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| 型号： | MAX318ESA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 9/12页 |
| 文件大小： | 0K |
| 描述： | IC SWITCH SPST 8SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 功能： | 开关 |
| 电路： | 1 x SPST- NO |
| 导通状态电阻： | 35 欧姆 |
| 电压电源： | 单/双电源 |
| 电压 - 电源，单路/双路(±)： | 10 V ~ 30 V，±4.5 V ~ 20 V |
| 电流 - 电源： | 1µA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
MAX317/MAX318/MAX319
Precision, CMOS Analog Switches
6
_______________________________________________________________________________________
PIN
NAME
FUNCTION
MAX317
MAX318
MAX319
1
COM
Analog-switch common terminal
2
—
N.C.
No connect — not internally connected
—
8
NO
Analog-switch normally open terminal
3
GND
Logic ground
4
V+
Analog-signal positive supply input
5
VL
Logic-level positive supply input
6
IN
Logic-level input
7
V-
Analog-signal negative supply input
8
—
2
NC
Analog-switch normally closed terminal
—
8
—
NO
Analog-switch normally open terminal
_______________________________________________________________________Pin Description
__________Applications Information
Operation with Supply Voltages
Other Than ±15V
The main limitation of supply voltages other than ±15V
is analog signal range reduction. The MAX317/
MAX318/MAX319 switches operate with bipolar sup-
plies of ±5V to ±20V. Typical Operating Characteristics
graphs show typical on resistance for ±15V, ±10V, and
±5V supplies. Switching times increase by a factor of
two
or
more
for
operation
at
±5V.
The
MAX317/MAX318/MAX319 can operate from unipolar
supplies of +10V to +30V. Both parts can also operate
from unbalanced supplies such as +24V and -5V.
Connect V- to 0V when operating with a single supply.
This means that VL must be connected to +5V to be
TTL compatible, or to V+ for CMOS logic input levels.
Overvoltage Protection
Proper power-supply sequencing is recommended for
all CMOS devices. It is important not to exceed the
absolute maximum ratings because stresses beyond
the listed ratings may cause permanent damage to the
devices. Always sequence V+ on first, followed by VL,
V-, and logic inputs. If power-supply sequencing is not
possible, protect the devices from overvoltage by
adding two small signal diodes in series with the sup-
ply pins (Figure 1). Adding the diodes reduces the
analog signal range to 1V below V+ and 1V below V-,
but low switch resistance and low leakage characteris-
tics are unaffected. Device operation is unchanged,
and the difference between V+ to V- should not exceed
+44V.
V+
COM_
V-
NO_
Vg
V+
V-
Figure 1. Overvoltage Protection Using Blocking Diodes
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX318MJA | 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 |
| MAX318MJA/883B | 制造商:Maxim Integrated Products 功能描述:- Bulk |
| MAX3190EEUT | 制造商:Maxim Integrated Products 功能描述:15KV ESD-PROTECTED 460KBPS RS-232 - Rail/Tube 制造商:Rochester Electronics LLC 功能描述: |
| MAX3190EEUT+ | 制造商:Maxim Integrated Products 功能描述:LINE TRANSMITTER 1TX 6PIN SOT-23 - Rail/Tube |
| MAX3190EEUT+T | 功能描述:RS-232接口集成电路 460kbps RS-232 Transmitter RoHS:否 制造商:Exar 数据速率:52 Mbps 工作电源电压:5 V 电源电流:300 mA 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:LQFP-100 封装: |
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