Maxim Integrated DS1846
The DS1846 NV tri-potentiometer, memory, and MicroMonitor™ consists of two 10kW, 100-position linear taper potentiometers, one 100kW, 256-position linear taper potentiometer; 256 bytes of EEPROM memory; and a MicroMonitor. The device provides an ideal method for setting bias voltages and currents in control applications using a minimum of circuitry. The wiper positions of the DS1846, as well as EEPROM data, can be hardware write-protected using the WP input pin.
| Part No. |
DS1846 |
| Datasheet |
DS1846
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| Manufacturer |
 Maxim Integrated |
| Description |
NV Tri-Potentiometer/ Memory/ and MicroMonitor |
| Buy |
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FEATURES
§ Three linear taper potentiometers - Two 10kW, 100-position - One 100kW, 256-position 248 bytes of user EEPROM memory Monitors microprocessor power supply, voltage sense, and external override Access to data and potentiometer control through a 2-wire interface External write-protect (WP) pin to protect data and potentiometer settings Operates from a 5V supply Nonvolatile (NV) wiper storage Packaging: 20-pin TSSOP Programming temperature: 0ºC to +70ºC Industrial operating temperature: -40ºC to +85ºC § § § § § § § § § VCC IN PBRST RST RST H0 W0 H1 W2 H2 20-Pin TSSOP PIN DESCRIPTION
VCC GND SDA – Power-Supply Input – Ground – 2-Wire Serial Data Input/Output SCL – 2-Wire Serial Clock Input WP – Write-Protect Input A0 – Address Input H0, H1, H2 – High End of Potentiometer L0, L1, L2 – Low End of Potentiometer W0, W1, W2 – Wiper Terminal of Potentiometer PBRST – Pushbutton Reset Input NMI – Nonmaskable Interrupt Output IN – NMI Voltage Input RST ORDERING INFORMATION DS1846E-010 DS1...