MAX3325CAI-T Maxim Integrated, MAX3325CAI-T Datasheet
![no-image](/images/no-image-200.jpg)
MAX3325CAI-T
Specifications of MAX3325CAI-T
Related parts for MAX3325CAI-T
MAX3325CAI-T Summary of contents
Page 1
... Uses Small 0.22µF Capacitors—No Inductors Required Temperature Sensor for LCD Contrast Compensation Simple, Flexible Design Procedure for a Broad Range of LCD Displays Ordering Information PART TEMP. RANGE PIN-PACKAGE MAX3325CAI 0°C to +70°C 28 SSOP MAX3325CNI 0°C to +70°C 28 Narrow Plastic DIP MAX3325EAI -40°C to +85°C 28 SSOP MAX3325ENI -40° ...
Page 2
Dual RS-232 Transceiver with LCD Supply and Contrast Controller ABSOLUTE MAXIMUM RATINGS GND ........................................................-0. LCD, REF-, TEMP to GND .............................- GND (Note 1) ..................................................-0.3V to +7V V- ...
Page 3
Dual RS-232 Transceiver with LCD Supply and Contrast Controller ELECTRICAL CHARACTERISTICS (continued +3.0V to +3.6V +3.3V, circuit and components of Figure are +3.3V +25°C ...
Page 4
Dual RS-232 Transceiver with LCD Supply and Contrast Controller TIMING CHARACTERISTICS (V = +3.0V to +3.6V +3.3V, circuit and components of Figure are +3.3V +25°C PARAMETER ...
Page 5
Dual RS-232 Transceiver with LCD Supply and Contrast Controller ( +3.3V, circuit and components of Figure 1, all transmitters loaded with 3kΩ and TRANSMITTER OUTPUTS EXITING SHUTDOWN OR POWERING UP MAX3325toc04 5V/div SD232 ...
Page 6
Dual RS-232 Transceiver with LCD Supply and Contrast Controller PIN NAME 1 C2+ Positive Terminal of Voltage-Inverting Charge-Pump Capacitor. Connect C2+ to C2- with a 0.22µF capacitor. 2 C2- Negative Terminal of Voltage-Inverting Charge-Pump Capacitor. Connect C2- to C2+ ...
Page 7
Dual RS-232 Transceiver with LCD Supply and Contrast Controller 0.22 F R1OUT 0.22 F R2OUT *RESISTORS R + AND R - ARE BOTH SHOWN, BUT ONLY ...
Page 8
Dual RS-232 Transceiver with LCD Supply and Contrast Controller Detailed Description Dual Charge-Pump Voltage Converter The MAX3325’s internal power supply consists of a reg- ulated dual charge pump that provides output voltages of +5.5V (doubling charge pump) and -5.5V ...
Page 9
Dual RS-232 Transceiver with LCD Supply and Contrast Controller Applications Information Capacitor Selection The capacitor type used for C1–C4 is not critical for proper operation; polarized or nonpolarized capacitors can be used. Ceramic chip capacitors with an X7R dielectric ...
Page 10
Dual RS-232 Transceiver with LCD Supply and Contrast Controller to maintain the nominal contrast is -16mV/°C. In this case, data for a spread of nominal bias voltages is not avail- able range of ±1V is chosen by ...
Page 11
Dual RS-232 Transceiver with LCD Supply and Contrast Controller V- 0.22 F MAX3325 C1+ 0.22 F C1 INPUT DD UP 6-BIT DOWN DAC SDLCD SD232 T1IN TTL/CMOS INPUTS T2IN V L R1OUT TTL/CMOS OUTPUTS ...
Page 12
... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 12 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 1999 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products ...