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| 型号： | MAX4820EUP+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC RELAY DRIVER 8CHAN 20-TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 74 |
| 类型： | 继电器/灯驱动器 |
| 输入类型： | 并行/串行 |
| 输出数： | 8 |
| 导通状态电阻： | 2 欧姆 |
| 电流 - 输出 / 通道： | 70mA |
| 电流 - 峰值输出： | 150mA |
| 电源电压： | 2.3 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-TSSOP（0.173"，4.40mm 宽）裸露焊盘 |
| 供应商设备封装： | 20-TSSOP-EP |
| 包装： | 管件 |
| 产品目录页面： | 1410 (CN2011-ZH PDF) |
AVAILAB
LE
MAX4820/MAX4821
+3.3V/+5V, 8-Channel, Cascadable Relay Drivers
with Serial/Parallel Interface
General Description
The MAX4820/MAX4821 8-channel relay drivers offer
built-in kickback protection and drive +3.3V/+5V non-
latching or dual-coil-latching relays. These devices are
especially useful when driving +3V relays. Each inde-
pendent open-drain output features a 2 Ω on-resistance
and is guaranteed to sink 70mA (min) of load current.
Both devices consume less than 50μA (max) quiescent
current and have 1μA output off-leakage current.
The MAX4820 features an SPI?-/QSPI?-/MICROWIRE?-
compatible serial interface. Input data is shifted into an 8-
bit shift register and latched to the outputs when CS
transitions from low to high. Each data bit in the shift reg-
ister corresponds to a specific output, allowing indepen-
dent control of all outputs.
The MAX4821 features a 4-bit (A0, A1, A2, LVL) paral-
lel-input interface. The first three bits (A0, A1, A2) deter-
mine the output address, and the fourth bit (LVL)
determines whether the selected output is switched on
or off. Data is latched to the outputs when CS transi-
tions from low to high.
Both devices feature separate set and reset functions
that allow the user to turn on or turn off all outputs simul-
Features
? 8 Independent Output Channels
? Built-In Inductive Kickback Protection
? Drive +3V and +5V Relays
? Guaranteed 70mA (min) Coil Drive Current
? SET Function to Turn On All Outputs
Simultaneously
? RESET Function to Turn Off All Outputs
Simultaneously
? SPI-/QSPI-/MICROWIRE-Compatible Serial
Interface (MAX4820)
? Serial Digital Output for Daisy Chaining
(MAX4820)
? Parallel Interface (MAX4821)
? Low 50 μ A (max) Quiescent Supply Current
? Space-Saving 20-Pin Thin QFN Package
Ordering Information
taneously with a single control line. Built-in hysteresis
(Schmidt trigger) on all digital inputs allows this device
to be used with slow rising and falling signals, such as
those from optocouplers or RC power-up initialization
PART
MAX4820 ETP+
MAX4820EUP+
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
20 Thin QFN-EP*
20 TSSOP-EP*
circuits. The MAX4820/MAX4821 are available in 20-pin
TSSOP and space-saving 20-pin Thin QFN packages.
MAX4821 ETP+ -40°C to +85°C 20 Thin QFN-EP*
MAX4821EUP+ -40°C to +85°C 20 TSSOP-EP*
Central Office
ATE
Diagrams
Functional Applications
+Denotes a lead(Pb)-free/RoHS-compliant package.
*EP = Exposed pad.
Pin Configurations
DSL, ADSL Line Cards
Industrial Equipment
E1/T1 Redundancy
TOP VIEW
+
RESET
CS
1
2
15
14
OUT3
OUT4
Pin Configurations continued at end of data sheet.
Typical Application Circuits and Functional Diagrams
appear at end of data sheet.
DIN
SCLK
DOUT
3
4
5
*EP
MAX4820
13
12
11
COM
OUT5
OUT6
Pin Configurations appear at end of data sheet.
SPI and QSPI are continued end of Inc.
Functional Diagrams trademarks of Motorola, data sheet.
UCSP is a is of Maxim National Products, Inc.
MICROWIRE trademark trademark of Integrated Semiconductor Corp.
*CONNECT EP TO GND.
THIN QFN
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maxim integrated .com.
19-2751; Rev 2; 1/10
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4820EUP+ | 功能描述:功率驱动器IC 3.3-5V 8Ch Cascade Relay Driver RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX4820EUP+T | 功能描述:功率驱动器IC 3.3-5V 8Ch Cascade Relay Driver RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX4820EUP-T | 功能描述:功率驱动器IC RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX4821ETP | 功能描述:功率驱动器IC RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX4821ETP+ | 功能描述:功率驱动器IC 3.3-5V 8Ch Cascade Relay Driver RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
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