Resolver to Digital Converters

A resolver to digital converter is an electrical type device that acts as a converter of resolver sensors signal and outputs them as a digital value that corresponds to the rotating shaft angle and velocity.

How does a resolver to digital converter work?

This particular type of converter operates by using sine and cosine signals to decode the angular position and rotation speed of the motor shaft through the interface between a resolver and a microprocessor.

These converters perform calculations of velocity through the utilisation of a Type-II tracking loop that makes use of a second-order filter that is designed to ensure that steady-state errors are zero for constant velocity signals. The converter will then sample both inputs to output digital data to the tracking loop.

Some of these types of converters also feature A fault detection sensor which circuit can sense a loss of resolver signals, out-of-range input signals, input signal mismatch, or loss of position tracking.

Where are resolver to digital converters used?

These converters are widely used in noisy environments that induce high-frequency noise into sine and cosine lines such as the automotive industry and industrial sectors.

Resolver to digital converters are used in applications such as;

Encoder emulation

Integrated starter generators/alternators

Automotive motion sensing and control

DC and ac servo motor control


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Description Prix Resolution Accuracy Input Signal Type Digital Interface Type Typical Tracking Rate Typical Reference Frequency Velocity Output Mounting Type Package Type Pin Count Power Supply Type Typical Single Supply Voltage Typical Dual Supply Voltage Dimensions
N° de stock RS 412-545
Référence fabricantAD2S90APZ
51,84 €
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12 bit ±10.6arcmin Differential Serial 500 rps 20kHz Yes Surface Mount PLCC 20 Dual - ±5V 9.04 x 9.04 x 3.68mm
N° de stock RS 708-9457
Référence fabricantAD2S1210ASTZ
16,52 €
Each
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16 bit ±10arcmin Differential Parallel, Serial 156.25 rps 20kHz Yes Surface Mount LQFP 48 Single 5 V - 7 x 7 x 1.4mm
N° de stock RS 819-7360
Référence fabricantAD2S1210CSTZ
18,44 €
Each
Unité
16 bit ±2.5arcmin Differential Parallel, Serial 156.25 rps 20kHz Yes Surface Mount LQFP 48 Single 4.75 → 5.25 V - 7.2 x 7.2 x 1.45mm
N° de stock RS 204-7631
Référence fabricantRAA3064002GFP#AA0
6,17 €
Each
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8 bit - Differential Serial - - - - LQFP 48 - - - -
N° de stock RS 708-9454
Référence fabricantAD2S1205YSTZ
19,50 €
Each
Unité
12 bit ±11arcmin Differential Parallel, Serial 750 rps 20kHz Yes Surface Mount LQFP 44 Single 5 V - 10 x 10 x 1.4mm
N° de stock RS 538-5514
Référence fabricantAD2S1200WSTZ
19,12 €
Each
Unité
12 bit ±22arcmin Differential Parallel, Serial 1000 rps 20kHz Yes Surface Mount LQFP 44 Single 5 V - 10 x 10 x 1.4mm
N° de stock RS 538-5520
Référence fabricantAD2S1200YSTZ
32,66 €
Each
Unité
12 bit ±11arcmin Differential Parallel, Serial 1000 rps 20kHz Yes Surface Mount LQFP 44 Single 5 V - 10 x 10 x 1.4mm
N° de stock RS 708-9451
Référence fabricantAD2S1210BSTZ
17,35 €
Each
Unité
16 bit ±5arcmin Differential Parallel, Serial 156.25 rps 20kHz Yes Surface Mount LQFP 48 Single 5 V - 7 x 7 x 1.4mm
N° de stock RS 759-0648
Référence fabricantAD2S1210DSTZ
21,27 €
Each
Unité
- - - - 3125 rps - - Surface Mount LQFP 48 - - - 7.2 x 7.2 x 1.45mm
N° de stock RS 427-193
Référence fabricantAD2S82AHPZ
99,08 €
Each
Unité
16 bit ±22arcmin Single Ended Parallel 16.25 rps 20kHz Yes Surface Mount PLCC 44 Dual - ±12V 16.66 x 16.66 x 3.68mm