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參數(shù)資料
| 型號： | MAX458-MAX459 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 8x4 Video Crosspoint Switches with Buffers |
| 中文描述： | 8x4視頻交叉點開關(guān)與緩沖器 |
| 文件頁數(shù)： | 3/16頁 |
| 文件大?。?/td> | 135K |
| 代理商： | MAX458-MAX459 |
Note 2:
Note 3:
Defined as the DC offset shift when switching between input channels for a given output.
Voltage Gain Accuracy for MAX458 calculated as———————————————————————————————————————————
OUT
- V
IN
) @ (V
IN
= +2V) - (V
OUT
- V
IN
) @ (V
IN
= -2V)
Voltage Gain Accuracy for MAX459 calculated as ——————————————————————————————————————————————
OUT
/2 - V
IN
) @ (V
IN
= +1V) - (V
OUT
/2 - V
IN
) @ (V
IN
= -1V)
All logic levels are guaranteed over the range of V
= ±4.75V to ±5.25V.
Differential phase and gain measured with a 40 IRE (285.7mV), 3.58MHz sine wave superimposed on a linear ramp of 0 IRE
to 100 IRE (714.3mV). “The IRE scale is a linear scale for measuring, in arbitrary IRE units, the relative amplitudes of the var-
ious components of a television signal” (from the “Television Engineering Handbook”, edited by K. Blair Benson, McGraw
Hill). This system defines 100 IRE as reference white, 0 IRE as the blanking level, and -40 IRE as the sync peak. The equip-
ment used for the test signal generated 714.3mV (100 IRE) as reference white and -285.7mV (-40 IRE) as sync. The modu-
lation used was 285.7mV (40 IRE), which conforms to the EIA color signal standards.
For MAX458, step input from +2V to 0V; for MAX459, step input from +1V to 0V. All unused channels grounded and all
unused amplifiers disabled.
Test input channel programmed to an output and grounded through a 75
resistor. Adjacent input is programmed to an
adjacent output and driven by a 10MHz, 4Vp-p sine wave.
Same as Note 6 above, except driven input and output are not adjacent to test input/output.
All inputs but the test input are driven by a 10MHz 4Vp-p sine wave. All outputs except the test output are connected to driven inputs.
Note 11:
Same as Note 9 above, except with test channel programmed off.
Note 4:
Note 5:
Note 6:
Note 7:
Note 8:
Note 10:
M
8x4 Video Crosspoint S witc hes with Buffers
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +5V, V
EE
= -5V, -2V
≤
V
IN
≤
+2V, output load resistor (R
L
) = 150
, T
A
= T
MIN
to T
MAX
, unless otherwise noted.
Typical values are at T
A
= +25°C.)
I
SOURCE
= 400μA (Note 5)
I
SINK
= 1.6mA (Note 5)
(Note 11)
(Note 3)
(Note 10)
(Note 3)
(Note 9)
(Note 8)
See Typical Operating Characteristics
To 0.1% of final value (Note 7)
f = 10kHz
MAX458
MAX459
MAX458
MAX459
CONDITIONS
dB
-60
All-Hostile Off Isolation
dB
-55
All-Hostile Crosstalk
dB
-65
Non-Adjacent Channel Crosstalk
dB
-65
Adjacent Channel Crosstalk
mV
p-p
100
Switching Transient Glitch
ns
50
t
CPD
Channel Switching Propagation Delay
ns
60
t
CSW
Channel Switching Time
ns
120
t
AON
Amplifier Enable Time
V
V
4.0
V
OH
V
OL
Logic Output High Voltage
Logic Output Low Voltage
DYNAMIC SPECIFICATIONS
μA
10
I
IL
μA
10
I
IH
Logic Input High Current
Logic Input Low Current
ns
100
t
AOFF
Amplifier Disable Time
ns
40
t
S
Settling Time
nV/
√
Hz
20
e
n
Input Noise Density
0.5
%
0.01
0.13
0.05
0.14
200
150
300
250
100
90
DG
Differential Gain Error (Note 6)
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
degrees
DG
Differential Phase Error (Note 6)
MAX458
V/μs
SR
Slew Rate
Positive transition
Negative transition
Positive transition
Negative transition
MAX459
MAX458, R
L
= 75
MAX459, R
L
= 150
MHz
BW
Bandwidth (-3dB)
相關(guān)PDF資料 |
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|---|---|
| MAX458EPL | 8x4 Video Crosspoint Switches with Buffers |
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| MAX459EPL | 8x4 Video Crosspoint Switches with Buffers |
| MAX458CQH | 8x4 Video Crosspoint Switches with Buffers |
| MAX459CQH | 8x4 Video Crosspoint Switches with Buffers |
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