Sierra Wireless AirLink FXT Series Especificaciones descargar pdf (Pagina 35)

WA_DEV_FEX20_PTS_004 Rev 001 June 30, 2010 35

Expansion Card Product Technical

Specification

Signals and Indicators

Table 31: Electrical Characteristics of the Analog to Digital Converter

Parameter

Minimum

Typical

Maximum

Unit

Resolution

bits

Sampling rate

138*

sps

Input signal range

INL (Integral non linearity)

DNL (Differential non linearity)

2.5

Input impedance

AUX-ADC



* Sampling rate only for AUX-ADC and Sierra Wireless Software Suite application

5.6. Digital to Analog Converter

One Digital to Analog Converter output is available from the Expansion Card. The converter is an 8-bit

resolution DAC ranging from 0 to 2V.

5.6.1. Pin Description

Refer to the following table for the pin description of the digital to analog converter.

Table 32: Digital to Analog Pin Description

Pin Number

Signal

I/O

I/O Type

Description

AUX-DAC

Analog

D/A converter

Note: This output assumes a typical external load of 2kΩ and 50pF in parallel to GND.

5.6.2. Electrical Characteristics

Refer to the following table for the electrical characteristics of the digital to analog converter.

Table 33: Electrical Characteristics of the Digital to Analog Converter

Parameter

Minimum

Typical

Maximum

Unit

Resolution

bits

Output signal range

2.3

Output voltage after reset

1.147

INL (Integral non linearity)

-5

LSB

DNL (Differential non linearity)

-1

LSB

1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 59 60

Comentarios a estos manuales

Sin comentarios

Sierra Wireless AirLink FXT Series Especificaciones Pagina 35

Comentarios a estos manuales

Relacionado con productos y manuales para Gateways / Controladores Sierra Wireless AirLink FXT Series