Manual

MAX4028/MAX4029
Triple/Quad, 2:1 Video
Multiplexer-Amplifiers with Input Clamps
_______________________________________________________________________________________ 3
AC ELECTRICAL CHARACTERISTICS
(V
CC
= +5V, GND = 0V, R
L
= 150Ω to GND, V
DISABLE
= +5V, R
KEYREF
= 6kΩ, C
IN
= 0.1µF, T
A
= T
MIN
to T
MAX
, unless otherwise noted.
Typical values are at T
A
= +25°C.)
Note 2: All devices are 100% production tested at T
A
= +25°C. Specifications over temperature are guaranteed by design.
Note 3: The clamp voltage at the input is V
CLAMP
(measured at the output) divided by gain + V
BE
.
Note 4: The key-clamp voltage is above the sync-tip clamp voltage by approximately 0.7V, and is adjusted by varying R
KEYREF
.
Note 5: Measured at f = 100Hz at thermal equilibrium.
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Small-Signal -3dB Bandwidth BW
SS
V
OUT
= 100mV
P-P
210 MHz
Large-Signal -3dB Bandwidth BW
LS
V
OUT
= 2V
P-P
130 MHz
Small-Signal 0.1dB Gain Flatness
Bandwidth
BW
0.1dBSS
V
OUT
= 100mV
P-P
30 MHz
Large-Signal 0.1dB Gain Flatness
Bandwidth
BW
0.1dBLS
V
OUT
= 2V
P-P
30 MHz
Slew Rate SR V
OUT
= 2V
P-P
300 V/µs
Settling Time to 0.1% t
S
V
OUT
= 2V step 20 ns
Power-Supply Rejection Ratio PSRR f = 100kHz 55 dB
Output Impedance Z
O
f = 100kHz 0.7 Ω
Differential Gain Error DG 5-step modulated staircase 0.2 %
Differential Phase Error DP 5-step modulated staircase 0.4 degrees
Group Delay D/dT f = 3.58MHz or 4.43MHz 1.0 ns
Peak Signal to RMS Noise SNR 100kHz to 30MHz 70 dB
Channel-to-Channel Crosstalk X
TALK
f = 100kHz 73 dB
A/B Crosstalk X
TALKAB
f = 100kHz 91 dB
Off-Isolation A
ISO
V
OUT_
= 2V
P-P
, f = 100kHz 108 dB
Droop D
R
Guaranteed by input clamp current 2 %
SWITCHING CHARACTERISTICS
Channel Switching Time t
SW
20 ns
Enable Time t
ON
0.1 µs
Disable Time t
OFF
0.1 µs
Switching Transient ±10 mV
P-P