2

1

3

C1

0.01 µF

(minimum)

OUT

VCC

R1

10 k

Ÿ

C2

680 pF

(Optional)

VCC

16

DRV5023

SLIS151G – MAY 2014 – REVISED SEPTEMBER 2016

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Product Folder Links: DRV5023

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8 Application and Implementation

NOTE

Information in the following applications sections is not part of the TI component

specification, and TI does not warrant its accuracy or completeness. TI’s customers are

responsible for determining suitability of components for their purposes. Customers should

validate and test their design implementation to confirm system functionality.

8.1 Application Information

The DRV5023 device is used in magnetic-field sensing applications.

8.2 Typical Applications

8.2.1 Standard Circuit

Figure 18. Typical Application Circuit

8.2.1.1 Design Requirements

For this design example, use the parameters listed in Table 2 as the input parameters.

Table 2. Design Parameters

DESIGN PARAMETER

REFERENCE

EXAMPLE VALUE

Supply voltage

VCC

3.2 to 3.4 V

System bandwidth

ƒBW

10 kHz

(1)

REF is not a pin on the DRV5023 device, but a REF supply-voltage pullup is required for the OUT pin; the OUT pin may be pulled up to

VCC.

8.2.1.2 Detailed Design Procedure

Table 3. External Components

COMPONENT

PIN 1

PIN 2

RECOMMENDED

C1

VCC

GND

A 0.01-µF (minimum) ceramic capacitor rated for VCC

C2

OUT

GND

Optional: Place a ceramic capacitor to GND

R1

OUT

REF(1)

Requires a resistor pullup