User guide

MAX4885
Complete VGA 1:2 or 2:1 Multiplexer
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PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DDC MULTIPLEXER
On-Resistance
R
ON
(
DDC
)
V
IN
< +0.4V, V
CL
= +3.0V, I
IN
= -20mA 20 Ω
DDC Leakage I
L(DDC)
V
CL
- 0.4V < V
OUT
< V
CL
, V
IN
= V+ -1 +1 µA
Charge Injection Q DDCA_, DDCB_ = 0V, C
L
= 1000pF 10 pC
SWITCH LOGIC (SEL, M, EN, QP)
Input-Low Voltage V
IL
V+ = +5.5V 0.8 V
Input-High Voltage V
IH
V+ = +4.5V 2.0 V
Input Leakage Current I
LEAK
V
IN
= V+ -1 +1 µA
ESD PROTECTION
Human Body Model, all pins ±2 kV
ESD Protection
Human Body Model, R_, G_, B_, H_, V_,
DDCA_, DDCB_
±8 kV
ELECTRICAL CHARACTERISTICS (continued)
(V+ = +5.0V ±10%, V
CL
= +3.3V ±10%, T
A
= T
MIN
to T
MAX
, QP = GND, unless otherwise noted. Typical values are at V+ = +5.0V,
V
CL
= +3.3V and T
A
= +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
UNITS
QP = GND
350
Bandwidth f
MAX
R
S
= R
L
= 50Ω
QP = V+
350
MHz
QP = GND
0.85
1.2
Insertion Loss I
LOS
1MHz < f < 50MHz,
R
S
= R
L
= 50Ω
QP = V+ 1 1.6
dB
Crosstalk V
CT
1MHz < f < 50MHz, V
IN
= 0.7V
P-P
,
R
S
= R
L
= 50Ω
-40 dB
Off-Capacitance C
OFF
f = 1MHz,
QP = GND or V+
5pF
QP = GND 13
On-Capacitance C
ON
f = 1 MHz
QP = V+ 17
pF
Charge-Pump Noise V
NQP
V
IN
= +1.0V, R
S
= R
L
= 50Ω 50
200
µV
AC ELECTRICAL CHARACTERISTICS
(V+ = +5.0V ±10%, V
CL
= +3.3V ±10%, T
A
= T
MIN
to T
MAX
, QP = GND. Typical values are at V+ = +5.0V, V
CL
= +3.3V and T
A
=
+25°C, unless otherwise noted.) (Note 2)