DAC1219LCJ National Semiconductor, DAC1219LCJ Datasheet
DAC1219LCJ
Related parts for DAC1219LCJ
DAC1219LCJ Summary of contents
Page 1
... TL H 5691 – A12 4096 DAC1218LCJ-1 DAC1218LCJ DAC1219LCJ December 1994 Bits 12 Bits (DAC1218) 11 Bits (DAC1219 ppm Dual-In-Line Package TL H 5691– 15 Top View Package Outline ...
Page 2
... Digital Input Currents Digital Inputs Digital Inputs t Current Settling Time R 100 01% All Digital Inputs Switched Simultaneously Operating Conditions (Notes 1 and 2) Temperature Range DAC1218LCJ DAC1219LCJ DAC1218LCJ Range GND Voltage at Any Digital Input CC 25V 150 C a ...
Page 3
Electrical Characteristics Notes Note 1 Absolute Maximum Ratings indicate limits beyond which damage to the device may occur DC and AC electrical specifications do not apply when operating the device beyond its specified operating conditions Note 2 All voltages are ...
Page 4
Definition of Package Pinouts (A1 –A12) Digital Inputs A12 is the least significant digital input (LSB) and A1 is the most significant digital input (MSB) I DAC Current Output maximum for a OUT1 OUT1 digital input ...
Page 5
Application Hints The DAC1218 and DAC1219 are pin-for-pin compatible with the DAC1220 series but feature 12 and 11-bit linearity spec- ifications To preserve this degree of accuracy care must be taken in the selection and adjustments of the output am- ...
Page 6
Application Hints (Continued A12 OUT REF 4096 where digital input is high digital input is low e FIGURE 3 Zeroing ...
Page 7
Application Hints (Continued) FIGURE 4 Composite Output Amplifier Connection Diodes are 1N4148 FIGURE 5 DAC Settling Time Test Circuit Amplifier LM11 LF351 LF351 Composite LM11-LF351 LF356 FIGURE 6 Some Measured Settling Times C Settling Time ...
Page 8
Application Hints (Continued OBTAINING A BIPOLAR OUTPUT VOLTAGE FROM A FIXED REFERENCE The addition of a second op amp to the circuit of Figure 2 can generate a bipolar output voltage from a fixed reference voltage ( Figure ...
Page 9
Application Hints (Continued Zero and Full-Scale Adjustments The three adjustments needed for this circuit are shown in Figure 7 The first step is to set all of the digital inputs LOW (to force and then ...
Page 10
Additional Application Ideas Offsetting the Zero Code Output Voltage 2V R2 REF V e Zero Shift Amp ( 4096 (Continued) High Current Controller 5691 – 5691 – ...
Page 11
Additional Application Ideas C1 controls maximum frequency 0 5% sine wave THD over range k Range 30 kHz maximum Linearity DAC limit 4096 ( Digitally Programmable Pulse-Width Generator C(7 5V) (4096 ...
Page 12
... Physical Dimensions inches (millimeters) Order Number DAC1218LCJ-1 DAC1218LCJ or DAC1219LCJ LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL SEMICONDUCTOR CORPORATION As used herein 1 Life support devices or systems are devices or ...