JAJSI63
November 2019
LDC1001-Q1
PRODUCTION DATA.
1
特長
2
アプリケーション
3
概要
代表的なアプリケーション — 軸方向距離検出
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
Timing Requirements
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Inductive Sensing
7.3.2
Measuring Parallel Resonance Impedance and Inductance With LDC1001-Q1
7.3.2.1
Measuring Inductance
7.3.2.1.1
Example
7.4
Device Functional Modes
7.4.1
INTB Pin Modes
7.4.1.1
Comparator Mode
7.4.1.2
Wake-Up Mode
7.4.1.3
DRDYB Mode
7.5
Programming
7.5.1
Digital Interface
7.5.1.1
SPI Description
7.5.1.2
Extended SPI Transactions
7.6
Register Map
7.6.1
Register Description
7.6.1.1
Revision ID (offset = 0x00) [reset = 0x80]
Table 2.
Revision ID Field Descriptions
7.6.1.2
Rp_MAX (offset = 0x01) [reset = 0x0E]
Table 3.
Rp_MAX Field Descriptions
7.6.1.3
Rp_MIN (offset = 0x02) [reset = 0x14]
Table 4.
Rp_MIN Field Descriptions
7.6.1.4
Sensor Frequency (offset = 0x03) [reset = 0x45]
Table 5.
Sensor Frequency Field Descriptions
7.6.1.5
LDC Configuration (offset = 0x04) [reset = 0x1B]
Table 6.
LDC Configuration Field Descriptions
7.6.1.6
Clock Configuration (offset = 0x05) [reset = 0x01]
Table 7.
Clock Configuration Field Descriptions
7.6.1.7
Comparator Threshold High LSB (offset = 0x06) [reset = 0xFF]
Table 8.
Comparator Threshold High LSB Field Descriptions
7.6.1.8
Comparator Threshold High MSB (offset = 0x07) [reset = 0xFF]
Table 9.
Comparator Threshold High MSB Field Descriptions
7.6.1.9
Comparator Threshold Low LSB (offset = 0x08) [reset = 0x00]
Table 10.
Comparator Threshold Low LSB Field Descriptions
7.6.1.10
Comparator Threshold Low MSB (offset = 0x09) [reset = 0x00]
Table 11.
Comparator Threshold Low MSB Field Descriptions
7.6.1.11
INTB Pin Configuration (offset = 0x0A) [reset = 0x00]
Table 12.
INTB Pin Configuration Field Descriptions
7.6.1.12
Power Configuration (offset = 0x0B) [reset = 0x00]
Table 13.
Power Configuration Field Descriptions
7.6.1.13
Status (offset = 0x20) [reset = NA]
Table 14.
Status Field Descriptions
7.6.1.14
Proximity Data LSB (offset = 0x21) [reset = NA]
Table 15.
Proximity Data LSB Field Descriptions
7.6.1.15
Proximity Data MSB (offset = 0x22) [reset = NA]
Table 16.
Proximity Data MSB Field Descriptions
7.6.1.16
Frequency Counter LSB (offset = 0x23) [reset = NA]
Table 17.
Frequency Counter LSB Field Descriptions
7.6.1.17
Frequency Counter Mid-Byte (offset = 0x24) [reset = NA]
Table 18.
Frequency Counter Mid-Byte Field Descriptions
7.6.1.18
Frequency Counter MSB (offset = 0x25) [reset = NA]
Table 19.
Frequency Counter MSB Field Descriptions
8
Application and Implementation
8.1
Application Information
8.1.1
Calculation of Rp_Min and Rp_Max
8.1.1.1
Rp_MAX
8.1.1.2
Rp_MIN
8.1.2
Output Data Rate
8.1.2.1
Example
8.1.3
Selecting a Filter Capacitor (CFA and CFB Pins)
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Sensor and Target
8.2.2.2
Calculating a Sensor Capacitor
8.2.2.3
Selecting a Filter Capacitor
8.2.2.4
Setting Rp_MIN and Rp_MAX
8.2.2.5
Calculating Minimum Sensor Frequency
8.2.3
Application Curves
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
ドキュメントの更新通知を受け取る方法
11.2
サポート・リソース
11.3
商標
11.4
静電気放電に関する注意事項
11.5
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)
PW|16
MPDS361A
サーマルパッド・メカニカル・データ
発注情報
jajsi63_oa
jajsi63_pm
7.6.1
Register Description