AD628ARM Analog Devices Inc, AD628ARM Datasheet
AD628ARM
Specifications of AD628ARM
Related parts for AD628ARM
AD628ARM Summary of contents
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FEATURES High common-mode input voltage range ±120 ± Gain range 0.1 to 100 Operating temperature range: −40°C to +85°C Supply voltage range Dual supply: ±2. ±18 V Single supply: 4 ...
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AD628 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 General Description ......................................................................... 1 Functional Block Diagram .............................................................. 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 7 Thermal Characteristics .............................................................. 7 ESD Caution.................................................................................. 7 Pin Configuration and Function Descriptions............................. ...
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... RTI of input pins +0.1 to +100 500 ± ± −120 −120 +0.1, to 0.01%, 100 V step 1 kHz 0 −0.1 RTI of input pins −1.5 75 RTI of input pins +0.1 to +100 500 −0.1 Rev Page AD628AR AD628ARM Typ Max Min Typ Max 1 100 0.1 100 +1.5 −1.5 +1 +120 − ...
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... ⎢ ⎥ OUT 75 ⎢ ⎥ ⎣ ⎦ Rev Page AD628AR AD628ARM Typ Max Min Typ Max 0.5 0.5 +0.15 −0.15 +0.15 0.6 0.6 +14.1 −14.2 +14.1 +13.6 −13.8 +13.6 1.5 3 1.5 3 0.2 0.5 0.2 0.5 ...
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... RTI of input pins +0.1 to +100 75 500 Hz 75 −40°C to +85°C 70 −0 EXT1 EXT2 OUT RTI of output amplifier −0. kΩ 0 kΩ 130 130 OUT Rev Page AD628AR AD628ARM Typ Max Min Typ 1 1 100 0.1 +3.0 −3 +17 −12 +15 −15 440 440 0.3 0.3 ...
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... CM × Output Amplifier Gain ] ⎢ ⎥ OUT 75 ⎢ ⎥ ⎣ ⎦ REF ⎡ ⎤ ⎢ ⎥ (0.1 ⎢ ⎥ OUT 75 ⎢ ⎥ ⎣ ⎦ Rev Page AD628AR AD628ARM Typ Max Min Typ Max +36 ±2.25 +36 1.6 1.6 +85 −40 +85 . Unit V mA °C ...
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ABSOLUTE MAXIMUM RATINGS Table 3. Parameter Supply Voltage Internal Power Dissipation Input Voltage (Common Mode) Differential Input Voltage Output Short-Circuit Duration Storage Temperature Range Operating Temperature Range Lead Temperature (Soldering, 10 sec) 1 When using ±12 V supplies or higher, ...
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AD628 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 4. Pin Function Descriptions Pin No. Mnemonic 1 +IN 2 − REF 4 C FILT 5 OUT −IN –IN + AD628 ...
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TYPICAL PERFORMANCE CHARACTERISTICS 40 8440 UNITS –1.6 –1.2 –0.8 –0.4 0 0.4 INPUT OFFSET VOLTAGE (mV) Figure 5. Typical Distribution of Input Offset Voltage ±15 V, SOIC_N Package S 25 ...
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AD628 100 TIME (Seconds) Figure 11. 0 Voltage Noise, RTI +100 + – +0.1 –20 ...
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V = ±2.5V 100µ 1kΩ L 100 2kΩ 10kΩ OUTPUT VOLTAGE (V) Figure 17. Normalized Gain Error vs OUT –40 ...
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AD628 100 90 5V 10mV 10 0 Figure 23. Settling Time to 0.01 Step 100 90 5V 10mV 10 0 100µs Figure 24. Settling Time to 0.01 −10 V Step Rev. G ...
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TEST CIRCUITS –IN 8 100kΩ +IN 1 100kΩ –IN 8 100kΩ +IN 1 100kΩ REF HP3589A SPECTRUM ANALYZER + 10kΩ 10kΩ +IN OUT –IN – +0.1 +IN AD628 10kΩ FILT G ...
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AD628 SPECTRUM ANALYZER + FILT 7 4 –IN 10kΩ 10kΩ 100kΩ +IN 8 –IN – +0.1 +IN 100kΩ +IN 1 AD628 10kΩ REF G 10kΩ –V S 10kΩ Figure 27. Noise ...
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THEORY OF OPERATION The AD628 is a high common-mode voltage difference amplifier, combined with a user-configurable output amplifier (see Figure 28 and Figure 29). Differential mode voltages in excess of 120 V are accurately scaled by a precision 11:1 voltage ...
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AD628 APPLICATIONS INFORMATION GAIN ADJUSTMENT The AD628 system gain is provided by an architecture consisting of two amplifiers (see Figure 29). The gain of the input stage is fixed at 0.1; the output buffer is user adjustable ...
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The differential input voltage range is constrained to the linear operation of the internal amplifiers, A1 and A2. The voltage applied to the inputs of A1 and A2 should be between V + 1.2 V and V − 1.2 V. ...
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AD628 CURRENT LOOP RECEIVER Analog data transmitted current loop can be detected with the receiver shown in Figure 33. The AD628 is an ideal choice for such a function because the current loop is ...
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FILTER CAPACITOR VALUES Connect a capacitor to Pin implement a low-pass FILT filter. The capacitor value 15.9/f (μF) t where f is the desired 3 dB filter frequency. t Table 7 shows several ...
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... AD628ARM −40°C to +85°C AD628ARM-REEL −40°C to +85°C AD628ARM-REEL7 −40°C to +85°C 1 AD628ARMZ −40°C to +85°C AD628ARMZ-RL 1 −40°C to +85°C 1 AD628ARMZ-R7 −40°C to +85°C AD628-EVAL RoHS Compliant Part. ©2002–2007 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners ...