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AD8402ARU50 Fiches technique(PDF) 6 Page - Analog Devices |
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AD8402ARU50 Fiches technique(HTML) 6 Page - Analog Devices |
6 / 32 page AD8400/AD8402/AD8403 Rev. E | Page 6 of 32 ELECTRICAL CHARACTERISTICS—50 KΩ AND 100 KΩ VERSIONS VDD = 3 V ± 10% or 5 V ± 10%, VA = VDD, VB = 0 V, −40°C ≤ TA ≤ +125°C, unless otherwise noted. Table 2. Parameter Symbol Conditions Min Typ1 Max Unit DC CHARACTERISTICS RHEOSTAT MODE (Specifications Apply to All VRs) Resistor Differential NL2 R-DNL RWB, VA = No Connect −1 ±1/4 +1 LSB Resistor Nonlinearity2 R-INL RWB, VA = No Connect −2 ±1/2 +2 LSB Nominal Resistance3 RAB TA = 25°C, Model: AD840XYY50 35 50 65 kΩ RAB TA = 25°C, Model: AD840XYY100 70 100 130 kΩ Resistance Tempco ΔRAB/ΔT VAB = VDD, Wiper = No Connect 500 ppm/°C Wiper Resistance RW VDD = 5V, IW = VDD/RAB 50 100 Ω RW VDD = 3V, IW = VDD/RAB 200 Ω Nominal Resistance Match ΔR/RAB CH 1 to CH 2, CH 3, or CH 4, VAB = VDD, TA = 25°C 0.2 1 % DC CHARACTERISTICS POTENTIOMETER DIVIDER (Specifications Apply to All VRs) Resolution N 8 Bits Integral Nonlinearity4 INL −4 ±1 +4 LSB Differential Nonlinearity4 DNL VDD = 5 V −1 ±1/4 +1 LSB DNL VDD = 3 V, TA = 25°C −1 ±1/4 +1 LSB DNL VDD = 3 V, TA = −40°C to +85°C −1.5 ±1/2 +1.5 LSB Voltage Divider Tempco ΔVW/ΔT Code = 80H 15 ppm/°C Full-Scale Error VWFSE Code = FFH −1 −0.25 0 LSB Zero-Scale Error VWZSE Code = 00H 0 +0.1 +1 LSB RESISTOR TERMINALS Voltage Range5 VA, VB, VW 0 VDD V Capacitance6 Ax, Bx CA, CB f = 1 MHz, measured to GND, code = 80H 15 pF Capacitance6 Wx CW f = 1 MHz, measured to GND, code = 80H 80 pF Shutdown Current7 IA_SD VA = VDD, VB = 0 V, SHDN = 0 0.01 5 μA Shutdown Wiper Resistance RW_SD VA = VDD, VB = 0 V, SHDN = 0, VDD = 5 V 100 200 Ω DIGITAL INPUTS AND OUTPUTS Input Logic High VIH VDD = 5 V 2.4 V Input Logic Low VIL VDD = 5 V 0.8 V Input Logic High VIH VDD = 3 V 2.1 V Input Logic Low VIL VDD = 3 V 0.6 V Output Logic High VOH RL = 2.2 kΩ to VDD VDD − 0.1 V Output Logic Low VOL IOL = 1.6 mA, VDD = 5 V 0.4 V Input Current IIL VIN = 0 V or 5 V, VDD = 5 V ±1 μA Input Capacitance6 CIL 5 pF POWER SUPPLIES Power Supply Range VDD range 2.7 5.5 V Supply Current (CMOS) IDD VIH = VDD or VIL = 0 V 0.01 5 μA Supply Current (TTL)8 IDD VIH = 2.4 V or 0.8 V, VDD = 5.5 V 0.9 4 mA Power Dissipation (CMOS)9 PDISS VIH = VDD or VIL = 0 V, VDD = 5.5 V 27.5 μW Power Supply Sensitivity PSS VDD = 5 V ± 10% 0.0002 0.001 %/% PSS VDD = 3 V ± 10% 0.006 0.03 %/% |
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