Nor Speed (pin 15 VCC/pin 6 GND) modes. (Refer to sample application circuit, external constants.)

(5) When externally turning ON/OFF power supply pin 11 (by bringing pin 11 to +VCC/GND level) with a capacitor connected

to pin 13, connect external diode D, as shown below, so that no breakdown (or deterioration) of the IC system is caused by

ICD when the switch is turned OFF. When no capacitor is connected to pin 13, diode D is not required.

(6) The output MIX circuit is of the emitter follower configuration as shown below.

The MIX OUT output level VO MIX at the time a signal is applied to preamp1 (or preamp2) only is 1/2 as compared with

output levels VO1, VO2 at the time the same input signal is applied to both channels.

VO MIX = 1/2

VO1(= 1/2 × VO2)

where VO1= VO2

Unit (resistance:

Ω)

LA3246

No.2651-5/13

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相關(guān)代理商/技術(shù)參數(shù)	參數(shù)描述
LA32B-G-4-PF	制造商:LIGITEK 制造商全稱(chēng):LIGITEK electronics co., ltd. 功能描述:LED ARRAY
LA32B-G-PF	制造商:LIGITEK 制造商全稱(chēng):LIGITEK electronics co., ltd. 功能描述:LED ARRAY
LA3301	制造商:未知廠(chǎng)家制造商全稱(chēng):未知廠(chǎng)家功能描述:
LA3330	制造商:未知廠(chǎng)家制造商全稱(chēng):未知廠(chǎng)家功能描述:
LA3330M	制造商:未知廠(chǎng)家制造商全稱(chēng):未知廠(chǎng)家功能描述:

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