AD7545A

Features:

Improved Version of AD7545
Fast Interface Timing
All Grades 12-Bit Accurate
20-Lead DIP and Surface Mount Packages
Low Cost


Pinout




Specifications

V_DD to DGND . . . . . . . . . . . . . . . . . . . . . .................... . . . 0.3 V, +17 V
Digital Input Voltage to DGND . . . . . ..................... . 0.3 V, V_DD +0.3 V
V_RFB, V_REF to DGND . . . . . . . . . . . . . ...................... . . . . . . . . . . . ±25 V
V_PIN1 to DGND . . . . . . . . . . . . . . . . ..................... . . 0.3 V, V_DD +0.3 V
AGND to DGND . . . . . . . . . . . . . . . . . ....................... 0.3 V, V_DD +0.3 V
Power Dissipation (Any Package) to 75 . . . . . .................. . . . 450 mW
Derates above 75 by . . . . . . . . . . . . . . . . . . ......... .............. . 6 mW/
Operating Temperature Range
Commercial (KN, LN, KP, LP) Grades . ................................ . 0 to +70
Industrial (BQ, CQ, BE, CE) Grades . ........................... . . 25 to +85
Extended (TQ, UQ, TE, UE) Grades . . . ...........................55 to +125
Storage Temperature . . . . . . . . . . . . . . . . .................. . 65 to +150
Lead Temperature (Soldering, 10 secs) . . . . . . .................... . . . . +300


Description

The AD7545A, a 12-bit CMOS multiplying DAC with internal data latches, is an improved version of the industry standard AD7545. This new design of AD7545A  features a WR pulse width of 100 ns, which allows interfacing to a much wider range of fast 8-bit and 16-bit microprocessors. It is loaded by a single 12-bit-wide word under the control of the CS and WR inputs; tying these control inputs low makes the input latches transparent, allowing unbuffered operation of the DAC.