Electrical specifications


This section lists the recommended electrical operating conditions for the MTi-600 series module.

 

Supply voltage

 

The MTi 600-series module has a single supply pin that can be supplied with a voltage within the range specified in the table below. The MTi-680G has an additional backup voltage input for the GNSS module to support a warm start. The input supply range of this backup voltage is also specified in the table below.

 

Supply voltage specifications

Symbol

Min

Typ

Max

Unit

Description

VIN

4.5

5.0

24

V

Power input voltage

VBCKP

1.7

3.0

3.6

V

GNSS backup input voltage. Only available on MTi-680G.

 

 

 

Power consumption

The power consumption of an MTi 600-series module depends, among others, on the input voltage, sample rate and communication protocol. The table below shows some typical power consumption values for different MTi 600-series types.

 

 

Power consumption specifications

 

Typ

Unit

Conditions

MTi-630

320

mW

5V, UART, measurement mode, 400Hz, 921.6 kbps

MTi-630

350

mW

5V, RS232, measurement mode, 400Hz, 921.6 kbps

MTi-630

495

mW

24V, UART, measurement mode, 400Hz, 921.6 kbps

MTi-630

525

mW

24V, RS232, measurement mode, 400Hz, 921.6 kbps

MTi-670/680

310

mW

5V, UART, measurement mode, 400Hz, 921.6 kbps

MTi-670/680

340

mW

5V, RS232, measurement mode, 400Hz, 921.6 kbps

MTi-670/680

495

mW

24V, UART, measurement mode, 400Hz, 921.6 kbps

MTi-670/680

530

mW

24V, RS232, measurement mode, 400Hz, 921.6 kbps

MTi-680G

720

mW

5V, RS232, measurement mode, 400Hz, 921.6 kbps

MTi-680G

1000

mW

24V, RS232, measurement mode, 400Hz, 921.6 kbps

 

 

I/O pins

The I/O interface specifications are listed in the table below.

 

I/O interface specifications

I/O interface

Symbol

Min

Typ

Max

Unit

Description

CAN

VI(DIFF)(R)

-4.0

 

0.5

V

Recessive differential input voltage

-12V < V(CANH, CANL) < +12V

VI(DIFF)(D)

0.9

 

9.0

V

Dominant differential input voltage

-12V < V(CANH, CANL) < +12V

VO(DIFF)(R)

-500

0

50

mV

Recessive differential output voltage

VO(DIFF)(D)

1.3

2.0

5.0

V

Dominant differential output voltage

VO(L)(D)

0.5

1.5

2.25

V

CAN_L dominant output voltage

VO(H)(D)

2.75

3.5

4.5

V

CAN_H dominant output voltage

RS232#1

(GNSS/RTCM)

VIL

-25

 

0.6

V

Low input voltage

VIH

2.4

 

+25

V

High input voltage

VOT

±5

±5.4

 

V

Driver Output Voltage swing

UART#2

VIL

0

 

0.88

V

Low input voltage

VIH

2.29

 

3.6

V

High input voltage

VOL

0

 

0.44

V

Low output voltage

VOH

2.6

 

3.3

V

High output voltage

SYNC_IN1/

SYNC_IN2

VIL

-25

 

0.6

V

Low input voltage

VIH

2.4

 

+25

V

High input voltage

SYNC_OUT

VOL

0

 

0.44

V

Low output voltage

VOH

2.6

 

3.3

V

High output voltage

 


[1] Also applies to the GNSS (module) and RTCM (MTi-680G) ports.

[2] Not available on MTi-630R/670G/680G.

 

 

Create your own Knowledge Base