HP Fingerprint Sensor
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 audio
Function Key Volume
Controls
Volume up, volume down, and mute
Full Duplex
Yes
Combo
headphone/microphone
jack
Device Used
Operation
Stereo Headphone
Headphone works.
Integrated microphone works.
External PC Microphone
External microphone does not
work.
Integrated microphone works.
Combo headphone / microphone
without "Answer" button
Headphone and microphone in
headset work as advertised.
Combo headphone / microphone
with "Answer" button
Headphone and microphone in
headset work initially whenever
headset is plugged in; integrated
microphone in PC is disabled. If
"answer" button in pushed,
microphone in headset is disabled,
integrated microphone in PC is
enabled.
Integrated Stereo
Microphones
Yes
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
QuickSpecs
HP EliteBook 2740p Tablet PC
Technical Specifications
DA - 13567 Worldwide QuickSpecs — Version 6 — 6/2/2010
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