JAJSVH2 October   2024 ADC3908D025 , ADC3908D065 , ADC3908D125 , ADC3908S025 , ADC3908S065 , ADC3908S125

PRODUCTION DATA  

  1.   1
  2. 1 特長
  3. 2 アプリケーション
  4. 3 概要
  5. 4 Device Comparison
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Recommended Operating Conditions
    4. 6.4  Thermal Information
    5. 6.5  Electrical Characteristics - Power Consumption
    6. 6.6  Electrical Characteristics - DC Specifications
    7. 6.7  Electrical Characteristics - AC Specifications (25 MSPS)
    8. 6.8  Electrical Characteristics - AC Specifications (65 MSPS)
    9. 6.9  Electrical Characteristics - AC Specifications (125 MSPS)
    10. 6.10 Timing Requirements
    11. 6.11 Output Interface Timing Diagram
    12. 6.12 Typical Characteristics: 25MSPS
    13. 6.13 Typical Characteristics - 65MSPS
    14. 6.14 Typical Characteristics - 125MSPS
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Analog Input
        1. 7.3.1.1 Single Ended Input
        2. 7.3.1.2 Differential Input
        3. 7.3.1.3 Analog Input Bandwidth
      2. 7.3.2 Sampling Clock Input
      3. 7.3.3 Digital Interface
        1. 7.3.3.1 Test Pattern
        2. 7.3.3.2 Interface Configuration using Pin Control
    4. 7.4 Device Functional Modes
      1. 7.4.1 Normal Operation
      2. 7.4.2 Power Down
  9. 8 Application Information Disclaimer
    1. 8.1 Typical Application
      1. 8.1.1 Design Requirements
      2. 8.1.2 Detailed Design Procedure
        1. 8.1.2.1 Input Signal Path
        2. 8.1.2.2 Sampling Clock
      3. 8.1.3 Application Curves
    2. 8.2 Initialization Set Up
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 ドキュメントの更新通知を受け取る方法
    2. 9.2 サポート・リソース
    3. 9.3 Trademarks
    4. 9.4 静電気放電に関する注意事項
    5. 9.5 用語集
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

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）
サーマルパッド・メカニカル・データ
発注情報

5 Pin Configuration and Functions

A. AGND is soldered to the thermal pad
Figure 5-1 RSM (VQFN) Package, 32-Pin (Top View)
Table 5-1 Pin Functions
PINTYPEDESCRIPTION
NAMENO.
INPUT or REFERENCE
INAP10IPositive analog input, channel A
INAM11INegative analog input, channel A
INBP/NC14IPositive analog input, channel B (NC on single channel device)
INBM/NC15INegative analog input, channel B (NC on single channel device)
VCM7OCommon-mode voltage output for the analog inputs, 1.25 V
CLOCK
CLK8ISampling clock input for the ADC
CONFIGURATION
RESET9IHardware reset. Active high. This pin has an internal 60 kΩ pull-down resistor.
M016IDefault, internal 40 kΩ pull-down resistor.

Tie to GND for dual channel devices or AVDD for single channel devices.

This pin is used to configure default operating conditions. Interface configuration table

M118IDefault, internal 40 kΩ pull-down resistor.

This pin is used to configure default operating conditions. Interface configuration table

M219IDefault, internal 40 kΩ pull-down resistor.

This pin is used to configure default operating conditions. Interface configuration table

DIGITAL INTERFACE
D032OParallel CMOS digital lane output data.
D131O
D226O
D325O
D424O
D523O
D622O
D721O
DCLK30OCMOS output for data bit clock.
DCLK29OInverse data bit clock for CMOS output data.
PDN6IDefault, pin has 60 kΩ pull-down. When PDN is pulled high device is put in a powerdown state.
POWER SUPPLY
AVDD12, 13IAnalog 1.8 V power supply
GNDPowerPAD™IAnalog Ground, 0 V
IOVDD27I1.8 V power supply for digital interface
DGND5, 28IGround, 0 V for digital interface
OTHER
NC 1, 2, 3, 4, 5, 17, 20 - No connection. Connect to ground.