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参数资料
| 型号： | MAX4695ETC+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 9/11页 |
| 文件大小： | 0K |
| 描述： | IC SWITCH DUAL SPDT 12TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 功能： | 开关 |
| 电路： | 2 x SPDT |
| 导通状态电阻： | 60 欧姆 |
| 电压电源： | 单电源 |
| 电压 - 电源，单路/双路(±)： | 1.8 V ~ 5.5 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： | 12-WFQFN 裸露焊盘 |
| 供应商设备封装： | 12-TQFN EP（3x3） |
| 包装： | 管件 |
MAX4695
Low-Voltage, 60
Dual
SPDT Analog Switch in Thin QFN
_______________________________________________________________________________________
7
Detailed Description
The MAX4695 is a low-voltage, dual single-pole/dou-
ble-throw (SPDT) analog switch that operates from a
single +1.8V to +5.5V supply. When powered from a
+2.7V supply, the device has a 60
(max) on-resis-
tance (RON), with 3
(max) RON matching and 10
(max) RON flatness. The digital logic inputs are 1.8V-
logic compatible from a +2.7V to +3.3V supply.
Applications Information
Digital Control Inputs
The MAX4695 logic inputs are 1.8V CMOS logic com-
patible for 3V operation and TTL compatible for 5V
operation of V+. Driving IN_ rail-to-rail minimizes power
consumption.
Analog Signal Levels
Analog signals that range over the entire supply volt-
age (V+ to GND) are passed with very little change in
on-resistance (see Typical Operating Characteristics).
The switches are bidirectional, so the NO_, NC_, and
COM_ pins can be either inputs or outputs.
Power-Supply Sequencing and
Overvoltage Protection
Caution: Do not exceed the absolute maximum rat-
ings because stresses beyond the listed ratings
may cause permanent damage to devices.
Proper power-supply sequencing is recommended for
all CMOS devices. Always apply V+ before applying
analog signals, especially if the analog signal is not
current limited. If this sequencing is not possible, and if
the analog inputs are not current limited to <20mA, add
a small signal diode (D1) as shown in Figure 1. If the
analog signal can dip below GND, add D2. Adding
protection diodes reduces the analog range to a diode
drop (about 0.7V) below V+ (for D1), and a diode drop
above ground (for D2). On-resistance increases slightly
at low supply voltages. Maximum supply voltage (V+)
must not exceed +6V.
Adding protection diode D2 causes the logic threshold
to be shifted relative to GND. TTL compatibility is not
guaranteed when D2 is added.
Protection diodes D1 and D2 also protect against some
overvoltage situations. In the circuit in 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.
POSITIVE SUPPLY
COM
NO
D2
D1
GND
Vg
V+
MAX4695
Figure 1. Overvoltage Protection Using Two External Blocking
Diodes
Pin Description
PIN
MAX
TQFN
NAME
FUNCTION
1
12
IN1
Digital Control Input Switch 1
2
1
NO1
Analog Switch 1—Normally Open Terminal
3
2
GND
Ground
4
3
NO2
Analog Switch 2—Normally Open Terminal
5
4
IN2
Digital Control Input Switch 2
6
5
COM2
Analog Switch 2—Common Terminal
—
6, 10
N.C.
No Connection. Not internally connected.
7
NC2
Analog Switch 2—Normally Closed Terminal
8
V+
Positive Supply Voltage Input
9
NC1
Analog Switch 1—Normally Closed Terminal
10
11
COM1
Analog Common Switch 1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4695ETC+ | 功能描述:模拟开关 IC 60Ohm Dual SPDT 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 |
| MAX4695ETC+T | 功能描述:模拟开关 IC 60Ohm Dual SPDT 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 |
| MAX4695ETC-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 |
| MAX4695EUB | 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 |
| MAX4695EUB+ | 功能描述:模拟开关 IC 60Ohm Dual SPDT 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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