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LC717A10AJ の電気的特性と機能

LC717A10AJのメーカーはSanyo Semicon Deviceです、この部品の機能は「Capacitance-Digital-Converter LSI」です。


製品の詳細 ( Datasheet PDF )

部品番号 LC717A10AJ
部品説明 Capacitance-Digital-Converter LSI
メーカ Sanyo Semicon Device
ロゴ Sanyo Semicon Device ロゴ 




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LC717A10AJ Datasheet, LC717A10AJ PDF,ピン配置, 機能
Ordering number : ENA2162
CMOS LSI
LC717A10AJ Capacitance-Digital-Converter LSI
for Electrostatic Capacitive Touch
Sensors
Overview
The LC717A10AJ is a high-performance and low-cost capacitance-digital-converter LSI for electrostatic capacitive
touch sensor, especially focused on usability.
It has 16 channels capacitance-sensor input. This makes it ideal for use in the products that need many switches.
Since the calibration function and the judgment of ON/OFF are automatically performed in LSI internal, it can make
development time more short. A detection result (ON/OFF) for each input can be read out by the serial interface (I2C
compatible bus or SPI).
Also, measurement value of each input can be read out as 8-bit digital data. Moreover, gain and other parameters can
be adjusted using serial interface.
Features
Detection system: Differential capacitance detection (Mutual capacitance type)
Input capacitance resolution: Can detect capacitance changes in the femto Farad order
Measurement interval (16 differential inputs): 30ms (Typ) (at initial configuration),
6ms (Typ) (at minimum interval configuration)
External components for measurement: Not required
Interface: I2C * compatible bus or SPI selectable.
Current consumption: 570μA (Typ) (VDD = 2.8V), 1.3mA (Typ) (VDD = 5.5V)
Supply voltage: 2.6V to 5.5V
Detection operations: Switch
Packages: SSOP30
* I2C Bus is a trademark of Philips Corporation.
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment. The products mentioned herein
shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life,
aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system,
safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives
in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any
guarantee thereof. If you should intend to use our products for new introduction or other application different
from current conditions on the usage of automotive device, communication device, office equipment, industrial
equipment etc. , please consult with us about usage condition (temperature, operation time etc.) prior to the
intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely
responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer's products or
equipment.
Ver1.0.1
D1912HKPC 20121204-S00003 No.A2162-1/11

1 Page





LC717A10AJ pdf, ピン配列
LC717A10AJ
Continued from the previous page.
Parameter
Symbol
Conditions
Pin input voltage
VIH High input
VIL Low input
Pin output voltage
SDA pin output voltage
Pin leak current
VOH
VOL
VOL I2C
ILEAK
High output
(IOH = +3mA)
Low output
(IOL = -3mA)
SDA Low output
(IOL = -3mA)
Current consumption
IDD
When initial setting and
non-touch
VDD = 2.8V
When initial setting and
non-touch
VDD = 5.5V
ISTBY
During Sleep process
*1) Design guarantee values (not tested before shipment)
*2) Measurements conducted using the test mode in the LSI
*3) Ta = +25°C
*4) Apply to nRST, SCL, SDA, SA0, SA1, SCK, SI, nCS
*5) Apply to Cdrv, SO, INTOUT
*6) Apply to nRST, SCL, SDA, SA0, SA1, SCK, SI, nCS
min
0.8VDD
0.8VDD
typ max Unit Remarks
0.2VDD
V
*1 *4
0.2VDD
0.4
±1
V
V
μA
570 700 μA
*5
*6
*1 *3
1.3
1.6 mA
*1 *3
1 μA
*3
No.A2162-3/11


3Pages


LC717A10AJ 電子部品, 半導体
LC717A10AJ
I2C Compatible Bus Slave Address
Selection of two kinds of addresses is possible through the SA0 and SA1 terminals.
SA1 input
SA0 input
7bit slave address
Binary notation
Low Low
0x16
00101100b (Write)
00101101b (Read)
Low High
0x17
00101110b (Write)
00101111b (Read)
High
Low
0x18
00110000b (Write)
00110001b (Read)
High
High
0x19
00110010b (Write)
00110011b (Read)
8bit slave address
0x2C
0x2D
0x2E
0x2F
0x30
0x31
0x32
0x33
SPI Data Timing (SPI Mode 0 / Mode 3)
nCS
tSU;SCK tSU;NCS tHIGH tLOW
tCPH
tr tf tHD;NCS tHD;SCK
SCK
tSU;SI tHD;SI
SI
SO
Hi-Z
VALID
tCLZ
tV
fig.5
tHD;SO
VALID
tCHZ
SPI Communication Formats (Example of Mode 0)
Write format (data can be written into sequentially incremented addresses with preserving nCS = L)
nCS
SCK
SI
SO
Write=L
765432107654321076543210
Register Address(N)
Hi-Z
Data written to Register Address(N) Data written to Register Address(N+1)
fig.6
Read format (data can be read from sequentially incremented addresses with preserving nCS = L)
nCS
SCK
SI
SO
Read=H
76543210
Register Address(N)
Hi-Z
76543210765432107
Data read from Register Address(N) Data read from Register Address(N+1)
fig.7
No.A2162-6/11

6 Page



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共有リンク

Link :


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