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AD8402AR1 Fiches technique(PDF) 8 Page - Analog Devices |
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AD8402AR1 Fiches technique(HTML) 8 Page - Analog Devices |
8 / 32 page AD8400/AD8402/AD8403 Rev. E | Page 8 of 32 ELECTRICAL CHARACTERISTICS—1 KΩ VERSION VDD = 3 V ± 10% or 5 V ± 10%, VA = VDD, VB = 0 V, −40°C ≤ TA ≤ +125°C, unless otherwise noted. Table 3. 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 −5 −1 +3 LSB Resistor Nonlinearity2 R-INL RWB, VA = no connect −4 ±1.5 +4 LSB Nominal Resistance3 RAB TA = 25°C, model: AD840XYY1 0.8 1.2 1.6 kΩ Resistance Tempco ΔRAB/ΔT VAB = VDD, wiper = no connect 700 ppm/°C Wiper Resistance RW VDD = 5V, IW = VDD/RAB 53 100 Ω RW VDD = 3V, IW = VDD/RAB 200 Ω Nominal Resistance Match ΔR/RAB CH 1 to CH 2, VAB = VDD, TA = 25°C 0.75 2 % DC CHARACTERISTICS POTENTIOMETER DIVIDER (Specifications Apply to All VRs) Resolution N 8 Bits Integral Nonlinearity4 INL −6 ±2 +6 LSB Differential Nonlinearity4 DNL VDD = 5 V −4 −1.5 +2 LSB DNL VDD = 3 V, TA = 25°C −5 −2 +5 LSB Voltage Divider Temperature Coefficient ΔVW/ΔT Code = 80H 25 ppm/°C Full-Scale Error VWFSE Code = FFH −20 −12 0 LSB Zero-Scale Error VWZSE Code = 00H 0 6 10 LSB RESISTOR TERMINALS Voltage Range5 VA, VB, VW 0 VDD V Capacitance6 Ax, Bx CA, CB f = 1 MHz, measured to GND, code = 80H 75 pF Capacitance6 Wx CW f = 1 MHz, measured to GND, code = 80H 120 pF Shutdown Supply 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 50 100 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 ΔVDD = 5 V ± 10% 0.0035 0.008 %/% PSS ΔVDD = 3 V ± 10% 0.05 0.13 %/% |
Numéro de pièce similaire - AD8402AR1 |
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Description similaire - AD8402AR1 |
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