Rainbow-electronics DS1667 Manual de usuario Pagina 1

Copyright 1995 by Dallas Semiconductor Corporation. All Rights Reserved. For important information regarding patents and other intellectual propert

DS1667021492 10/11OPERATIONAL AMPLIFIER SECTIONAC ELECTRICAL CHARACTERISTICS (0°C to 70°C; VCC = 5.0V ± 10%)PARAMETER SYMBOL MIN TYP MAX UNITS NOTESSl

DS1667021492 11/11LOAD SCHEMATIC Figure 8+5 VOLTS50 pFD.U.T.680 Ω1.1K

DS1667021492 2/11ments to perform such functions as analog to digitalconversion, digital to analog conversion, variable gainamplifiers, and variable o

DS1667021492 3/11Information is written to and read from the wiper 0 andwiper 1 registers and the stack select bit via the 17-bitI/O shift register.

DS1667021492 4/11WRITING DATA Figure 2RSTDQCLKI/O SRWIPER 0 & 1STACK SELECTPREVIOUS VALUENEW VALUENEW CONTROL REG.+0, 1+0DON’T CAREDON’T CARE BIT

DS1667021492 5/11READING DATA Figure 4RSTCLKCONTROLREGISTERSCURRENT SETTINGSNOBIT 16COUTBIT 15 BIT 14 BIT 0 BIT 16CHANGESDS1667 LINEARITY MEASUREMENT

DS1667021492 6/11LINEARITY MEASUREMENT CONFIGURATION Figure 5+5V–5VHXPOTXRWX+–V0I0 = 0LXWXX=0 POT0X=1 POT1DS1667 ABSOLUTE AND RELATIVE LINEARITY Fig

DS1667021492 7/11TIMING DIAGRAM: RESISTOR SECTION Figure 7RSTCLKDQ INPUTSCOUTtHHTtWtHLTtWtHtHtSUtSUtPLH

DS1667021492 8/11ABSOLUTE MAXIMUM RATINGS*Voltage on Any Pin Relative to Ground (VB = GND) –0.5V to +7.0VVoltage on Resistor Pins when VB = -5.5V -5.5

DS1667021492 9/11CAPACITANCE (tA = 25°C)PARAMETER SYMBOL MIN TYP MAX UNITS NOTESInput Capacitance CIN5 pFOutput Capacitance COUT7 pFAC ELECTRICAL CHA