JAJSH03B
May 2013 – February 2019
ADS8860
PRODUCTION DATA.
1
特長
2
アプリケーション
3
概要
Device Images
ADC 電源用に別個の LDO が不要
4
改訂履歴
5
概要(続き)
6
Device Comparison Table
7
Pin Configuration and Functions
Pin Functions
8
Specifications
8.1
Absolute Maximum Ratings
8.2
ESD Ratings
8.3
Recommended Operating Conditions
8.4
Thermal Information
8.5
Electrical Characteristics
8.6
Timing Requirements: 3-Wire Operation
8.7
Timing Requirements: 4-Wire Operation
8.8
Timing Requirements: Daisy-Chain
8.9
Typical Characteristics
9
Parameter Measurement Information
9.1
Equivalent Circuits
10
Detailed Description
10.1
Overview
10.2
Functional Block Diagram
10.3
Feature Description
10.3.1
Analog Input
10.3.2
Reference
10.3.3
Clock
10.3.4
ADC Transfer Function
10.4
Device Functional Modes
10.4.1
CS Mode
10.4.1.1
3-Wire CS Mode Without a Busy Indicator
10.4.1.2
3-Wire CS Mode With a Busy Indicator
10.4.1.3
4-Wire CS Mode Without a Busy Indicator
10.4.1.4
4-Wire CS Mode With a Busy Indicator
10.4.2
Daisy-Chain Mode
10.4.2.1
Daisy-Chain Mode Without a Busy Indicator
10.4.2.2
Daisy-Chain Mode With a Busy Indicator
11
Application and Implementation
11.1
Application Information
11.1.1
ADC Reference Driver
11.1.2
ADC Input Driver
11.1.2.1
Input Amplifier Selection
11.1.2.2
Charge-Kickback Filter
11.2
Typical Applications
11.2.1
DAQ Circuit for a 1-µs, Full-Scale Step Response
11.2.1.1
Design Requirements
11.2.1.2
Detailed Design Procedure
11.2.2
DAQ Circuit for Lowest Distortion and Noise Performance at 1 MSPS
11.2.2.1
Design Requirements
11.2.2.2
Detailed Design Procedure
11.2.3
Ultralow-Power DAQ Circuit at 10 kSPS
11.2.3.1
Design Requirements
11.2.3.2
Detailed Design Procedure
12
Power Supply Recommendations
12.1
Power-Supply Decoupling
12.2
Power Saving
13
Layout
13.1
Layout Guidelines
13.2
Layout Example
14
デバイスおよびドキュメントのサポート
14.1
ドキュメントのサポート
14.1.1
関連資料
14.2
ドキュメントの更新通知を受け取る方法
14.3
コミュニティ・リソース
14.4
商標
14.5
静電気放電に関する注意事項
14.6
Glossary
15
メカニカル、パッケージ、および注文情報
8.9
Typical Characteristics
at T
A
= 25°C, AVDD = 3 V, DVDD = 3 V, V
REF
= 5 V, and f
SAMPLE
=
1 MSPS
(unless otherwise noted)
Figure 4.
Typical INL (V
REF
= 2.5 V)
Figure 6.
Typical INL (V
REF
= 5 V)
Figure 8.
INL vs Temperature
Figure 10.
INL vs Reference Voltage
Figure 12.
DC Input Histogram (V
REF
= 2.5 V)
Figure 14.
Typical FFT (V
REF
= 2.5 V)
Figure 16.
SNR vs Reference Voltage
Figure 18.
ENOB vs Reference Voltage
Figure 20.
SFDR vs Reference Voltage
Figure 22.
SINAD vs Temperature
Figure 24.
THD vs Temperature
Figure 26.
SNR vs Input Frequency
Figure 28.
ENOB vs Input Frequency
Figure 30.
SFDR vs Input Frequency
Figure 32.
Power Consumption vs Temperature
Figure 34.
Power Consumption vs Throughput
Figure 36.
Offset vs Temperature
Figure 38.
Typical Distribution of Gain Error
Figure 40.
Typical Distribution of Differential Nonlinearity (Minimum and Maximum)
Figure 5.
Typical DNL (V
REF
= 2.5 V)
Figure 7.
Typical DNL (V
REF
= 5 V)
Figure 9.
DNL vs Temperature
Figure 11.
DNL vs Reference Voltage
Figure 13.
DC Input Histogram (V
REF
= 5 V)
Figure 15.
Typical FFT (V
REF
= 5 V)
Figure 17.
SINAD vs Reference Voltage
Figure 19.
THD vs Reference Voltage
Figure 21.
SNR vs Temperature
Figure 23.
ENOB vs Temperature
Figure 25.
SFDR vs Temperature
Figure 27.
SINAD vs Input Frequency
Figure 29.
THD vs Input Frequency
Figure 31.
Supply Current vs Temperature
Figure 33.
Supply Current vs Throughput
Figure 35.
Power-Down Current vs Temperature
Figure 37.
Gain Error vs Temperature
Figure 39.
Typical Distribution of Offset Error
Figure 41.
Typical Distribution of Integral
Nonlinearity (Minimum and Maximum)