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参数资料
| 型号： | MAX394EPP+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 13/13页 |
| 文件大小： | 0K |
| 描述： | IC SWITCH QUAD SPDT 20DIP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 18 |
| 功能： | 开关 |
| 电路： | 4 x SPDT |
| 导通状态电阻： | 65 欧姆 |
| 电压电源： | 单/双电源 |
| 电压 - 电源，单路/双路(±)： | 2.7 V ~ 15 V，±2.7 V ~ 8 V |
| 电流 - 电源： | ±100nA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 20-DIP（0.300"，7.62mm） |
| 供应商设备封装： | 20-PDIP |
| 包装： | 管件 |
MAX394
Low-Voltage, Quad, SPDT,
CMOS Analog Switch
_______________________________________________________________________________________
9
__________Applications Information
Operation with Supply Voltages
Other than ±5V
The MAX394 switch operates with ±2.7V to ±8V bipolar
supplies and a +2.7V to +15V single supply. In either
case, analog signals ranging from V+ to V- can be
switched. The
Typical Operating Characteristics graphs
show the typical on-resistance variation with analog signal
and supply voltage. The usual on-resistance temperature
coefficient is 0.5%/°C (typ).
Power-Supply Sequencing
and Overvoltage Protection
Do not exceed the absolute maximum ratings, because
stresses beyond the listed ratings may cause perma-
nent damage to the device. Proper power-supply
sequencing is recommended for all CMOS devices.
Always apply V+, followed by V- (when using split sup-
plies) before applying analog signals or logic inputs,
especially if the analog or logic signals are not current-
limited. If this sequencing is not possible and if the ana-
log or logic inputs are not current-limited to less than
30mA, add a single diode (D1) for single-supply opera-
tion (Figure 1). If using dual supplies or if the analog
signal can dip below ground in single-supply operation,
add two small signal diodes (D1, D2), as shown in
Figure 1. Adding protection diodes reduces the analog
signal range to a diode drop above V- for D2. Leakage
is not affected by adding the diodes. On-resistance
increases by a small amount at low supply voltages.
Maximum supply voltage (V- to V+) must not exceed
17V.
Adding diodes D1 and D2 also protects against some
overvoltage situations. With the circuit of Figure 1, if the
supply voltage is below the absolute maximum rating
and if a fault voltage up to the absolute maximum rating
is applied to an analog signal pin, no damage will
result. For example, with ±5V supplies, analog signals
up to ±8.5V will not damage the circuit of Figure 1. If
only a single fault signal is present, the fault voltage
can go to +12V or -12V without damage.
Pin Description
COM
V-
V+
NO or NC
* INTERNAL PROTECTION DIODES
D2
D1
-5V
+5V
MAX394
*
Figure 1. Overvoltage Protection Using Blocking Diodes
1, 10, 11, 20
IN1–IN4
Logic-Level Inputs
2, 9, 12, 19
NO1–NO4
Normally Open Switches
3, 8, 13, 18
COM1–COM4
Common Switch Poles
4, 7,14, 17
NC1–NC4
Normally Closed Switches
5
V-
Negative Power Supply
6
GND
Ground
16
V+
Positive Power Supply
15
N.C.
Not Internally Connected
PIN
NAME
FUNCTION
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX394EPP+ | 功能描述:模拟开关 IC Quad SPDT CMOS 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 |
| MAX394EUP | 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 |
| MAX394EUP+ | 功能描述:模拟开关 IC Quad SPDT CMOS 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 |
| MAX394EUP+T | 功能描述:模拟开关 IC Quad SPDT CMOS 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 |
| MAX394EUP-T | 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 |
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