Product Summary

The MAX4820EUP is 8-channel relay driver which offer built-in kickback protection and drive +3.3V/+5V nonlatching or dual-coil-latching relays. It is especially useful when driving +3V relays. The MAX4820EUP features an SPI™-/QSPI™-/MICROWIRE™-compatible serial interface. The device is available in 20-pin TSSOP and space-saving 20-pin thin QFN packages.

Parametrics

Absolute maximum ratings:(1)VCC, COM:-0.3V to 6.0V;(2)OUT:-0.3V to (VCOM + 0.3V);(3)CS, SCLK, DIN, SET, RESET, A0, A1, A2, LVL:-0.3V to 6.0V;(4)DOUT:-0.3V to (VCC + 0.3V);(5)Continuous OUT_ Current (all outputs turned on):150mA;(6)Continuous OUT_ Current (single output turned on):300mA;(7)Continuous Power Dissipation (TA = +70°C) 20-Lead Thin QFN (derate 16.9mW/°C above +70°C):1350mW, θJA=59.3°C/W;(8)Operating Temperature Range:-40°C to +85°C;(9)Junction Temperature:+150°C;(10)Storage Temperature Range:-65°C to +150°C;(11)Soldering Temperature (10s):+300°C.

Features

Features:(1)8 Independent Output Channels;(2)Built-In Inductive Kickback Protection;(3)Drive +3V and +5V Relays;(4)Guaranteed 70mA (min) Coil Drive Current;(5)SET Function to Turn On All Outputs Simultaneously;(6)RESET Function to Turn Off All Outputs Simultaneously;(7)SPI-/QSPI-/MICROWIRE-Compatible Serial Interface;(8)Serial Digital Output for Daisy Chaining;(9)Low 50μA (max) Quiescent Supply Current;(10)Space-Saving 20-Pin Thin QFN Package.

Diagrams

Image Part No Mfg Description Data Sheet Download Pricing
(USD)		 Quantity
MAX4820EUP
MAX4820EUP
Maxim Integrated Products
Power Driver ICs
Data Sheet
Negotiable 
MAX4820EUP+
MAX4820EUP+
Maxim Integrated Products
Power Driver ICs 3.3-5V 8Ch Cascade Relay Driver
Data Sheet
0-1: $2.56
1-25: $1.72
25-50: $1.24
50-100: $1.23
MAX4820EUP+T
MAX4820EUP+T
Maxim Integrated Products
Power Driver ICs 3.3-5V 8Ch Cascade Relay Driver
Data Sheet
0-2080: $1.09
2080-2500: $1.09
MAX4820EUP-T
MAX4820EUP-T
Maxim Integrated Products
Power Driver ICs
Data Sheet
Negotiable