LM2453TA datasheet(5/14 Pages) NSC

No de pièce	LM2453TA

Description	Monolithic Triple 6 nS CRT Driver With Integrated Clamp and G1 Blanking

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Fabricant	NSC [National Semiconductor (TI)]

Site Internet	http://www.national.com

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DC CLAMP Electrical Characteristic Targets and Limits (See Figure 11 for Test Circuit)

Unless otherwise noted: V

CC1 = +80V, VCC2 = 120V, VBB = +8V, TC = 50˚C, VREF = 1.735V, SW1 open.

HEATSINK MUST BE GROUNDED.

Symbol

Parameter

Conditions

Min

Typ

Max

Units

I

CC2

V

CC2 Supply Current

All 3 Channels V

IN = 1.20 VDC

47

mA

V

OUT

DC Output Voltage

No AC Input Signal, V

IN = 1.400V

87

92

97

V

DC

A

VTYP

Typical DC Voltage Gain

No AC Input Signal

73

LE

TYP

Typical Linearity Error

No AC Input Signal (Note 6)

2

%

Note 6: Linearity Error is the variation in DC gain from VIN = 1.0V to VIN = 1.6V.

Clamp Amplifier Test Circuit

Figure 7 shows the test circuit for evaluation of the LM2453 clamp amplifier. A high impedance VM (>100 M

Ω) is used for DC

measurements at the outputs.

DS101302-11

FIGURE 11. Test Circuit (One Channel)

DS101302-12

FIGURE 12. Clamp Circuit V

O vs. VIN

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