EL5226 INTERSIL [Intersil Corporation], EL5226 Datasheet
EL5226
Available stocks
Related parts for EL5226
EL5226 Summary of contents
Page 1
... Programming of each output is 2 performed using the I C serial interface. A number of the EL5226 and EL5326 can be stacked for applications requiring more than 12 outputs. The reference inputs can be tied to the rails, enabling each part to output the full voltage range, or alternatively, they can be connected to external resistors to split the output range and enable finer resolutions of the outputs ...
Page 2
... VSD 9 20 REFH 10 19 REFL GND 13 16 CAP 14 15 DEV_ADDRO 2 EL5226, EL5326 NC OUTA OUTB OUTC GND OUTD OUTE OUTF OUTG GND OUTH OUTI OUTJ NC EL5326 (28-PIN TSSOP) TOP VIEW 1 28 STD_REG OUTA 2 27 SCL OUTB 3 26 ...
Page 3
... REFH REG Load Regulation DIGITAL V Logic 1 Input Voltage IH V Logic 0 Input Voltage IL F Clock Frequency CLK 3 EL5226, EL5326 = 25°C) Maximum Die Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . +125°C and +7V (max) Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C S Ambient Operating Temperature . . . . . . . . . . . . . . . .-40°C to +85° 5V 13V, V ...
Page 4
... EL5226, EL5326 PIN NAME PIN TYPE STD_REG Logic Input SCL Logic Input SDA Logic Input OSC Input/Output OSC_SELECT Logic Input VS Analog Power NC VSD Digital Power REFH Analog Reference Input High reference voltage ...
Page 5
... L FIGURE 3. TRANSIENT LOAD REGULATION (SOURCING) M=400µs/DIV 10V 5V OUTPUT 0V FIGURE 5. LARGE SIGNAL RESPONSE (RISING FROM 0V TO 8V) 5 EL5226, EL5326 =2V 810 1010 FIGURE 2. DIGITAL SUPPLY VOLTAGE vs DIGITAL SUPPLY 5mA/DIV C =4.7nF L R =20Ω S 200mV/DIV FIGURE 4. TRANSIENT LOAD REGULATION (SINKING) SCLK SDA FIGURE 6 ...
Page 6
... AMBIENT TEMPERATURE (°C) FIGURE 9. POWER DISSIPATION vs AMBIENT TEMPERATURE 6 EL5226, EL5326 (Continued) SCLK SDA OUTPUT FIGURE 8. SMALL SIGNAL RESPONSE (FALLING FROM 85 100 125 M=400µs/DIV SCLK SDA OUTPUT 200mV TO 0V) JEDEC JESD51-7 HIGH EFFECTIVE THERMAL CON- DUCTIVITY TEST BOARD 1 ...
Page 7
... Each of the eight reference voltage outputs can be set with a 10-bit resolution. These outputs can be driven to within 50mV of the power rails of the EL5226 and EL5326. As all of the output buffers are identical also possible to use the EL5226 and EL5326 for applications other than LCDs where multiple voltage references are required that can be set to 10 bit accuracy ...
Page 8
I C Timing Diagram 1 STANDARD MODE (STD/REG = HIGH) WRITE MODE Start Device Address W A Data Data CLK In 1 ...
Page 9
... REFL REFH 1024 where data is the decimal value of the 10-bit data binary input code. The output voltages from the EL5226 and EL5326 will be derived from the reference voltages present at the V and V pins. The impedance between those two pins is REFH about 32kΩ. ...
Page 10
... In the worst-case scenario this will be 480µs for EL5226 and 576µs for EL5236, when the data has just missed the cycle. When a large change in output voltage is required, the change will occur in 2V steps, thus the requisite number of timing cycles will be added to the overall update time ...
Page 11
... Good printed circuit board layout is necessary for optimum performance. A low impedance and clean analog ground plane should be used for the EL5226 and EL5326. The traces from the two ground pins to the ground plane must be very short. The thermal pad of the EL5226 and EL5326 should be connected to the analog ground plane ...
Page 12
... However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. For information regarding Intersil Corporation and its products, see www.intersil.com 12 EL5226, EL5326 HIGH REFERENCE VOLTAGE REFH OUTA 0.1µ ...