Surface mount optical encoder Broadcom AEDR-8000-1K2 with lead free package and integrated photo detecting circuitry

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Product Description

Product Overview

The AEDR-8000 Encoder series is a reflective surface mount optical encoder designed for motion sensing in various applications. It offers a direct replacement for the HEDR-8000 series and provides single-channel incremental and two-channel quadrature outputs for direction sensing. With a single 5V supply and TTL-compatible output, it integrates an LED light source and photo-detecting circuitry in a compact package, reducing design time and ideal for high-volume, space-constrained products.

Product Attributes

Brand: AEDR
Technology: Reflective
Package Type: Surface mount small outline leadless package
Certifications: Lead-free package

Technical Specifications

Parameter	Symbol	Typical	Maximum	Unit	Notes
Absolute Maximum Ratings
Storage Temperature	TS		-40 to 85	C
Operating Temperature	TA		-20 to 85	C
Supply Voltage	VCC		-0.5 to 7	V
Output Voltage	VO		-0.5 to VCC	V
Output Current per Channel	IOUT		-1.0 to 8	mA
Recommended Operating Conditions
Temperature	TA	0	85	C
Supply Voltage	VCC	4.5	5.5	V	Ripple < 100 mVp-p
LED Current	ILED	13	18	mA	See note 1
Load Capacitance	CL		100	pF	2.7 k Pull-Up
Count Frequency	f		30	kHz	See note 2
Radial Misalignment	ER		0.38	mm (in.)	(0.015)
Tangential Misalignment	ET		0.38	mm (in.)	(0.015)
Angular Misalignment	EA	0	1.5	deg.
Codewheel/Strip Tilt	CT	0	1	deg.
Codewheel/Strip Gap	G	1.0 (0.04)	2.5 (0.10)	mm (in.)
Encoding Characteristics
Pulse Width Error (Ch. A, Ch. B)	DP	15, 25	55, 75	e	AEDR-8000-K, AEDR-8100-P, AEDR-8100-Q
Phase Error	Df	10	60	e	AEDR-8000-K, AEDR-8100-P, AEDR-8100-Q
Electrical Characteristics
Detector Supply Current	Icc	2.2	5.0	mA
High Level Output Voltage	VOH	2.4		V	IOH = -0.2 mA
Low Level Output Voltage	VOL		0.4	V	IOL = 8.0 mA
Rise Time	tr		500	ns	CL = 25 pF
Fall Time	tf		100	ns	RL = 2.7 k
Recommended Codewheel and Codestrip Characteristics
Window/Bar Ratio	Ww/Wb	0.9	1.1
Window/Bar Length	LW	1.80 (0.071)	2.31 (0.091)	mm (inches)
Specular Reflectance (Reflective area)	Rf	60	85	%	See note 1
Specular Reflectance (Nonreflective area)	Rf		10	%
Encoding Resolution (lines/inch or lines/mm)		2.95 (75) AEDR-80X0-K 5.91 (150) AEDR-8100-P 7.09 (180) AEDR-8100-Q
Optical Radius	Rop	11		mm