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High precision reflective incremental encoder Broadcom AEDR-8500-102 designed for printers copiers and scanners

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High precision reflective incremental encoder Broadcom AEDR-8500-102 designed for printers copiers and scanners

Wavelength : 630nm

Operating Temperature : -20℃~+85℃

Description : SMD-8P Reflective - Analog Output RoHS

Mfr. Part # : AEDR-8500-102

Model Number : AEDR-8500-102

Package : SMD-8P

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Product Overview

The AEDR-850X is the industry's smallest 3-channel reflective incremental encoder with digital outputs, designed for motion control applications. Its compact size (3.95 mm x 3.4 mm x 0.9562 mm) and surface mount leadless package make it ideal for miniature commercial and industrial applications where space is a critical concern. Operating over a temperature range of 20C to 85C, it offers two-channel quadrature digital outputs for direction sensing and a third channel for index digital output. The TTL-compatible outputs ensure easy integration with most signal processing circuitries, providing significant design flexibility. This encoder is suitable for high-volume applications such as close-loop stepper motors, miniature motors, printers, copiers, card readers, scanners, and projectors.

Product Attributes

Brand: Avago Technologies
Technology: Reflective Incremental Encoder
Package Type: Surface mount leadless
Moisture Sensitivity Level (MSL): 3

Technical Specifications

Specification	Parameter	Min.	Typ.	Max.	Unit	Notes
General	Encoder Dimensions (L x W x H)	3.95	3.4	0.9562	mm
	Operating Temperature	-20		85	C	Absolute
	Supply Voltage	4.5	5	5.5	V	Ripple < 100mVp-p
	Encoding Resolution	294		304	lines/inch
	Count Frequency (1x Interpolation)			55	kHz	@ 11.38 Rop codewheel
Electrical Characteristics	High Level Output Voltage (VOH)	2.4			V	IOH = -1.5 mA
	Low Level Output Voltage (VOL)			0.4	V	IOH = +1.5 mA
	Output Current per Channel (IOUT)			1.5	mA
	Rise Time (tr)		<100		ns	CL = 25pF, RL = 2.7k
	Fall Time (tf)		<100		ns	CL = 25pF, RL = 2.7k
Mechanical Characteristics	Radial Misalignment (ER)	0.2			mm
	Tangential Misalignment (ET)	0.2			mm
	Codewheel Gap (G)	0.5	1.0	1.25	mm	1.0mm nominal recommended
	Window/bar Ratio (Ww/Wb)	0.9		1.1
Interpolation Factors	SEL 4X	SEL 2X	Interpolation Factor	CPR (@ ROP = 11.38 mm)	Count Frequency
	L	L	1X	828	55 KHz
	L	H	2X	1656	110 KHz
	H	L	4X	3312	220 KHz
Index Gating Options	Model Suffix	Index Gating
	-00	Gated 90
	-10	Gated 180
	-20	Gated 360

Note: Avago Technologies encoders are not recommended for use in safety critical applications.

2410121803_Broadcom-AEDR-8500-102_C22453375.pdf

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