Philips Semiconductors LVDT Signal Conditioner NE SA SE5521 Data Sheet
Summary
Philips Semiconductors technical specification for NE/SA/SE5521 LVDT (Linear Variable Differential Transformer) signal conditioner. This datasheet provides detailed information on pin configurations, electrical characteristics, operating parameters, and application circuits. Essential for engineers designing precision measurement systems and industrial automation equipment requiring accurate position sensing and signal conditioning.
Page 1 Text Content
查询NE5521供应商 Philips Semiconductors Linear Products Product specification
NE/SA/SE5521LVDT signal conditioner
DESCRIPTION PIN CONFIGURATIONS The NE/SA/SE5521 is a signal conditioning circuit for use with
F, N Packages
Linear Variable Differential Transformers (LVDTs) and Rotary Variable Differential Transformers (RVDTs). The chip includes a low
AMP OUT V+
distortion, amplitude-stable sine wave oscillator with programmable
+IN CT
frequency to drive the primary of the LVDT/RVDT, a synchronous
demodulator to convert the LVDT/RVDT output amplitude and phase –IN VREF
to position information, and an output amplifier to provide LVDT IN FEEDBACK amplification and filtering of the demodulated signal.
DEMOD OUT OSC
SYNC OSC
GND VREF/2
FEATURES
N.C. RT
Low distortion
Single supply 5V to 20V, or dual supply ±2.5V to ±10V
TOP VIEW
Oscillator frequency 1k Hz to 20k Hz Capable of ratiometric operation D1 Package Low power consumption (182m V typ)
AMP OUT V+
+IN CT
APPLICATIONS –IN VREF LVDT IN FEEDBACK
LVDT signal conditioning
DEMOD OUT OSC
RVDT signal conditioning
SYNC OSC
LPDT signal conditioning
GND VREF/2
Bridge circuits N.C. RT
TOP VIEW
NOTE: 1. SOL — released in large SO package only.
ORDERING INFORMATION
DESCRIPTION TEMPERATURE RANGE ORDER CODE DWG #
18-Pin Plastic Dual In-Line Package (DIP) 0 to +70°C NE5521N 0407A 16-Pin Small Outline Large (SOL) Package 0 to +70°C NE5521D 0171B 18-Pin Plastic Dual In-Line Package (DIP) –40 to +85°C SA5521N 0407A 18-Pin Ceramic Dual In-Line Package (CERDIP) –55 to +125°C SE5521F 0583A 16-Pin Ceramic Dual In-Line Package (CERDIP) –40 to +85°C SA5521D 0582B
ABSOLUTE MAXIMUM RATINGS SYMBOL PARAMETER RATING UNIT VCC Supply voltage +20
Split supply voltage ±10 Operating temperature range NE5521 0 to 70 °C
SA5521 –40 to +85 °C SE5521 –55 to +125 °C
TSTG Storage temperature range –65 to +125 °C PD Power dissipation1 m W NOTES: 1. For derating, see typical power dissipation versus load curves (Figure 1).
901August 31, 1994 853-0043 13721
Page Summary Contents For Philips Semiconductors LVDT Signal Conditioner NE SA SE5521 Data Sheet
Manual Details
| Brand | Philips |
|---|---|
| Pages | 6 |
| File Size | 43.02 KB |
| Published | June 18, 2026 |
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Frequently Asked Questions
What types of sensors is the NE/SA/SE5521 used with?
It is a signal conditioning circuit for Linear Variable Differential Transformers (LVDTs) and Rotary Variable Differential Transformers (RVDTs).
How does the device output position information?
It uses a synchronous demodulator to convert the LVDT/RVDT output amplitude and phase into usable V REF/2 position information.
What is the typical power consumption?
The low power consumption is listed as 182mV (typical).
What temperature ranges are supported by the models?
The NE5521 supports 0 to +70°C, while SE5521 handles –55 to +125°C.