JAJSF30A
December 2014 – March 2018
LDC1612
,
LDC1614
PRODUCTION DATA.
1
特長
2
アプリケーション
3
概要
Device Images
概略回路図
測定精度と目標距離との関係
4
改訂履歴
5
Pin Configuration and Functions
Pin Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Switching Characteristics - I2C
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Multi-Channel and Single Channel Operation
7.3.2
Adjustable Conversion Time
7.3.3
Sensor Startup and Glitch Configuration
7.3.4
Reference Clock
7.3.5
Sensor Current Drive Control
7.3.6
Device Status Monitoring
7.4
Device Functional Modes
7.4.1
Startup Mode
7.4.2
Sleep Mode (Configuration Mode)
7.4.3
Normal (Conversion) Mode
7.4.4
Shutdown Mode
7.4.4.1
Reset
7.5
Programming
7.5.1
I2C Interface Specifications
7.5.2
Pulses on I2C
7.5.3
Multi Register Data Readback
7.6
Register Maps
7.6.1
Register List
7.6.2
Address 0x00, DATA0_MSB
Table 1.
Address 0x00, DATA0_MSB Field Descriptions
7.6.3
Address 0x01, DATA0_LSB
Table 2.
Address 0x01 DATA0_LSB Field Descriptions
7.6.4
Address 0x02, DATA1_MSB
Table 3.
Address 0x02, DATA1_MSB Field Descriptions
7.6.5
Address 0x03, DATA1_LSB
Table 4.
Address 0x03, DATA1_LSB Field Descriptions
7.6.6
Address 0x04, DATA2_MSB (LDC1614 only)
Table 5.
Address 0x04, DATA2_MSB Field Descriptions
7.6.7
Address 0x05, DATA2_LSB (LDC1614 only)
Table 6.
Address 0x05 DATA2_LSB Field Descriptions
7.6.8
Address 0x06, DATA3_MSB (LDC1614 only)
Table 7.
Address 0x06, DATA3_MSB Field Descriptions
7.6.9
Address 0x07, DATA3_LSB (LDC1614 only)
Table 8.
Address 0x07 DATA3_LSB Field Descriptions
7.6.10
Address 0x08, RCOUNT0
Table 9.
Address 0x08, RCOUNT0 Field Descriptions
7.6.11
Address 0x09, RCOUNT1
Table 10.
Address 0x09, RCOUNT1 Field Descriptions
7.6.12
Address 0x0A, RCOUNT2 (LDC1614 only)
Table 11.
Address 0x0A, RCOUNT2 Field Descriptions
7.6.13
Address 0x0B, RCOUNT3 (LDC1614 only)
Table 12.
Address 0x0B, RCOUNT3 Field Descriptions
7.6.14
Address 0x0C, OFFSET0
Table 13.
OFFSET0 Field Descriptions
7.6.15
Address 0x0D, OFFSET1
Table 14.
Address 0x0D, OFFSET1 Field Descriptions
7.6.16
Address 0x0E, OFFSET2 (LDC1614 only)
Table 15.
Address 0x0E, OFFSET2 Field Descriptions
7.6.17
Address 0x0F, OFFSET3 (LDC1614 only)
Table 16.
Address 0x0F, OFFSET3 Field Descriptions
7.6.18
Address 0x10, SETTLECOUNT0
Table 17.
Address 0x10, SETTLECOUNT0 Field Descriptions
7.6.19
Address 0x11, SETTLECOUNT1
Table 18.
Address 0x11, SETTLECOUNT1 Field Descriptions
7.6.20
Address 0x12, SETTLECOUNT2 (LDC1614 only)
Table 19.
Address 0x12, SETTLECOUNT2 Field Descriptions
7.6.21
Address 0x13, SETTLECOUNT3 (LDC1614 only)
Table 20.
Address 0x13, SETTLECOUNT3 Field Descriptions
7.6.22
Address 0x14, CLOCK_DIVIDERS0
Table 21.
