MAX4456 データシートの表示（PDF） - Maxim Integrated
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MAX4456 Datasheet PDF : 16 Pages
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Low-Cost 4x4, 8x4, 8x8
Video Crosspoint Switches
AC ELECTRICAL CHARACTERISTICS
(V+ = +5V, V- = -5V, VLOAD = +5V (internal load resistors on), VAGND = VDGND = 0, TA = +25°C, unless otherwise noted.)
PARAMETER
CONDITIONS
MIN TYP MAX
DXYNAMIC SPECIFICATIONS
Output-Buffer Slew Rate
Internal load resistors on, 10pF load
250
Single-Channel Crosstalk
5MHz, VIN = 2Vp-p (Note 1)
70
All-Hostile Crosstalk
5MHz, VIN = 2Vp-p (Notes 1, 2)
57
All-Channel Off-Isolation
5MHz, VIN = 2Vp-p (Note 1)
80
-3dB Bandwidth
10pF load, VIN = 2Vp-p (Note 1)
35
Small-Signal -3dB Bandwidth
10pF load, VIN = 100mVp-p (Note 1)
65
0.1dB Bandwidth
10pF load, VIN = 100mVp-p (Note 1)
4
Differential Phase Error
(Note 3)
1.0
Differential Gain Error
(Note 3)
0.5
Input Noise
DC to 40MHz
0.3
Input Capacitance
All buffer inputs grounded
6
Buffer Input Capacitance
Additional capacitance for each output buffer
connected to channel input
2
Output Capacitance
Output buffer off
7
UNITS
V/µs
dB
dB
dB
MHz
MHz
MHz
degrees
%
mVRMS
pF
pF
pF
SWITCHING CHARACTERISTICS
(Figure 4, V+ = +5V, V- = -5V, VLOAD = +5V (internal load resistors on), VIN_ = VAGND = VDGND = 0, TA = TMIN to TMAX, unless other-
wise noted. Typical values are at TA = +25°C.) (Note 4)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Chip-Enable to Write Setup
tCE
Write Pulse Width High
tWH
Write Pulse Width Low
tWL
0
ns
80
ns
80
ns
Data Setup
Parallel mode
tDS
Serial mode
240
ns
160
Data Hold
Latch Pulse Width
Latch Delay
Switch Break-Before-Make Delay
LATCH Edge to Switch Off
LATCH Edge to Switch On
tDH
tL
tD
tON - tOFF
tOFF
tON
LATCH on
0
ns
80
ns
80
ns
15
ns
35
ns
50
ns
Note 1: See Dynamic Test Circuits section.
Note 2: 3dB typical crosstalk improvement when RS = 0.
Note 3: Input test signal: 3.58MHz sine wave of amplitude 40IRE superimposed on a linear ramp (0 to 100IRE). IRE is a unit of
video-signal amplitude developed by the International Radio Engineers. 140IRE = 1.0V.
Note 4: Guaranteed by design.
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