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| 型号： | MAX4548EAX+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 17/20页 |
| 文件大小： | 0K |
| 描述： | IC CROSSPOINT SWITCH TRPL 36SSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1,000 |
| 功能： | 交叉点开关 |
| 电路： | 3 x 3:2 |
| 导通状态电阻： | 35 欧姆 |
| 电压电源： | 单电源 |
| 电压 - 电源，单路/双路(±)： | 2.7 V ~ 5.5 V |
| 电流 - 电源： | 6µA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 36-BSOP（0.295"，7.50mm 宽） |
| 供应商设备封装： | 36-SSOP |
| 包装： | 带卷 (TR) |
Typical Operating Characteristics
(V+ = +5V, TA = +25°C, unless otherwise noted.)
MAX4548/MAX4549
Serially Controlled, Triple 3x2 Audio/Video
Crosspoint Switches
6
_______________________________________________________________________________________
Note 2:
The algebraic convention is used in this data sheet; the most negative value is shown in the minimum column.
Note 3:
Guaranteed by design. Not subject to production testing.
Note 4:
RON = RON(MAX) - RON(MIN).
Note 5:
Resistance flatness is defined as the difference between the maximum and minimum on-resistance values, as measured
over the specified analog signal range.
Note 6:
Leakage parameters are 100% tested at maximum rated temperature and guaranteed by correlation at TA = +25°C.
Note 7:
Off-isolation = 20log (VCOM_ / VNO_ _ ), VCOM_ = output, VNO_ _ = input to off switch.
Note 8:
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.
Note 9:
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: Cb = capacitance of one bus line in pF. Tested with Cb = 400pF.
Note 12: Typical values are for MAX4548 devices.
15
20
25
30
35
40
0
2.0 2.5
1.0 1.5
0.5
3.0 3.5 4.0 4.5 5.0
ON-RESISTANCE vs. VCOM
MAX4548
toc01
VCOM (V)
R
DS
(ON)
(
)
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. VCOM AND TEMPERATURE
MAX4548
toc02
VCOM (V)
R
DS
(ON)
(
)
TA = +85°C
TA = +70°C
TA = +25°C
TA = -40°C
0.1
1
100
10
1000
10,000
-40
0
-20
20
40
60
80
LEAKAGE CURRENT vs. TEMPERATURE
MAX4548
toc03
TEMPERATURE (°C)
LEAKAGE
CURRRENT
(pA)
COM_ON
COM_OFF
NO_OFF
3-WIRE TIMING CHARACTERISTICS (Figure 5)
(V+ = +2.7V to +5.25V, TA = TMIN to TMAX, unless otherwise noted.)
SCLK Pulse Width Low
tCL
200
V+ = 2.7V to 5.25V
0
2.1
ns
Fall Time (SCLK, DIN, CS)
tF
2
s
SCLK Pulse Width High
tCH
200
ns
CS to SCLK Rise Hold
tCSH
0
ns
Rise Time (SCLK, DIN, CS)
tR
DIN to SCLK Setup
tDS
100
ns
Operating Frequency
fOP
V+ = 4.75V to 5.25V
010
MHz
DIN to SCLK Hold
tDH
0
ns
2
s
CS to SCLK Rise Setup
tCSS
100
ns
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SCLK Fall to Output Data Valid
tDO
CLOAD = 50pF
200
ns
CS Pulse Width High
tCSW
40
ns
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