Ac Adapter Specifications; Docking Options; Port And Connector Specifications - Dell Latitude 7280 Owner's Manual

AC adapter specifications

Feature Specification
Type 7.4 mm Barrel Type 65 W or 90 W
Input voltage 100 V AC to 240 V AC
Input current— 1.7 A / A
maximum
Input frequency 50 Hz to 60 Hz
Output current 3.34 A and 4.62 A
Rated output 19.5 V DC
voltage
Weight
Dimensions 22 x 66 x 106 mm (65 W) and 22 x 66 x 130 (90 W)
Temperature 0°C to 40°C (32°F to 104°F)
range—
Operating
Temperature –40°C to 70°C (–40°F to 158°F)
range—Non-
Operating

Docking options

NOTE: Docking stations are sold separately.
Options ● Dell Dock WD15
● Dell Dock Stand DS1000
● Dell Thunderbolt Dock TB16

Port and connector specifications

Table 5. Temperature specifications
Feature
Audio
Network adapter
52 System specifications
NOTE: The system is shipped with 65 W adapter and also supports 90 W adapter for fast charging.
Specifications
Microphone-in, stereo headphones, and headset combo
connectorRealtek ALC3246 ControllerStereo conversion: 24-
bit (analog-to-digital and digital-to-analog)Internal interface -
high-definition audio codecExternal interface - microphone-in
and stereo headphones/speakers universal connector
Speakers: Power: 2X2 Wrms
Internal speaker amplifier: Two watts per channel
Internal microphone: Digital microphone (dual microphone with
camera)
No volume control buttons
Support hot-key keyboard button
One RJ-45 connector