Datasheet Summary
LC2MOS Microprocessor-patible 14-Bit DAC
Features
All grades 14-bit monotonic over the full temperature range Low cost, 14-bit upgrade for 12-bit systems 14-bit parallel load with double buffered inputs Small 24-pin, 0.30” DIP and SOIC Low output leakage (<20 nA) over the full temperature range
APPLICATIONS
Microprocessor-based control systems Digital audio Precision servo control Control and measurement in high temperature environments
FUNCTIONAL BLOCK DIAGRAM
VDD 23
2 RFB
VREF 1
14-BIT DAC
3 IOUT
4 AGND
DAC REGISTER
20 LDAC
INPUT REGISTER
6 19 DB13 TO DB0
5 DGND
Figure 1.
21 CS
22 WR
24 VSS
01139-001
GENERAL DESCRIPTION
The AD7538 is a 14-bit...