Datasheet MAX6120 (Analog Devices) - 4

Low-Cost, Micropower, Precision, 3-Terminal, 1.2V Voltage Reference _____________________Pin Description __________Applications Information Input Bypassing PIN
For the best line-transient performance, decouple the
NAME FUNCTION SOT23 SO
input with a 0.1µF ceramic capacitor as shown in the Typical Operating Circuit. Locate the capacitor as 1 8 VIN Input Voltage close to the device pin as possible. Where transient performance is less important, no capacitor is neces- 2 1 VOUT Reference Output
MAX6120
sary. 3 4 GND Ground
Output Bypass
2, 3, 5, No Connect—not internally The MAX6120 performs well without an output decou- — N.C. 6, 7 connected pling capacitor. If your application requires an output charge reservoir (e.g., to decouple the reference from the input of a DAC), then make sure that the total output capacitive load does not exceed 10nF. +3V VIN VOUT MAX6120 1 2 3 0.1µF 0.01µF +3V DIN CS REFAB REFC 1 2 12 11 SCLK 3 OUTA R R VIN VOUT DAC 8 MAX6120 1 LATCH A DAC A 2 3 OUTB 7 2 +1.2V DAC 9 LATCH B DAC B 6 -1.2V DATA (8) MAX406A 3 OUTC 4 DAC LATCH C DAC C 10 -3V 16-BIT SHIFT REGISTER MAX512 MAX513 CONTROL (8) LOUT LATCH Figure 2. Low-Power ±1.2V Reference 14 4 5 7 6 RESET VDD VSS GND
___________________Chip Information
Figure 1. 3V, Triple, 8-Bit Serial DAC TRANSISTOR COUNT: 39
4 _______________________________________________________________________________________