ISL59451 查看數據表（PDF） - Renesas Electronics

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ISL59451

Triple 4:1 DC Restored Single Supply Video Multiplexing Amplifier

Renesas Electronics 

ISL59451

Typical Performance Curves VCC = +5V, RL = 150 to GND, TA = +25°C, unless otherwise specified. (Continued)

0.06

0.04

GAIN 1

0.02

0

-0.02

-0.04

GAIN 1

-0.06

-0.08 VAC = 40mVP-P

-0.10

0.30 0.47 0.64 0.81 0.98 1.15 1.32 1.49 1.66 1.83 2.00

OUTPUT DC LEVEL (V)

FIGURE 19. DIFFERENTIAL PHASE; fO = 3.58MHz, RL = 150

REF_G = REF_RB = 180mV

INIT CONDITION: CLAMP = LOGIC HIGH

(OFF) for 10ms

OUTPUT

CLAMP = 1V/DIV

OUTPUT = 60mV/DIV

TIMEBASE = 20µs

CLAMP

RSOURCE = 25

CCOUPLING = 0.1µF

FIGURE 20. DC RESTORE SETTLING TIME

INPUT = NTSC VIDEO + SQUARE WAVE

INPUT = NTSC VIDEO + SQUARE WAVE

OUTPUT

CLAMP = NTSC HSYNC

VERTICAL = 300mV/DIV

TIMEBASE = 2ms/DIV

FIGURE 21. RESPONSE TO +300mV DC STEP ON INPUT (SEE

FIGURE 36)

OUTPUT

CLAMP = NTSC HSYNC

VERTICAL = 300mV/DIV

TIMEBASE = 2ms/DIV

FIGURE 22. RESPONSE TO -300mV DC STEP ON INPUT (SEE

FIGURE 36)

INPUT

OUTPUT

INPUT = 500mV/DIV

OUTPUT = 500mV/DIV

TIMEBASE = 5ns/DIV

FIGURE 23. PULSE RESPONSE, GAIN = 1

FN6253 Rev 0.00

September 24, 2007

INPUT

OUTPUT

INPUT = 500mV/DIV

OUTPUT = 1V/DIV

TIMEBASE = 5ns/DIV

FIGURE 24. PULSE RESPONSE, GAIN = 2

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