AD2S90APZ

Semiconductors - ICs

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> Analog-to-Digital Converters - ADC

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Series Information for AD2S90APZ - Analog Devices

Features

  • feature
    Complete Monolithic Resolver-to-Digital Converter Incremental Encoder Emulation (1024-Line) Absolute Serial Data (12-Bit) Differential Inputs 12-Bit Resolution Industrial Temperature Range 20-Lead PLCC Low Power (50 mW)

Description

12BIT R/D CONVERTER 50MW 20-PLCC

The AD2S90 is a complete 12-bit resolution tracking resolver- to-digital converter. No external components are required to operate the device. The converter accepts 2 V rms ± 10% input signals in the range 3 kHz–20 kHz on the SIN, COS and REF inputs. A Type II servo loop is employed to track the inputs and convert the input SIN and COS information into a digital representation of the input angle. The bandwidth of the converter is set internally at 1 kHz within the tolerances of the device. The guaranteed maxi- mum tracking rate is 500 rps. Angular position output information is available in two forms, absolute serial binary and incremental A quad B. The absolute serial binary output is 12-bit (1 in 4096). The data output pin is high impedance when Chip Select CS is logic HI. This allows the connection of multiple converters onto a com- mon bus. Absolute angular information in serial pure binary form is accessed by CS followed by the application of an exter- nal clock (SCLK) with a maximum rate of 2 MHz. The encoder emulation outputs A, B and NM continuously produce signals equivalent to a 1024 line encoder. When de- coded this corresponds to 12 bits of resolution. Three common north marker pulsewidths are selected via a single pin (NMC). An analog velocity output signal provides a representation of velocity from a rotating resolver shaft traveling in either a clock- wise or counterclockwise direction. The AD2S90 operates on ±5 V dc ± 5% power supplies and is fabricated on Analog Devices’ Linear Compatible CMOS pro- cess (LC2 MOS). LC2 MOS is a mixed technology process that combines precision bipolar circuits with low power CMOS logic circuits.

Specifications

Resolution (Bits):
12bit
Sampling Rate:
-
Input Channel Type:
Differential
Data Interface:
Serial
Supply Voltage Type:
Dual (+/-)
Supply Voltage Min:
-4.75V
Supply Voltage Max:
5.25V
ADC / DAC Case Style:
LCC
No. of Pins:
20Pins
Operating Temperature Min:
-40°C
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (07-Jul-2017)
Base Number:
2
IC Case Style:
PLCC
Operating Temperature Range:
-40°C to +85°C
Supply Current:
10mA
Supply Voltage Range:
± 4.75V to ± 5.25V
Supply Voltage Range - Analogue:
± 4.75V to ± 5.25V
Termination Type:
Surface Mount Device

Alternate Descriptions

RS Components
12-Bit Resolver-Digital Conv AD2S90APZ
Newark Electronics
Analogue to Digital Converter, 12 bit, Dual (+/-), -4.75 V, 5.25 V, LCC RoHS Compliant: Yes
Distrelec
R/D converter IC [Analog Devices] AD2S90APZ R/D converter IC
Richardson RFPD
CONVERTER - ADC
RS Components UK
12-Bit Resolver-Digital Conv AD2S90APZ
RS Components DE
Resolver/Digital Wandler AD2S90APZ, 12 bit- Differential-Eingang Seriell 500 rps PLCC, 20-Pin Genauigkeit : ±10.6arcmin Referenzfrequenz : 20kHz Drehzahl Ausgang : Ja Montage-Typ : SMD Stromversorgungs-Typ : Dual Versorgungsspannung bipolar typ. : ±5V Abmessungen : 9.04 x 9.04 x 3.68mm Länge : 9.04mm, Analog Devices
RS Components HK
12-Bit Resolver-Digital Conv AD2S90APZ
RS Components JP
半導体,モータコントローラ
RS Components FR
Convertisseur 12bits résolveur numériq
RS Components CN
12-Bit Resolver-Digital Conv AD2S90APZ
RS Components ES
Conv Resolutor-Digital12-Bit AD2S90APZ
RS Components NL
12-Bit Resolver-Digital Conv AD2S90APZ
RS Components NO
12-Bit Resolver-Digital Conv AD2S90APZ
RS Components US
12-Bit Resolver-Digital Conv AD2S90APZ
RS Components SG
12-Bit Resolver-Digital Conv AD2S90APZ
RS Components TW
12-Bit Resolver-Digital Conv AD2S90APZ