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NE5521N

Philips
Part Number NE5521N
Manufacturer Philips
Description LVDT signal conditioner
Published May 12, 2005
Detailed Description Philips Semiconductors Linear Products Product specification LVDT signal conditioner NE/SA/SE5521 DESCRIPTION The NE...
Datasheet PDF File NE5521N PDF File

NE5521N
NE5521N

Overview
Philips Semiconductors Linear Products Product specification LVDT signal conditioner NE/SA/SE5521 DESCRIPTION The NE/SA/SE5521 is a signal conditioning circuit for use with Linear Variable Differential Transformers (LVDTs) and Rotary Variable Differential Transformers (RVDTs).
The chip includes a low distortion, amplitude-stable sine wave oscillator with programmable frequency to drive the primary of the LVDT/RVDT, a synchronous demodulator to convert the LVDT/RVDT output amplitude and phase to position information, and an output amplifier to provide amplification and filtering of the demodulated signal.
PIN CONFIGURATIONS F, N Packages AMP OUT 1 +IN 2 –IN 3 LVDT IN 4 DEMOD OUT 5 SYNC 6 18 V+ 17 C T 16 V REF 15 FEEDBACK 14 OSC 13 OSC 12 V REF/2 11 R T 10 N.
C.
TOP VIEW FEATURES GND 7 N.
C.
8 N.
C.
9 • Low distortion • Single supply 5V to 20V, or dual supply ±2.
5V to ±10V • Oscillator frequency 1kHz to 20kHz • Capable of ratiometric operation • Low power consumption (182mV typ) APPLICATIONS D1 Package AMP OUT 1 +IN 2 –IN 3 LVDT IN 4 DEMOD OUT 5 SYNC 6 GND 7 N.
C.
8 TOP VIEW NOTE: 1.
SOL — released in large SO package only.
16 V+ 15 CT 14 V REF 13 FEEDBACK 12 OSC 11 OSC 10 VREF/2 9 RT • LVDT signal conditioning • RVDT signal conditioning • LPDT signal conditioning • Bridge circuits ORDERING INFORMATION DESCRIPTION 18-Pin Plastic Dual In-Line Package (DIP) 16-Pin Small Outline Large (SOL) Package 18-Pin Plastic Dual In-Line Package (DIP) 18-Pin Ceramic Dual In-Line Package (CERDIP) 16-Pin Ceramic Dual In-Line Package (CERDIP) TEMPERATURE RANGE 0 to +70°C 0 to +70°C –40 to +85°C –55 to +125°C –40 to +85°C ORDER CODE NE5521N NE5521D SA5521N SE5521F SA5521D DWG # 0407A 0171B 0407A 0583A 0582B ABSOLUTE MAXIMUM RATINGS SYMBOL VCC Supply voltage Split supply voltage Operating temperature range NE5521 SA5521 SE5521 Storage temperature range Power dissipation1 PARAMETER RATING +20 ±10 0 to 70 –40 to +85 –55 to +125 –65 to +125 910 UNIT V V °C °C °C °C mW TA TSTG PD N...


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