Changsha Purple Horn E-Commerce Co., Ltd.
| Voltage - Supply | 3.5V~24V |
| Description | SIP-4 Switches (Solid State) RoHS |
| Mfr. Part # | A1233LK-T |
| Package | SIP-4 |
| Model Number | A1233LK-T |
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Product Specification
| Voltage - Supply | 3.5V~24V | Description | SIP-4 Switches (Solid State) RoHS |
| Mfr. Part # | A1233LK-T | Package | SIP-4 |
| Model Number | A1233LK-T |
The A1233 is a dual-channel Hall-effect sensor IC designed for speed and direction sensing applications using encoder ring-magnet targets. It provides output signals indicating target rotation speed and direction. The sensor features photolithographically aligned Hall elements with precise displacement, ensuring accurate detection in fine-pitch applications. Its high sensitivity and temperature stability make it suitable for demanding automotive and industrial environments. The device operates from a wide voltage range (3.5 to 24 V) due to an on-chip regulator and utilizes Allegro's high-frequency chopper stabilization to cancel offsets and ensure stable operation.
| Characteristic | Symbol | Test Conditions | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|---|---|
| Electrical Characteristics | ||||||
| Supply Voltage (Operating) | VCC | TA 150C | 3.5 | 24 | V | |
| Output Leakage Current | IOUTPUT(OFF) | All outputs, VOUT VCC(max) | < 1 | 10 | A | |
| Supply Current | ICC(OFF), ICC(ON) | B < BRP(A) and B < BRP(B) , or B > BOP(A) and B > BOP(B) | 2.5 | 4.5 | 8.0 | mA |
| Low Output Voltage | VOUTPUT(ON) | All outputs, Output = On, IOUTPUT(SINK) = 20 mA | 160 | 500 | mV | |
| Output Current Limit | IOUTLIM | All outputs | 30 | 70 | mA | |
| Chopping Frequency | fC | 520 | kHz | |||
| Output Rise Time | tr | CLOAD = 20 pF, RLOAD = 820 | 0.3 | s | ||
| Output Fall Time | tf | CLOAD = 20 pF, RLOAD = 820 | 0.2 | s | ||
| Speed Output Delay | tDIRSPD | Delay between direction output changing and speed output transition, VCC = 5 V, CLOAD = 12 pF, RLOAD = 820 , RLOAD connected to 5 V | 2 | 5 | s | |
| Power-On Time | tON | B > BOP + 10 G or B < BRP 10 G | 10 | 35 | s | |
| Power-Off Time | tOFF | B > BOP + 10 G or B < BRP 10 G | 10 | 36 | s | |
| Transient Protection Characteristics | ||||||
| Supply Zener Voltage | VZ | ICC = ICC(max) + 3 mA, TA = 25C | 28 | V | ||
| Supply Zener Current | IZ | VS = 28 V | 11 | mA | ||
| Reverse-Battery Current | IRCC | VRCC = 18 V, TJ < TJ(max) | 2 | 15 | mA | |
| Undervoltage Lockout | VUVLO | 3.4 | V | |||
| Magnetic Characteristics | ||||||
| Operate Point (Channel A and Channel B) | BOP | B(A) > BOP(A), B(B) > BOP(B) | 35 | 15 | 55 | G |
| Release Point (Channel A and Channel B) | BRP | B(A) < BOP(A), B(B) < BOP(B) | 55 | 15 | 35 | G |
| Hysteresis (Channel A and Channel B) | Bhys | BOP BRP | 10 | 30 | 60 | G |
| Operate Symmetry | SYMOP(AB) | BOP(A) BOP(B) | 50 | 50 | G | |
| Release Symmetry | SYMRP(AB) | BRP(A) BRP(B) | 50 | 50 | G | |
| Thermal Characteristics | ||||||
| Package K Thermal Resistance | RJA | Single-sided PCB with copper limited to solder pads | 177 | C/W | ||
| Package L Thermal Resistance | RJA | Single-sided PCB with copper limited to solder pads | 140 | C/W | ||
| Package L Thermal Resistance | RJA | 4-layer PCB based on JEDEC standard | 80 | C/W | ||
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer
Year Established:
2009
Employee Number:
300~500
Ecer Certification：
Verified Supplier
Changsha Purple Horn E-Commerce Co., Ltd.. is a professional company focus on integrated circuit ic business. Purple Horn will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture. Founded in 2009, Our compa... Changsha Purple Horn E-Commerce Co., Ltd.. is a professional company focus on integrated circuit ic business. Purple Horn will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture. Founded in 2009, Our compa...
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