Address 0x14, CLOCK_DIVIDERS0 Field Descriptions
7.6.23
Address 0x15, CLOCK_DIVIDERS1
Table 22.
Address 0x15, CLOCK_DIVIDERS1 Field Descriptions
7.6.24
Address 0x16, CLOCK_DIVIDERS2 (LDC1614 only)
Table 23.
Address 0x16, CLOCK_DIVIDERS2 Field Descriptions
7.6.25
Address 0x17, CLOCK_DIVIDERS3 (LDC1614 only)
Table 24.
Address 0x17, CLOCK_DIVIDERS3
7.6.26
Address 0x18, STATUS
Table 25.
Address 0x18, STATUS Field Descriptions
7.6.27
Address 0x19, ERROR_CONFIG
Table 26.
Address 0x19, ERROR_CONFIG
7.6.28
Address 0x1A, CONFIG
Table 27.
Address 0x1A, CONFIG Field Descriptions
7.6.29
Address 0x1B, MUX_CONFIG
Table 28.
Address 0x1B, MUX_CONFIG Field Descriptions
7.6.30
Address 0x1C, RESET_DEV
Table 29.
Address 0x1C, RESET_DEV Field Descriptions
7.6.31
Address 0x1E, DRIVE_CURRENT0
Table 30.
Address 0x1E, DRIVE_CURRENT0 Field Descriptions
7.6.32
Address 0x1F, DRIVE_CURRENT1
Table 31.
Address 0x1F, DRIVE_CURRENT1 Field Descriptions
7.6.33
Address 0x20, DRIVE_CURRENT2 (LDC1614 only)
Table 32.
Address 0x20, DRIVE_CURRENT2 Field Descriptions
7.6.34
Address 0x21, DRIVE_CURRENT3 (LDC1614 only)
Table 33.
DRIVE_CURRENT3 Field Descriptions
7.6.35
Address 0x7E, MANUFACTURER_ID
Table 34.
Address 0x7E, MANUFACTURER_ID Field Descriptions
7.6.36
Address 0x7F, DEVICE_ID
Table 35.
Address 0x7F, DEVICE_ID Field Descriptions
8
Application and Implementation
8.1
Application Information
8.1.1
Conductive Objects in a Time-Varying EM Field
8.1.2
L-C Resonators
8.1.3
Multi-Channel and Single Channel Operation
8.1.3.1
Data Offset
8.1.4
Sensor Conversion Time
8.1.4.1
Settling Time
8.1.4.2
Sensor Activation
8.1.5
Sensor Current Drive Configuration
8.1.5.1
Inactive Channel Sensor Connections
8.1.5.2
Automatic IDRIVE Setting with RP_OVERRIDE_EN
8.1.5.3
Determining Sensor IDRIVE for an Unknown Sensor RP Using an Oscilloscope
8.1.5.4
Sensor Auto-Calibration Mode
8.1.5.5
Channel 0 High Current Drive
8.1.6
Clocking Architecture
8.1.7
Input Deglitch Filter
8.1.8
Device Status Registers
8.1.9
Multi-Channel Data Readback
8.2
Typical Application
8.2.1
System Sensing Functionality
8.2.2
Example Application
8.2.3
Design Requirements
8.2.4
Detailed Design Procedure
8.2.5
Recommended Initial Register Configuration Values
8.2.6
Application Curves
8.2.7
Inductor Self-Resonant Frequency
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
デバイスおよびドキュメントのサポート
11.1
デバイス・サポート
11.1.1
開発サポート
11.2
ドキュメントのサポート
11.2.1
関連資料
11.3
関連リンク
11.4
ドキュメントの更新通知を受け取る方法
11.5
コミュニティ・リソース
11.6
商標
11.7
静電気放電に関する注意事項
11.8
Glossary
12
メカニカル、パッケージ、および注文情報
パッケージ・オプション
メカニカル・データ（パッケージ｜ピン）
RGH|16
MPQF182B
サーマルパッド・メカニカル・データ
RGH|16
QFND440A
発注情報
jajsf30a_oa
jajsf30a_pm
10
Layout