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参数资料
| 型号： | MAX4548 |
| 厂商： | Maxim Integrated Products, Inc. |
| 元件分类： | 数字信号处理 |
| 英文描述： | Fixed-Point Digital Signal Processors 240-BGA MICROSTAR |
| 中文描述： | 串行控制、三组3x2音频/视频交叉点开关 |
| 文件页数： | 6/20页 |
| 文件大小： | 273K |
| 代理商： | MAX4548 |
Typic al Operating Charac teristic s
(V+ = +5V, T
A
= +25°C, unless otherwise noted.)
M
S erially Controlled, Triple 3x2 Audio/Video
Crosspoint S witc hes
6
_______________________________________________________________________________________
Note 2:
Note 3:
Note 4:
Note 5:
The algebraic convention is used in this data sheet; the most negative value is shown in the minimum column.
Guaranteed by design. Not subject to production testing.
R
ON
= R
ON(MAX)
- R
ON(MIN)
.
Resistance flatness is defined as the difference between the maximum and minimum on-resistance values, as measured
over the specified analog signal range.
Leakage parameters are 100% tested at maximum rated temperature and guaranteed by correlation at T
A
= +25°C.
Off-isolation = 20log (V
COM
_ / V
NO
_ _ ), V
COM
_ = output, V
NO
_ _ = input to off switch.
All timing is measured from the clock’s falling edge preceding the ACK signal for 2-wire and from the rising edge of
CS
for
3-wire. Turn-off time is defined at the output of the switch for a 0.5V change, tested with a 300
load to ground. Turn-on
time is defined at the output of the switch for a 0.5V change and measured with a 5k
load resistor to GND. All timing is
shown with respect to 20% V+ and 70% V+, unless otherwise noted.
Supply current can be as high as 2mA per switch during switch transitions in the clickless mode, corresponding to a 48mA
total supply transient current requirement.
Note 10:
Leakage testing is guaranteed by testing with a +5.25V supply.
Note 11:
C
b
= capacitance of one bus line in pF. Tested with C
b
= 400pF.
Note 12:
Typical values are for MAX4548 devices.
Note 6:
Note 7:
Note 8:
Note 9:
15
20
25
30
35
40
0
2.0 2.5
V
COM
(V)
1.0 1.5
0.5
3.0 3.5 4.0 4.5 5.0
ON-RESISTANCE vs. V
COM
M
R
D
)
V+ = 2.7V
V+ = 3.3V
V+ = 5.0V
14
18
16
22
20
26
24
28
0
2.0
1.0
3.0
4.0
0.5
2.5
1.5
3.5
4.5 5.0
ON-RESISTANCE
vs. V
COM
AND TEMPERATURE
M
V
COM
(V)
R
D
)
T
A
= +85°C
T
A
= +70°C
T
A
= +25°C
T
A
= -40°C
0.1
1
100
10
1000
10,000
-40
0
TEMPERATURE (°C)
-20
20
40
60
80
LEAKAGE CURRENT vs. TEMPERATURE
M
L
COM_ON
COM_OFF
NO_OFF
3-WIRE TIMING CHARACTERISTICS (Figure 5)
(V+ = +2.7V to +5.25V, T
A
= T
MIN
to T
MAX
, unless otherwise noted.)
PARAMETER
SCLK Pulse Width Low
Rise Time (SCLK, DIN,
CS
)
t
CL
t
R
200
V+ = 2.7V to 5.25V
0
2.1
ns
μs
Fall Time (SCLK, DIN,
CS
)
t
F
2
μs
SCLK Pulse Width High
t
CH
200
ns
CS
to SCLK Rise Hold
CS
Pulse Width High
t
CSH
t
CSW
0
ns
ns
DIN to SCLK Setup
DIN to SCLK Hold
SCLK Fall to Output Data Valid
t
DS
t
DH
t
DO
100
0
ns
ns
ns
Operating Frequency
f
OP
V+ = 4.75V to 5.25V
0
10
MHz
2
CS
to SCLK Rise Setup
t
CSS
100
ns
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
C
LOAD
= 50pF
200
40
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4548EAX | 功能描述:视频开关 IC RoHS:否 制造商:Texas Instruments 开关数量:4 开启电阻（最大值）:12 Ohms 传播延迟时间: 开启时间（最大值）: 关闭时间（最大值）: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:WQFN-42 封装:Reel |
| MAX4548EAX+ | 功能描述:视频开关 IC Triple 3x2 A/V Crosspoint Switch RoHS:否 制造商:Texas Instruments 开关数量:4 开启电阻（最大值）:12 Ohms 传播延迟时间: 开启时间（最大值）: 关闭时间（最大值）: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:WQFN-42 封装:Reel |
| MAX4548EAX+T | 功能描述:视频开关 IC Triple 3x2 A/V Crosspoint Switch RoHS:否 制造商:Texas Instruments 开关数量:4 开启电阻（最大值）:12 Ohms 传播延迟时间: 开启时间（最大值）: 关闭时间（最大值）: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:WQFN-42 封装:Reel |
| MAX4548EAX+W | 制造商:Maxim Integrated Products 功能描述:SERIALLY CONTROLLED TRIPLE 3X2 AUDIO/VIDEO CROSSPOINT SWITCH - Rail/Tube |
| MAX4548EAX-T | 功能描述:视频开关 IC RoHS:否 制造商:Texas Instruments 开关数量:4 开启电阻（最大值）:12 Ohms 传播延迟时间: 开启时间（最大值）: 关闭时间（最大值）: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:WQFN-42 封装:Reel |
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