ATSENSE RDC-100 | Denkei Corporation Americas

High-Accuracy Resolver Amplifier RDC-100

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The ATSENSE RDC-100 is a resolver measurement amplifier optimized for precise angle and velocity detection.
By supplying excitation signals to an amplitude modulation resolver and converting the returned sine and cosine signals, it delivers ABZ phase digital outputs and proportional analog voltages.

Using a 16-bit RDC IC, the RDC-100 achieves angular accuracy of ±0.08° typical, supporting up to 20,000 r/min. Its compatibility with various resolver types, selectable resolution, and USB connectivity make it an ideal tool for motion control, automotive, and industrial R&D requiring accurate resolver signal processing.

Resolver measurement amplifier

Model:

RDC-100

Maker:

ATSENSE

Features

●Eliminates the complexity of using an R/D converter IC
●Analog voltage output proportional to angle and velocity (angle:0～10V, rotation velocity:±10V)
●ABZ phase outputs at TTL level
●Compatible for various amplitude modulation type resolvers
(transformer ratio:0.286 or 0.5, input impedance:about 200Ω)

Specifications

resolver
type	amplitude modulation type
transformer ratio	0.286 or 0.5　(selectable by mechanical switch)
input impedance	about 100～200Ω
resolver output signal (excitation signal)
signal	sine wave
frequency	2 – 20kHz
voltage (transformer ratio 0.286)	differential 11.4Vp-p
voltage (transformer ratio 0.5)	differential 6.2Vp-p/td>
output current	200mA maximum
resolver input signal (sin, cos modulation signal)
voltage limit	differential 2.3～4.0Vp-p
current limit	8.25μA
input impedance	485kΩ
resolver measurement (RDC specifications)
angular resolution	electable from 10,12,14,16bit
angle accuracy (arc min)	±5arc min (Typical), ±10arc min(Max)
angle accuracy	±0.08°(Typical)，±0.16°(Max)
velocity resolution	electable from 10,12,14,16bit
acceleration error	30 arc min
filter	common mode filter
digital output (ABZ phase signal)
voltage	0-5V
resolution	selectable from 10, 12, 14 bit for electrical angle
pulse rate	selectable from 256, 1024, 4096 p/rev for mechanical angle
analog output
angle voltage	0-10V (0-360°)
rotation speed voltage	±10V (±1～20000r/min)
rotation range	0～20000 r/min (resolution dependent)
delay time	5 – 12μs
general specifications
PC interface	USB (USB-serial bridge)
insulation specification	power supply – ground ? each GND
power supply	DC12V　(10 – 18V)
body case	aluminum case
external dimensions	W151×D150×H61 mm
weight	about 640g
operating temperature range	0～40℃ (no condensation)

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