JAJSQW3A September   2024  – October 2024 LOG300

PRODUCTION DATA  

  1.   1
  2. 1 特長
  3. 2 アプリケーション
  4. 3 概要
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics Low Noise Amplifier (LNA) 
    6. 5.6 Electrical Characteristics Log Detector
    7. 5.7 Electrical Characteristics LNA + Log Detector (AFE)
    8. 5.8 Typical Characteristics: VCC = 5V
    9. 5.9 Typical Characteristics: VCC = 3.3V
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Offset Correction Loop (OCL)
      2. 7.3.2 Single and Differential Input
      3. 7.3.3 Input Frequency Detect
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Ultrasonic Distance Measurement
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curves
    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 サード・パーティ製品に関する免責事項
    2. 9.2 ドキュメントの更新通知を受け取る方法
    3. 9.3 サポート・リソース
    4. 9.4 Trademarks
    5. 9.5 静電気放電に関する注意事項
    6. 9.6 用語集
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

パッケージ・オプション

デバイスごとのパッケージ図は、PDF版データシートをご参照ください。

メカニカル・データ（パッケージ｜ピン）
  • RGT|16
  • D|16
サーマルパッド・メカニカル・データ
発注情報

5.7 Electrical Characteristics LNA + Log Detector (AFE)

at TA = 25°C, VCC = 5V, CF = 1nF and RF = 43kΩ (slope = 43mV/dB for f = 1MHz), Ref_resistor = 1% 56kΩ, with 2nd-order external band-pass filter (BPF) of gain = –7dB, and RSOURCE = 50Ω, 10nF capacitor to AGND or to source on LNA_In (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
AFE AC PERFORMANCE
LCE Log conformance error f = 1MHz ±1 dB
TA = –40°C to +125°C ±1
DR Dynamic range For LCE = ±1dB, f = 1MHz 91 dB
Log Detector slope variation(1) Ref_Res = open ±4.5 %
Ref_Res = 56kΩ  ±1 ±7
Ref_Res = 56kΩ  TA = –40°C to +125°C ±7.2
AFE INPUT
AFE input Typical input voltage  LCE = ±1dB, f = 1MHz 7µ 200m VP
TA = –40°C to +125°C 8µ 200m
LCE = ±2dB, f = 20MHz 12µ 200m
TA = –40°C to +125°C 14µ 200m
Output rise time BPF = 180kHz, CF = 350pF  35 µs
BPF = 1MHz, CF = 500pF  50
Output fall time BPF = 180kHz, CF = 350pF  65 µs
BPF = 1MHz, CF = 500pF  45
LOG_OUT
Minimum output voltage(1) LNA_In = 10nF to AGND  290 335 mV
TA = –40°C to +125°C 436
POWER SUPPLY
VCC Quiescent current  Total AFE, LNA_Out = open 6 7.2 mA
TA = –40°C to +125°C 8.3
POWER DOWN
VCC Disabled current Total AFE, VCC = 3.3V TA = –40°C to +125°C 65 µA
Total AFE, VCC = 5V 130
AFE_
En		 AFE enable voltage threshold VCC– 1.2 V
AFE disable voltage threshold AGND + 0.6 V
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