ZHCSM31B
September 2020 – March 2022
ADC3660
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
5
Pin Configuration and 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 - Power Consumption
6.6
Electrical Characteristics - DC Specifications
6.7
Electrical Characteristics - AC Specifications
6.8
Timing Requirements
6.9
Typical Characteristics
7
Parameter Measurement Information
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Analog Input
8.3.1.1
Analog Input Bandwidth
8.3.1.2
Analog Front End Design
8.3.1.2.1
Sampling Glitch Filter Design
8.3.1.2.2
Analog Input Termination and DC Bias
8.3.1.2.2.1
AC-Coupling
8.3.1.2.2.2
DC-Coupling
8.3.1.3
Auto-Zero Feature
8.3.2
Clock Input
8.3.2.1
Single Ended vs Differential Clock Input
8.3.2.2
Signal Acquisition Time Adjust
8.3.3
Voltage Reference
8.3.3.1
Internal voltage reference
8.3.3.2
External voltage reference (VREF)
8.3.3.3
External voltage reference with internal buffer (REFBUF)
8.3.4
Digital Down Converter
8.3.4.1
DDC MUX
8.3.4.2
Digital Filter Operation
8.3.4.2.1
FS/4 Mixing with Real Output
8.3.4.3
Numerically Controlled Oscillator (NCO) and Digital Mixer
8.3.4.4
Decimation Filter
8.3.4.5
SYNC
8.3.4.6
Output Formatting with Decimation
8.3.5
Digital Interface
8.3.5.1
SDR Output Clocking
8.3.5.2
Output Data Format
8.3.5.3
Output Formatter
8.3.5.4
Output Bit Mapper
8.3.5.5
Output Interface/Mode Configuration
8.3.5.5.1
Configuration Example
8.3.6
Test Pattern
8.4
Device Functional Modes
8.4.1
Normal Operation
8.4.2
Power Down Options
8.4.3
Digital Channel Averaging
8.5
Programming
8.5.1
Configuration using PINs only
8.5.2
Configuration using the SPI interface
8.5.2.1
Register Write
8.5.2.2
Register Read
8.6
Register Maps
8.6.1
Detailed Register Description
9
Application and Implementation
9.1
Typical Application
9.1.1
Design Requirements
9.1.2
Detailed Design Procedure
9.1.2.1
Input Signal Path
9.1.2.2
Sampling Clock
9.1.2.3
Voltage Reference
9.1.3
Application Curves
9.2
Initialization Set Up
9.2.1
Register Initialization During Operation
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
支持资源
12.2
Trademarks
12.3
Electrostatic Discharge Caution
12.4
术语表
13
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
RSB|40
MPQF185C
散热焊盘机械数据 (封装 | 引脚)
RSB|40
QFND255H
订购信息
zhcsm31b_oa
zhcsm31b_pm
1
特性
双通道
16 位 65MSPS ADC(最大输出速率 = 31Msps)
本底噪声:-159dBFS/Hz
超低功耗:65MSPS 时为每通道 71mW
16 位,无丢码
INL:±2LSB;DNL:±0.2LSB
基准:外部或内部
输入带宽:900MHz (3dB)
工业温度范围:-40°C 至 +105°C
片上数字下变频器
2 倍、4 倍、8 倍、16 倍、32 倍抽取率
32 位 NCO
串行 CMOS 接口
1.8V 单电源
小尺寸: 40 引脚 WQFN (5mm × 5mm) 封装
频谱性能 (f
IN
= 5MHz):
SNR:81.9dBFS
SFDR:88dBc HD2、HD3
SFDR:102dBFS 最严重毛刺