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

ISL59451
Electrical Specifications V+ = +5V, GND = 0V, T_A = +25°C, R_L = 150Ω to GND, REF_G = 0.5V, REF_RB = 1.2V, CLAMP = 2.0V,
S1 = S0 = AV2 = HIZ = 0.8V, unless otherwise specified. (Continued)
PARAMETER
DESCRIPTION
CONDITIONS
MIN
MAX
(Note 2) TYP (Note 2) UNIT
SWITCHING CHARACTERISTICS
V_GLITCH HIZ High to Low Switching Glitch
t_SW-L-H
Channel Switching Delay Time Low to
High
V_IN = 1V, R_L = 150Ω; C_L = 2.1pF, GAIN = 1
V_IN = 1V, R_L = 150Ω; C_L = 2.1pF, GAIN = 2
1.2V logic threshold to 10% movement of analog
output
500
mV_P-P
300
mV_P-P
3
ns
t_SW-H-L Channel Switching Delay Time High to 1.2V logic threshold to 10% movement of analog
4
ns
Low
output
t_HIZ-L-H HIZ Switching Delay Time Low to High 1.2V logic threshold to 10% movement of analog
25
ns
output
t_HIZ-H-L HIZ Switching Delay Time High to Low 1.2V logic threshold to 10% movement of analog
220
ns
output
tpd
Propagation Delay
10% input to 10% output
2.5
ns
t_HE
Time to Enable CLAMP
t_HD
Time to Disable CLAMP
CLAMP = LOW to settled output
CLAMP = HIGH to settled output
40
ns
20
ns
Settling Time Diagram
±1% OF FINAL VALUE
BAND
FINAL VALUE
90% FINAL VALUE
10% FINAL VALUE
t_R
t_{S 1%}
4
FN6253.0
September 24, 2007