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AZV5002 Datasheet

Low Power Audio Jack Detector

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AZV5002
Low Power Audio Jack Detector with
SEND/END Detection in Miniaturized Package
Description
The AZV5002 is a low power and cost effective headset detection IC
with a comparator with internal hysteresis, OR gate, and N-channel
MOSFET integrated designed to detect the assertion of a headset with
a microphone.
Pullup resistors for the detection pins are internalized, a built in resistor
divider provides the reference voltage for detecting the left audio
channel. The logic low output of the OR gate indicates the headset has
been connected properly.
The AZV5002 is available in miniaturized package, U-QFN1418-10
which helps reduce the space needed on PCB boards.
Features
Low Supply Current: 5µA (Typical) @ VDD = 1.8V
Supply Voltage Range: 1.6~5.5V
Comparator, OR Gate, N-Channel MOSFET Integrated
Open Drain Output for MIC Pin
U-QFN1418-10: Available in GreenMolding Compound (No Br.
Sb.)
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device(Note 3)
Pin Assignments
AZV5002
S/E DET
S/E_DET 8
7
6
5
S/E_REF 9
4
VDD2 10
1
GND
2
MIC
3
Top View
(U-QFN1418-10)
Fig. 1
GND_DET
L_DET
VDD
Applications
Mobile Phones
Tablet
Battery Powered Devices
Alarm and Security Systems
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
AZV5002
Document number: DS38465 Rev. 1 - 2
1 of 15
www.diodes.com
March 2016
© Diodes Incorporated


Diodes Semiconductor Electronic Components Datasheet

AZV5002 Datasheet

Low Power Audio Jack Detector

No Preview Available !

Typical Applications Circuit
VDD2
S/E_REF
AZV5002
S/E_DET
VDD2
VDD
VDD
270K
1M
VDD
1M
VDD
VDD
L_DET
GND
GND_DET
S/E
MIC
DET
AZV5002
GPIO_B
Baseband
GPIO_A
2.2K
MIC_Bias
MIC
Audio Codec
MIC_IN
L_CH R_CH
Send M G R L
/End
Note: L: Left Channel
R: Right Channel
G: Ground
M: Microphone
Output Logic
L_DET
0
0
1
1
Inputs
GND_DET
0
1
0
1
Fig. 2
DET
0
1
1
1
Outputs
MIC
1 (External Pull-Up)
0
0
0
Headset
Detected
Not Detected
Not Detected
Not Detected
AZV5002
Document number: DS38465 Rev. 1 - 2
2 of 15
www.diodes.com
March 2016
© Diodes Incorporated


Part Number AZV5002
Description Low Power Audio Jack Detector
Maker Diodes
PDF Download

AZV5002 Datasheet PDF





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