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| 型号： | MAX4661CAE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 10/12页 |
| 文件大小： | 0K |
| 描述： | IC SWITCH QUAD SPST 16SSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,000 |
| 功能： | 开关 |
| 电路： | 4 x SPST - NC |
| 导通状态电阻： | 2.5 欧姆 |
| 电压电源： | 单/双电源 |
| 电压 - 电源，单路/双路(±)： | 4.5 V ~ 36 V，±4.5 V ~ 20 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 16-SSOP |
| 包装： | 带卷 (TR) |
MAX4661/MAX4662/MAX4663
2.5
, Quad, SPST,
CMOS Analog Switches
_______________________________________________________________________________________
7
NAME
FUNCTION
MAX4661
1, 16, 9, 8
IN1, IN2,
IN3, IN4
Logic-Control Digital Inputs
2, 15,
10, 7
COM1, COM2,
COM3, COM4
Analog Switch Common Terminals
3, 14, 11, 6
NC1, NC2,
NC3, NC4
Analog Switch Normally Closed Terminals
4
V-
Negative Analog Supply-Voltage Input. Connect to GND for single-
supply operation.
—
NC2, NC3
Analog Switch Normally Closed Terminals
—
NO1, NO4
Analog Switch Normally Open Terminals
—
NO1, NO2,
NO3, NO4
Analog Switch Normally Open Terminals
13
V+
Positive Analog Supply Input
12
VL
Logic-Supply Input
5
GND
Ground
Pin Description
MAX4662
1, 16, 9, 8
2, 15,
10, 7
—
4
—
3, 14, 11, 6
13
12
5
MAX4663
1, 16, 9, 8
PIN
2, 15,
10, 7
—
4
14, 11
3, 6
—
13
12
5
Applications Information
Overvoltage Protection
Proper power-supply sequencing is recommended for
all CMOS devices. Do not exceed the absolute maxi-
mum ratings because stresses beyond the listed rat-
ings can cause permanent damage to the devices.
Always sequence V+ on first, then V-, followed by the
logic inputs, NO, or COM. If power-supply sequencing
is not possible, add two small-signal diodes (D1, D2)
in series with the supply pins and a Schottky diode
between V+ and VL for overvoltage protection (Figure
1). Adding diodes reduces the analog signal range to
one diode drop below V+ and one diode drop above V-,
but does not affect the devices’ low switch resistance
and low leakage characteristics. Device operation is
unchanged, and the difference between V+ and V-
should not exceed 44V.
Off-Isolation at High Frequencies
In 50
systems, the high-frequency on-response of
these parts extends from DC to above 100MHz with a
typical loss of -2dB. When the switch is turned off, how-
ever, it behaves like a capacitor and off-isolation
decreases with increasing frequency. (Above 300MHz,
the switch actually passes more signal turned off than
turned on.) This effect is more pronounced with higher
source and load impedances.
Above 5MHz, circuit board layout becomes critical and
it becomes difficult to characterize the response of the
switch independent of the circuit. The graphs shown in
the
Typical Operating Characteristics were taken using
a 50
source and load connected with BNC connec-
tors to a circuit board deemed “average”; that is,
designed with isolation in mind, but not using stripline
or other special RF circuit techniques. For critical appli-
cations above 5MHz, use the MAX440, MAX441, and
MAX442, which are fully characterized up to 160MHz.
COM_
V-
V+
VL
NO_
* INTERNAL PROTECTION DIODES
D2
D1
-15V
+15V
MAX4661
MAX4662
MAX4663
*
Figure 1. Overvoltage Protection Using External Blocking
Diodes
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4661CPE | 功能描述:模拟开关 IC RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻（最大值）:0.1 Ohms 切换电压（最大）: 开启时间（最大值）: 关闭时间（最大值）: 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16 |
| MAX4661CPE+ | 功能描述:模拟开关 IC 2.5Ohm Quad SPST Analog Switch RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻（最大值）:0.1 Ohms 切换电压（最大）: 开启时间（最大值）: 关闭时间（最大值）: 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16 |
| MAX4661CWE | 功能描述:模拟开关 IC RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻（最大值）:0.1 Ohms 切换电压（最大）: 开启时间（最大值）: 关闭时间（最大值）: 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16 |
| MAX4661CWE+ | 功能描述:模拟开关 IC 2.5Ohm Quad SPST Analog Switch RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻（最大值）:0.1 Ohms 切换电压（最大）: 开启时间（最大值）: 关闭时间（最大值）: 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16 |
| MAX4661CWE+T | 功能描述:模拟开关 IC 2.5Ohm Quad SPST Analog Switch RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻（最大值）:0.1 Ohms 切换电压（最大）: 开启时间（最大值）: 关闭时间（最大值）: 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16 |
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