ISL59451 Datasheet, PDF (9/17 Pages) Intersil Corporation – Triple 4:1 DC Restored Single Supply Video Multiplexing Amplifier

ISL59451
Typical Performance Curves V_CC = +5V, R_L = 150Ω to GND, T_A = +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; f_O = 3.58MHz, R_L = 150Ω
REF_G = REF_RB = 180mV
INIT CONDITION: CLAMP = LOGIC HIGH
(OFF) for 10ms
OUTPUT
CLAMP = 1V/DIV
OUTPUT = 60mV/DIV
TIMEBASE = 20µs
CLAMP
R_SOURCE = 25Ω
C_COUPLING = 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
9
INPUT
OUTPUT
INPUT = 500mV/DIV
OUTPUT = 1V/DIV
TIMEBASE = 5ns/DIV
FIGURE 24. PULSE RESPONSE, GAIN = 2
FN6253.0
September 24, 2007