HP ProBook 645 G1 Overview page 37

QuickSpecs
Technical Specifications
Hardware
Audio Output Quality
Integrated Stereo
Speakers
POWER
HP 65W Smart AC Adapter Dimensions
Implementation
Function Key
Volume Controls
Full Duplex
Microphone In
Headphone/Line Out
Integrated Microphone
Frequency Response
Signal to Noise Ratio
Total Harmonic Distortion 0.01%
Noise Floor
Play/Record Sampling
Rate(s)
DAC
ADC
Power Rating
Impedance
Weight
Input
Output
Connector
Environmental Design
DA - 14689 North America — Version 8 — February 21, 2014
IDT 92HD91
Volume up, volume down, and mute
Yes
Stereo
Stereo
Yes, dual digital microphone array when equipped with optional webcam
20 Hz - 20 kHz
>85 dB
-110 dB
8 kHz - 48kHz
16, 20 or 24-bit
16 or 20-bit
2 Watts
4 Ohms
4.17 x 1.85 x 1.1 in (10.6 x 4.7 x 2.8 cm)
0.62 lb (280 g)
100 to 240 VAC
Input Efficiency
Input frequency range
Input AC current
Output power
DC output
Hold-up time
Output current limit
3 pin/grounded, mates with interchangeable cords
Operating
temperature
Non-operating (storage)
temperature
HP ProBook 645 G1 Notebook PC
HP ProBook 655 G1 Notebook PC
87% min at 115 VAC
47 to 63 Hz
1.7 A at 90 VAC, 0.85 A at 180 VAC
65W
18.5V
5 msec at 115 VAC input
<11A, Over voltage protection- 29V max
automatic shutdown
32° to 104° F (0° to 40° C)
-4° to 149° F (-20° to 65° C)
Page 37