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HP Fingerprint Sensor
(optional)
Mobile Voltage
Operation
3.0V-3.6V Single Supply
Operating Temperature
32° - 158°F (0° - 70°C)
Current Consumption
@ 3.3V
Less than 70 mA peak imaging and scrolling
Less than 25 mA hardware finger detection
Advanced Power Management
High-Rate Image
Capture
Up to 240 image frames /sec
ESD Resistance
IEC 61000-4-2 Level 4 (±15KV)
Detection Matrix
192 x 16 Pixels
9.7 mm x 0.81 mm
500 ppi High-Resolution Images
Audio
Hardware
Implementation
IDT 92HD75B High Definition CODEC
Touch-Sensitive
Volume Controls
Volume up, volume down, and mute
Full Duplex
Yes
Microphone In
Stereo
Headphone/Line Out
Stereo
Integrated Microphone
Yes, dual-microphone array when equipped with optional webcam
Audio Output Quality
Frequency Response
20 Hz - 20 kHz
Signal to Noise Ratio
>85 dB
Total Harmonic
Distortion
0.01%
Noise Floor
-110 dB
Play/Record Sampling
Rate
(s)
8 kHz - 48kHz
DAC
16, 20 or 24-bit
ADC
16 or 20-bit
Integrated Stereo
Speakers
Power Rating
2 Watts
Impedance
4 Ohms
Communications
QuickSpecs
HP EliteBook 8540p Notebook PC
Technical Specifications
DA - 13521 Worldwide QuickSpecs — Version 7 — 3.1.2010
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