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NCX8200 데이터시트 PDF




NXP Semiconductors에서 제조한 전자 부품 NCX8200은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 NCX8200 기능
기능 Audio jack configuration switch matrix
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NCX8200 데이터시트, 핀배열, 회로
NCX8200
Audio jack configuration switch matrix
Rev. 1 — 15 May 2015
Product data sheet
1. General description
The NCX8200 is an advanced audio jack configuration switch matrix device that supports
3- and 4-pole connectors. It allows reconfiguration of the GND, microphone-bias contact
to comply with the American Headset Jack (AHJ) and the Open Mobile Terminal Platform
(OMTP) pinout. Furthermore, a GND sense path supports quasi-differential amplifier
architectures. The device contains Human Body Model compliant ESD protection diodes
rated 8 kV at all pins. The device can be operated from a supply in the range of 1.6 V to
3.6 V. It supports a broad variety of after-market headphones.
2. Features and benefits
AHJ and OMTP headset jack pinout support
Low supply current
Sense path to GND for quasi differential amplifier configuration
Low THD and noise microphone pass through channel
Ultra low RDSon of ground and sense switches
High power supply ripple rejection
ESD protection: HBM JEDEC JDS-001 Class 3B exceeds 8 kV
Operating ambient temperature: 40C to +85C
1.22 mm 1.22 mm 0.5 mm WLCSP9 package
3. Applications
Headphones with integrated microphone and remote control buttons
4. Ordering information
Table 1. Ordering information
Type number
Package
Name
Description
NCX8200UK
WLCSP9 wafer chip-scale package; 9 bumps; 1.22 1.22 0.5 mm
5. Marking
Version
NCX8200UK
Table 2. Marking codes
Type number
NCX8200UK
Marking code
qx82




NCX8200 pdf, 반도체, 판매, 대치품
NXP Semiconductors
NCX8200
Audio jack configuration switch matrix
9. Application diagram
A capacitor of value not less than 1 F, should be placed between VDD and GND for
stable operation of the NCX8200. The bypass capacitor should be placed close to the
device with low-ohmic connection from the power supply and GND connection.
SNS1 should be for sensing CON1 connection and SNS2 should be for sensing CON2
connection. In PCB design, CONx routes from the headset jack should be as low-ohmic
as possible. SNSx sensing nodes should be as close to the headset jack as possible with
low-ohmic connection, so that the star connection is recommended. The routes from
sensing nodes to SNSx should be as low-ohmic as possible.
When VDD is not powered, all the FETs become open by default. Thus, the ground return
path becomes floating. Noise might be heard if a speaker (with external powered
amplified) is plugged in the audio jack. It is highly recommended when the audio jack
detects a plug-in, the NCX8200 is kept powered until unplug.
VDD
GND
Sensing
MIC
BIAS
Audio
CODEC
Processor
Sense
2.2 kΩ MIC
1 μF
SEL
SNS 1
MIB 1
2
2
Switching
Control
12
GRD
750 kΩ
VDD
1.0 μF
AHJ GND MIC
OMTP MIC GND
headset jack
SNS1
SNS2
CON1
CON2
LR
Fig 4. NCX8200 application diagram
GND
aaa-016473
NCX8200
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 15 May 2015
© NXP Semiconductors N.V. 2015. All rights reserved.
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NCX8200 전자부품, 판매, 대치품
NXP Semiconductors
NCX8200
Audio jack configuration switch matrix
Table 7. Static characteristics …continued
At recommended operating conditions Tamb = 40 C to +85 C unless otherwise specified. Typical values are measured with
VDD = 3.0 V and Tamb = 25C. Voltages are referenced to GND (ground = 0 V). …continued
Symbol Parameter
Conditions
Min Typ Max Unit
Sense switch SNS
RON(SNS)
SNS
switch on resistance
IIsense = 30 mA, SNSx= 0 V
VDD = 1.8 V
- 80 130 m
RON(SNS_flat) SNS switch-on resistance
flatness
IS(SNS_OFF) SNS switch leakage
current
VDD = 3.0 V
VDD = 3.6 V
IIsense = 10 mA, SNSx = 0 V,
VDD = 1.8 V ~ 3.6 V
IIsense = 1 mA, SNSx= 0 V,
VDD = 1.8 V ~ 3.6 V
Sense; Vsense = 1 V
SEL = H; SNS1 =GND; SNS2 = OPEN
-
-
-
-
-
60 90 m
57 82 m
- 50 m
- 50 m
- 1 A
SEL = L; SNS1 = OPEN; SNS2 = GND - - 1 A
NCX8200
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 15 May 2015
© NXP Semiconductors N.V. 2015. All rights reserved.
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NCX8200

Audio jack configuration switch matrix

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