ZHCSI51A
May 2018 – June 2018
OPA521
PRODUCTION DATA.
1
特性
2
应用
3
说明
Device Images
OPA521 方框图
4
修订历史记录
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
Electrical Characteristics: Digital
6.7
Electrical Characteristics: Power Supply
6.8
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
IQSET Pin
7.3.2
EN Pin
7.3.3
ILIM Pin Current Limiting
7.3.4
IFLAG and TFLAG Pins
7.4
Device Functional Modes
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Interfacing the OPA521 to the AC Mains
8.2.2.1.1
Low-Voltage Capacitor
8.2.2.1.2
High-Voltage Capacitor
8.2.2.1.3
Inductor
8.2.2.1.4
Line Coupling Transformer
8.2.2.2
Circuit Protection
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.1.1
Thermal Considerations
10.2
Layout Example
11
器件和文档支持
11.1
器件支持
11.1.1
第三方产品免责声明
11.2
文档支持
11.2.1
相关文档
11.3
接收文档更新通知
11.4
社区资源
11.5
商标
11.6
静电放电警告
11.7
术语表
12
"机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
RGW|20
MPQF122C
散热焊盘机械数据 (封装 | 引脚)
RGW|20
QFND012L
订购信息
zhcsi51a_oa
zhcsi51a_pm
6.8
Typical Characteristics
At T
CASE
= +25°C, V+ = 24 V, IN+ = (V+)/2, R
LOAD
= 50 Ω unless otherwise noted.
Figure 1.
Closed Loop Gain vs Frequency
V
OUT
= 7 V
RMS
Figure 3.
THD+N vs Frequency
Figure 5.
Input Voltage Noise Spectral Density
Figure 7.
Maximum Output Current Limit vs R
SET
1.
V+ = 15 V
Figure 9.
Output Swing from GND vs Output Current (Sinking)
Figure 11.
Small-Signal Step Response
Figure 13.
Small-Signal Overshoot vs Capacitive Load
V+ = 15 V
Figure 15.
CMRR vs Temperature
V+ = 15 V
Figure 17.
Iq vs Supply Voltage
Figure 19.
0.1-Hz to 10-Hz Noise
Figure 2.
PSRR+ vs Frequency
ƒ = 1 kHz
Figure 4.
THD+N vs Output Amplitude
Figure 6.
Input Current Noise Density
1.
V+ = 15 V
Figure 8.
Output Swing from V+ vs Output Current (Sourcing)
1.
Figure 10.
Maximum Output Voltage vs Frequency
Figure 12.
Large-Signal Step Response
V+ = 15 V
Figure 14.
Gain Error vs Temperature
V+ = 15 V
Figure 16.
PSRR vs Temperature
V+ = 15 V
Figure 18.
Iq vs Temperature