ADM1485AQ Analog Devices, ADM1485AQ Datasheet
ADM1485AQ
Related parts for ADM1485AQ
ADM1485AQ Summary of contents
Page 1
GENERAL DESCRIPTION The ADM1485 is a differential line transceiver suitable for high speed bidirectional data communication on multipoint bus transmission lines designed for balanced data transmission and complies with both EIA Standards RS-485 and RS-422. The part ...
Page 2
ADM1485–SPECIFICATIONS Parameter DRIVER Differential Output Voltage OD3 ∆|V | for Complementary Output States OD Common-Mode Output Voltage V OC ∆|V | for Complementary Output States OD Output Short Circuit Current (V OUT Output Short Circuit Current (V ...
Page 3
... Z Z Model ADM1485JN ADM1485JR OUTPUT ADM1485AN RO ADM1485AR ADM1485AQ ADM1485 PIN FUNCTION DESCRIPTION Receiver Output. When enabled if A > 200 mV, then RO = High < 200 mV, then RO = Low. Receiver Output Enable. A low level enables the receiver output, RO. A high level places high impedance state ...
Page 4
ADM1485 Test Circuits OD3 A R LDIFF B Switching Characteristics 3V 1. PLH B 1/2VO SKEW VO 90% POINT 0V 10% POINT – 1. 2.3V A, ...
Page 5
OUTPUT VOLTAGE – Volts 0 8mA 0.3 0.2 0.1 –50 – 100 125 TEMPERATURE – C 100 90 ...
Page 6
ADM1485–Typical Performance Characteristics –50 – 100 125 TEMPERATURE – C 100 500mV 500mV 5ns D R 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0 –50 –25 25 ...
Page 7
APPLICATIONS INFORMATION Differential Data Transmission Differential data transmission is used to reliably transmit data at high rates over long distances and through noisy environments. Differential transmission nullifies the effects of ground shifts and noise signals which appear as common-mode voltages ...
Page 8
ADM1485 0.0098 (0.25) 0.0040 (0.10) OUTLINE DIMENSIONS Dimensions shown in inches and (mm). 8-Lead SOIC (SO-8) 0.1968 (5.00) 0.1890 (4.80 0.2440 (6.20) 0.1574 (4.00) 0.2284 (5.80) 0.1497 (3.80 PIN 1 0.0500 (1.27) BSC 0.0688 (1.75) 0.0532 ...