ADIS16251 Просмотр технического описания (PDF) - Analog Devices

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производитель

ADIS16251

Programmable Low Power Gyroscope

Analog Devices 

ADIS16251

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

VREF COM COM VCC VCC

SCLK

DOUT

DIN

CS

DIO1

20

1

2

19 18 17

ADIS16251

TOP VIEW

(Not To Scale)

16

15

14

3

13

POSITIVE OUTPUT

4

ROTATIONAL

12

DIRECTION

5 DNC = DO NOT CONNECT 11

6 7 8 9 10

FILT

RATE

AUX

ADC

AUX

DAC

DNC

DIO2 RST DNC DNC DNC

Figure 5. Pin Configuration

Table 4. Pin Function Descriptions

Pin No.

Mnemonic Type1

1

SCLK

I

2

DOUT

O

3

DIN

I

4

CS

I

5, 6

DIO1, DIO2 I/O

7

RST

I

8, 9, 10, 11 DNC

–

12

AUX DAC O

13

AUX ADC I

14

RATE

O

15

FILT

I

16, 17

VCC

S

18, 19

COM

S

20

VREF

O

Description

SPI Serial Clock.

SPI Data Output.

SPI Data Input.

SPI Chip Select, Active Low.

Multifunction Digital Input/Outputs.

Reset, Active Low. This resets the sensor signal conditioning circuit and initiates a start-up sequence.

Do Not Connect.

Auxiliary DAC Analog Output Voltage.

Auxiliary ADC Analog Input Voltage.

Analog Rate Signal Output (Uncalibrated).

Analog Amplifier Summing Junction. This is used for setting the analog bandwidth. See the Analog

Bandwidth section for more details.

5.0 V Power Supply.

Common. Reference point for all circuitry in the ADIS16251.

Precision Reference Output.

1 S = supply; O = output; I = input.

RECOMMENDED LAYOUT

3.800

8×

5.0865

8×

0.773

16×

10.173 7.600

2×

4×

0.500

20×

1.127

20×

11mm × 11mm STACKED LGA PACKAGE

Figure 6. Recommended Pad Layout (Units in Millimeters)

Rev. A | Page 7 of 7

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