ACS70310 datasheet(17/27 Pages) ALLEGRO

17 / 27 page

Very High Precision, Programmable Linear Hall-Effect Sensor IC

with Reverse Battery Protection and High-Bandwidth (240 kHz)

Analog Output for Core-Based Current Sensing

ACS70310

Allegro MicroSystems

955 Perimeter Road

Manchester, NH 03103-3353 U.S.A.

www.allegromicro.com

Table 1: Programming Parameters, CBYPASS = 0.1 µF, VCC = 5 V

Characteristics

Symbol

Note

Min.

Typ.

Max.

Unit

Program Enable Voltage (High)

VprgH

Program enable signal high level on VCC

–

9.2

–

Program Enable Voltage (Low)

VprgL

Program enable signal low level on VCC

–

6.5

–

Output Enable Delay

External capacitance (CLX) on VOUT may

increase the Output Enable Delay

–

125

–

µs

Program Time Delay

–

µs

Program Write Delay

–

Manchester High Voltage

VMAN(H) Data pulses on VOUT

VCC

Manchester Low Voltage

VMAN(L)

Data pulses on VOUT

–

Bit Rate

tBITR

Communication rate

100

kbps

Bit Time

tBIT

Data bit pulse width at 30 kbps

–

(33)

–

µs

Access Code Timeout

tACC

VOUT (Output)

VOUT (Input)

External Control

VCC

prgH

High Z

Access Code

High Z

Normal

Output

Normal

Output

prgL

5 V

0 V

Figure 14: Write Access Code

Figure 15: Write Volatile Memory

VOUT (Output)

VOUT (Input)

External Control

VCC

prgH

High Z

Normal

Output

Normal

Output

prgL

5 V

0 V

Data

Write

Command

Figure 16: Write Non-Volatile Memory

VOUT (Output)

VOUT (Input)

External Control

VCC

prgH

High Z

Normal

Output

Normal

Output

prgL

5 V

0 V

Data

Write

Command

VCC

Figure 17: Read

VOUT (Output)

VOUT (Input)

External Control

VCC

prgH

High Z

Normal

Output

Normal

Output

prgL

5 V

0 V

Data

Read

Command

VCC

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