AD8290ACPZ-RL Analog Devices Inc, AD8290ACPZ-RL Datasheet
AD8290ACPZ-RL
Specifications of AD8290ACPZ-RL
Related parts for AD8290ACPZ-RL
AD8290ACPZ-RL Summary of contents
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FEATURES Supply voltage range: 2 5.5 V Low power 1 2× excitation current 0.5 μA shutdown current Low input bias current: ±100 pA High CMRR: 120 dB Space savings: 16-lead, 3.0 mm × 3.0 mm × ...
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AD8290 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 General Description ......................................................................... 1 Functional Block Diagram .............................................................. 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 5 Thermal Resistance ...................................................................... 5 ESD Caution.................................................................................. 5 Pin Configuration and Function Descriptions............................. ...
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SPECIFICATIONS 25° 6.8 nF, output antialiasing capacitor = 68 nF FILTER otherwise noted. Table 1. Parameter COMMON-MODE REJECTION RATIO (CMRR) CMRR DC NOISE Amplifier and VREF ...
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AD8290 Parameter POWER SUPPLY Operating Range Quiescent Current Shutdown Current TEMPERATURE RANGE For Operational Performance Test Conditions Min 2.6 −40 Rev Page Typ Max 5.5 1.2 + 2× 1.8 + 2× excitation current excitation current ...
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ABSOLUTE MAXIMUM RATINGS Table 2. Parameter Supply Voltage Input Voltage 1 Differential Input Voltage Output Short-Circuit Duration to GND Storage Temperature Range Operating Temperature Range Junction Temperature Range Lead Temperature (Soldering, 10 sec) 1 Differential input voltage is limited to ...
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AD8290 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 4. Pin Function Descriptions Pin No. Mnemonic Description Tie to Ground 2 VCC Positive Power Supply Voltage. 3 ENBL Logic 1 enables the part, and Logic 0 disables the part. ...
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TYPICAL PERFORMANCE CHARACTERISTICS 892 894 896 898 900 902 OUTPUT VOLTAGE (mV) Figure 3. Output Offset Voltage at 2.6 V Supply 892 894 896 ...
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AD8290 1.296 1.297 1.298 1.299 1.300 1.301 1.302 1.303 1.304 1.305 EXCITATION CURRENT (mA) Figure 9. Output Excitation Current for 692 Ω 1.296 1.297 1.298 1.299 1.300 ...
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NONLINEARITY (%) Figure 15. Percent Nonlinearity at 2.6 V Supply 0.0030 0.0040 0.0050 0.0060 0.0035 0.0045 ...
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AD8290 DRIFT (ppm/°C) Figure 21. Excitation Current Drift from −40°C to +85°C at 2.6 V Supply kΩ SET ...
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DRIFT (ppm/°C) Figure 27. Gain Drift from −40°C to +85°C at 2.6 V Supply ...
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AD8290 310 305 300 295 2.6V SUPPLY 290 285 280 0 0.5 1.0 1.5 2.0 2.5 3.0 PIN VOLTAGE (V) Figure 33. Low Excitation Current vs. Excitation Current Pin Voltage 1.32 1.31 1.30 1.29 2.6V SUPPLY 1.28 1.27 1.26 0 ...
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SUPPLY 1.3 1.2 3.6V SUPPLY 1.1 1.0 2.6V SUPPLY 0.9 0.8 0.7 0.6 –45 –35 –25 –15 – TEMPERATURE (°C) Figure 39. Quiescent Current vs. Temperature (Excludes 2× Excitation Current) TIME (10s/DIV) ...
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AD8290 THEORY OF OPERATION AMPLIFIER The amplifier of the AD8290 is a precision current-mode correction instrumentation amplifier internally set to a fixed gain of 50. The current-mode correction topology results in excellent accuracy. Figure 43 shows a simplified ...
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CURRENT SOURCE The AD8290 generates an excitation current that is programmable with an external resistor, R Figure 44. A1 and M1 are configured to produce 0.9 V across R , which is based on an internal 0.9 V reference and ...
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AD8290 APPLICATIONS INFORMATION TYPICAL CONNECTIONS Figure 45 shows the typical connections for single-supply operation when used with a sensor bridge. CURRENT EXCITATION In Figure 45 used to set the excitation current sourced at SET the IOUT pin. The ...
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MAXIMIZING PERFORMANCE THROUGH PROPER LAYOUT To achieve the maximum performance of the AD8290, care should be taken in the circuit board layout. The PCB surface must remain clean and free of moisture to avoid leakage currents between adjacent traces. Surface ...
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AD8290 PRESSURE SENSOR BRIDGE APPLICATION Given its excitation current range, the AD8290 provides a good match with pressure sensor circuits. Two such sensors are the Fujikura FGN-615PGSR and the Honeywell HPX050AS. Figure 47 shows the AD8290 paired with the Honeywell ...
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TEMPERATURE SENSOR APPLICATION The AD8290 can be used with a temperature sensor. Figure 48 shows the AD8290 in conjunction with an RTD, in this example, a 2-wire PT100. The specifications for the sensor are shown in Table 8 and the ...
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... Temperature Range 1 AD8290ACPZ-R2 −40°C to +85°C 1 AD8290ACPZ-R7 −40°C to +85°C 1 AD8290ACPZ-RL −40°C to +85° RoHS Compliant Part. ©2007–2008 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. 3.00 BSC SQ 13 ...