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Document overview
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Technical content
Features
Compact size Ø22 × 10.9 mm 5V operating voltage –20°C to +100°C operating temperature Incremental A, B, and Index channels TTL and RS422 compatible differential output 360 cpr to 2048 cpr Shaft diameter from 2 mm up to ¼" Spatial play tolerance of Ø0.15 mm Allows motor shaft axial play of ±0.25 mm Hassles-free installation Rohs compliance
Applications
Industrial automation and robotic Industrial sewing and textiles machinery Stepper/servo motor Factory automation NOTE: This product is not specifically designed or manufactured for use in any specific device. Customers are solely responsible for determining the suitability of this product for its intended application and solely liable for all loss, damage, expense, or liability in connection with such use. AS22 Series Miniature Kit Encoder
Broadcom AS22-Kit-Encoder-DS102 AS22 Series Data Sheet Miniature Kit Encoder Package Dimensions Mounting Considerations All dimensions are in mm. NOTE: 1. No maximum shaft length limit for cover with hole option. Pin Configuration NOTE: Mating connector is JST Socket 08SR-3S, wire AWG #30 or JST SHR-08V-S-B/SHR-08V-S with contact SSH-003T-P0.2-H for wire AWG#32~28 . Pin Differential Single Ended (TTL) 1G N D G N D 2C h A + C h A + 3C h A – N A
4 Vcc Vcc
a a. Only applicable to 3 channel options. Ch I+ Ch I+ 8a Ch I– NA
Broadcom AS22-Kit-Encoder-DS102 AS22 Series Data Sheet Miniature Kit Encoder Absolute Maximum Ratings Output Waveform Parameter Storage Temperature, TS –40°C to +100°C Operating Temperature, TA –20°C to +100°C Supply Voltage, VCC –0.5V to +7V Output Voltage, VO –0.5V to VCC Output Current per Channel, IOUT (single ended) ±1.5 mA Output Current per Channel, IOUT (differential line drivers) ±20 mA Vibration (JEDEC JESD22-B103) 20G, 20 Hz to 2000 Hz Mechanical Shock (JEDEC JESD22-B110) 1500G (peak), 0.5-ms pulse duration, half sine Relative Humidity 60°C, 90%RH ESD, IEC 61000-4-2, Air discharge (TTL and differential) ±15 kV P S1 S2 S3 S4 I I Index of 90 e° option Index of 180 e° option A B Index Index Amplitude Viewing direction Ch A leads Ch B for clockwise direction, viewed from cover side of the encoder
Broadcom AS22-Kit-Encoder-DS102 AS22 Series Data Sheet Miniature Kit Encoder Recommended Operating Conditions Encoding Characteristics Encoding characteristics over recommended operating range and recommended mounting tolerances unless otherwise specified. Single-Ended Electrical Characteristics Electrical characteristics over recommended operating condition at 25°C. Parameter Sym. Min. Typ. Max. Unit Notes Ambient Temperature T A –20 — +100 °C Supply Voltage V CC 4.5 5.0 5.5 V Ripple < 100 mVp-p Max RPM — — 4800k/cpr 360 cpr to 512 cpr 9600k/cpr 1000 cpr and 1024 cpr 19200k/cpr 2000 cpr and 2048 cpr Parameter Sym. Min. Typ. Max. Unit Notes Pulse Width Error ΔP — 10 20 e 360 cpr to 512 cpr —1 5 2 5 e 1000 cpr and 1024 cpr —2 0 4 5 e 2000 cpr and 2048 cpr Logic State Width Error ΔS — 5 15 e 360 cpr to 512 cpr —1 0 2 5 e 1000 cpr and 1024 cpr —1 5 4 0 e 2000 cpr and 2048 cpr Index Width Error ΔI — 5 40 e1 8 0 e index —5 1 5 e9 0 e index Parameter Sym. Min. Typ. Max. Unit Notes Supply Current Icc — 23 35 mA No load High Level Output Voltage V OH 2.4 — — V I OH = –1.5mA Low Level Output Voltage V OL —— 0 . 4 V I OL = +1.5mA Output Current per Channel Io — — 1.5 mA Rise Time t r — <100 — ns C L= 25 pF RL= 2.7 kΩFall Time t f — <100 — ns Rise Time t r — <65 — ns No load Fall Time t f —< 9 0 — n s
Broadcom AS22-Kit-Encoder-DS102 AS22 Series Data Sheet Miniature Kit Encoder Differential Electrical Characteristics Electrical characteristics over recommended operating condition at 25°C. Mechanical Characteristics Parameter Sym. Min. Typ. Max. Unit Notes Supply Current I CC — 35 60 mA No load High Level Output Voltage V OH 2.4 — — V I OH = –20 mA Low Level Output Voltage V OL —— 0 . 4V I OL = +20 mA Output Current per Channel I O ——2 0 m A Rise Time t r — <220 — ns C L= 14 pF RL= 2.7 kΩFall Time t f — <150 — ns Rise Time t r — <35 — ns No load Fall Time t f —< 2 5— n s Parameter Remark Dimension Tolerance Unit Code Wheel Shaft Diameter 2, 3, 4, 5, 6 g6 mm Max Shaft Lengtha a. No limit for hole in cover option. Including shaft axial play 10(0.395) — mm Min Shaft Length End of shaft chamfer 8.0(0.315) — mm Shaft Axial Play — ±0.25 (±0.01) mm (in.) Radial Play Including Shaft TIR — Ø0.15(0.006) mm (in.) Max Moment of Inertia for Code Wheel Assembly 81.5 — g.mm Hub Set Screw Torque 0.10 to 0.13 — N.m Mounting Screw Torque (2x M2.5) 0.10 to 0.23 — N.m
Broadcom AS22-Kit-Encoder-DS102 AS22 Series Data Sheet Miniature Kit Encoder
Ordering Information
01 2mm* Output Type Resolution CPR 02 3mm* 2 2 Channel - Voltage (TTL) Temperature / Index Width G 360 03 1/8 in. 3 2 Channel - Differential H 400* 04 5/32 in.* 6 3 Channel - Voltage (TTL) A 500 05 3/16 in.* 7 3 Channel - Differential I 512 06 1/4 in. B 1000 11 4mm* Through Hole J 1024 14 5mm
0 T 2000 12 6mm
2 Hole in Cover U 2048
- Check with Factory for availability None 4 - 180 ° index 1 - 90 ° index 5 - No Index
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