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AD698APZ
AD698APZ
型号
AD698APZ
类目
ADC/DAC/Data Conversion > ADC/DAC-Specific Type
制造商/品牌
ADI
封装
PLCC-28
包装
Tube
包裹数量
39
简介
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有货 61375 PCS
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AD698APZ Product details
PRODUCT DESCRIPTION
The AD698 is a complete, monolithic Linear Variable Differential Transformer (LVDT) signal conditioning subsystem. It is used in conjunction with LVDTs to convert transducer mechanical position to a unipolar or bipolar dc voltage with a high de gree of accuracy and repeatability. All circuit functions are included on the chip. With the addition of a few external passive components to set frequency and gain, the AD698 converts the raw LVDT output to a scaled dc signal. The device will operate with half-bridge LVDTs, LVDTs connected in the series opposed configuration (4-wire), and RVDTs.
FEATURES
Single Chip Solution, Contains Internal Oscillator and Voltage Reference
No Adjustments Required
Interfaces to Half-Bridge, 4-Wire LVDT
DC Output Proportional to Position
20 Hz to 20 kHz Frequency Range
Unipolar or Bipolar Output
Will Also Decode AC Bridge Signals
Outstanding Performance
Linearity: 0.05%
Output Voltage: 611 V
Gain Drift: 20 ppm/8C (typ)
Offset Drift: 5 ppm/8C (typ)
PRODUCT DESCRIPTION
The AD698 is a complete, monolithic Linear Variable Differential Transformer (LVDT) signal conditioning subsystem. It is used in conjunction with LVDTs to convert transducer mechanical position to a unipolar or bipolar dc voltage with a high de gree of accuracy and repeatability. All circuit functions are included on the chip. With the addition of a few external passive components to set frequency and gain, the AD698 converts the raw LVDT output to a scaled dc signal. The device will operate with half-bridge LVDTs, LVDTs connected in the series opposed configuration (4-wire), and RVDTs.
FEATURES
Single Chip Solution, Contains Internal Oscillator and Voltage Reference
No Adjustments Required
Interfaces to Half-Bridge, 4-Wire LVDT
DC Output Proportional to Position
20 Hz to 20 kHz Frequency Range
Unipolar or Bipolar Output
Will Also Decode AC Bridge Signals
Outstanding Performance
Linearity: 0.05%
Output Voltage: 611 V
Gain Drift: 20 ppm/8C (typ)
Offset Drift: 5 ppm/8C (typ)
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SIGNAL CONDITIONER, PQCC28, PLASTIC, LCC-28
Pin Count--------28
Part Category--------Integrated Circuit
Package Category--------Plastic Leaded Chip Carrier
Footprint Name--------Plastic Leaded Chip Carrier - 28-Pin PLCC PACAGE-
Pin Count--------28
Part Category--------Integrated Circuit
Package Category--------Plastic Leaded Chip Carrier
Footprint Name--------Plastic Leaded Chip Carrier - 28-Pin PLCC PACAGE-
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AD698APZ Frequently Asked Questions (FAQs)
What is the recommended PCB layout for optimal performance of the AD698APZ?
A good PCB layout for the AD698APZ involves keeping the input and output traces short and away from noise sources, using a solid ground plane, and decoupling the power supply with a 10uF capacitor.
How do I ensure accurate temperature measurement with the AD698APZ?
To ensure accurate temperature measurement, calibrate the AD698APZ using a precision temperature source, and ensure the device is thermally connected to the target temperature source. Also, consider using a thermocouple or RTD sensor for more accurate measurements.
What is the maximum cable length for the AD698APZ's analog output signal?
The maximum cable length for the AD698APZ's analog output signal depends on the specific application and noise environment. As a general rule, keep the cable length as short as possible (less than 10 feet) and use shielded cables to minimize noise pickup.
Can I use the AD698APZ in a high-vibration environment?
Yes, the AD698APZ is designed to operate in high-vibration environments. However, ensure the device is properly mounted and secured to prevent mechanical stress, and consider using a vibration-dampening material to minimize the effects of vibration.
How do I troubleshoot common issues with the AD698APZ, such as incorrect temperature readings or output signal noise?
To troubleshoot common issues with the AD698APZ, check the power supply voltage, ensure proper grounding, and verify the input and output connections. Also, consult the datasheet and application notes for troubleshooting guidelines and common pitfalls to avoid.
What is the recommended PCB layout for optimal performance of the AD698APZ?
A good PCB layout for the AD698APZ involves keeping the input and output traces short and away from noise sources, using a solid ground plane, and decoupling the power supply with a 10uF capacitor.
How do I ensure accurate temperature measurement with the AD698APZ?
To ensure accurate temperature measurement, calibrate the AD698APZ using a precision temperature source, and ensure the device is thermally connected to the target temperature source. Also, consider using a thermocouple or RTD sensor for more accurate measurements.
What is the maximum cable length for the AD698APZ's analog output signal?
The maximum cable length for the AD698APZ's analog output signal depends on the specific application and noise environment. As a general rule, keep the cable length as short as possible (less than 10 feet) and use shielded cables to minimize noise pickup.
Can I use the AD698APZ in a high-vibration environment?
Yes, the AD698APZ is designed to operate in high-vibration environments. However, ensure the device is properly mounted and secured to prevent mechanical stress, and consider using a vibration-dampening material to minimize the effects of vibration.
How do I troubleshoot common issues with the AD698APZ, such as incorrect temperature readings or output signal noise?
To troubleshoot common issues with the AD698APZ, check the power supply voltage, ensure proper grounding, and verify the input and output connections. Also, consult the datasheet and application notes for troubleshooting guidelines and common pitfalls to avoid.
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