MAX4820ETP

更新时间： 2024-02-18 20:55:39

品牌	Logo	应用领域
美信 - MAXIM		外围驱动器驱动程序和接口接口集成电路继电器信息通信管理
页数	文件大小	规格书
13页	343K
描述
+3.3V/+5V, 8-Channel, Cascadable Relay Drivers with Serial/Parallel Interface

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MAX4820ETP 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Obsolete	零件包装代码：	QFN
包装说明：	4 X 4 MM, 0.80 MM PITCH, MO-220, QFN-20	针数：	20
Reach Compliance Code：	not_compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.1
Is Samacsys：	N	内置保护：	TRANSIENT
驱动器位数：	8	接口集成电路类型：	BUFFER OR INVERTER BASED PERIPHERAL DRIVER
JESD-30 代码：	S-XQCC-N20	JESD-609代码：	e0
长度：	4 mm	湿度敏感等级：	1
功能数量：	1	端子数量：	20
最高工作温度：	85 °C	最低工作温度：	-40 °C
输出电流流向：	SINK	最大输出电流：	0.15 A
标称输出峰值电流：	0.07 A	封装主体材料：	UNSPECIFIED
封装代码：	HVQCCN	封装等效代码：	LCC20,.16SQ,20
封装形状：	SQUARE	封装形式：	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：	245	电源：	3.3/5 V
认证状态：	Not Qualified	座面最大高度：	0.8 mm
子类别：	Peripheral Drivers	最大供电电压：	5.5 V
最小供电电压：	2.3 V	标称供电电压：	3.3 V
表面贴装：	YES	技术：	BICMOS
温度等级：	INDUSTRIAL	端子面层：	Tin/Lead (Sn85Pb15)
端子形式：	NO LEAD	端子节距：	0.5 mm
端子位置：	QUAD	处于峰值回流温度下的最长时间：	NOT SPECIFIED
断开时间：	1 µs	接通时间：	1 µs
宽度：	4 mm	Base Number Matches：	1

MAX4820ETP 数据手册

19-2751; Rev 0; 1/03

+3.3V/+5V, 8-Channel, Cascadable Relay Drivers

with Serial/Parallel Interface

General Description

Features

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 2Ω 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.

ꢀ 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

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.

ꢀ RESET Function to Turn Off All Outputs

Simultaneously

ꢀ SPI-/QSPI-/MICROWIRE-Compatible Serial

Interface (MAX4820)

ꢀ Serial Digital Output for Daisy Chaining

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.

(MAX4820)

ꢀ Parallel Interface (MAX4821)

ꢀ Low 50µA (max) Quiescent Supply Current

ꢀ Space-Saving 20-Pin Thin QFN Package

Both devices feature separate set and reset functions

that allow the user to turn on or turn off all outputs simul-

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

circuits. The MAX4820/MAX4821 are available in 20-pin

TSSOP and space-saving 20-pin thin QFN packages.

Ordering Information

PART

TEMP RANGE

-40°C to +85°C

PIN-PACKAGE

20 Thin QFN-EP

20 TSSOP

MAX4820ETP*

MAX4820EUP*

MAX4821ETP*

MAX4821EUP*

20 Thin QFN-EP

20 TSSOP

Applications

Central Office

*For maximum heat dissipation, packages have an exposed pad

(EP) on the bottom. Solder exposed pad to GND.

ATE

Pin Configurations

DSL, ADSL Line Cards

Industrial Equipment

E1/T1 Redundancy

TOP VIEW

RESET

15 OUT3

14 OUT4

13 COM

12 OUT5

Pin Configurations continued at end of data sheet.

DIN

MAX4820

Typical Application Circuits and Functional Diagrams

appear at end of data sheet.

SCLK

DOUT

OUT6

SPI and QSPI are trademarks of Motorola, Inc.

THIN QFN

MICROWIRE is a trademark of National Semiconductor Corp.

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...13

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MAX4820ETP 替代型号

型号	品牌	替代类型	描述	数据表
MAX4820ETP+	MAXIM	类似代替	+3.3V/+5V, 8-Channel, Cascadable Relay Drivers with Serial/Parallel Interface
MAX4820ETP+T	MAXIM	功能相似	Buffer/Inverter Based Peripheral Driver, 8 Driver, BICMOS, 4 X 4 MM, 0.80 MM PITCH, MO-220
MAX4820ETP-T	MAXIM	功能相似	暂无描述

与MAX4820ETP相关器件

型号	品牌	获取价格	描述	数据表
MAX4820ETP+	MAXIM	获取价格	+3.3V/+5V, 8-Channel, Cascadable Relay Drivers with Serial/Parallel Interface
MAX4820ETP+T	MAXIM	获取价格	Buffer/Inverter Based Peripheral Driver, 8 Driver, BICMOS, 4 X 4 MM, 0.80 MM PITCH, MO-220
MAX4820ETP-T	MAXIM	获取价格	暂无描述
MAX4820EUP	MAXIM	获取价格	+3.3V/+5V, 8-Channel, Cascadable Relay Drivers with Serial/Parallel Interface
MAX4820EUP+	MAXIM	获取价格	+3.3V/+5V, 8-Channel, Cascadable Relay Drivers with Serial/Parallel Interface
MAX4820EUP+T	MAXIM	获取价格	暂无描述
MAX4820EUP-T	MAXIM	获取价格	Buffer/Inverter Based Peripheral Driver, 8 Driver, 0.07A, BICMOS, PDSO20, 4.40 MM, MO-153A
MAX4821	MAXIM	获取价格	+3.3V/+5V, 8-Channel, Cascadable Relay Drivers with Serial/Parallel Interface
MAX4821	ADI	获取价格	+3.3V/+5V、8通道、可级联的继电器驱动器，具有串行/并行接口
MAX4821ETP	MAXIM	获取价格	+3.3V/+5V, 8-Channel, Cascadable Relay Drivers with Serial/Parallel Interface

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