ZHCSPH8 July   2022 AMC1400-Q1

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 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  Power Ratings
    6. 6.6  Insulation Specifications
    7. 6.7  Safety-Related Certifications
    8. 6.8  Safety Limiting Values
    9. 6.9  Electrical Characteristics
    10. 6.10 Switching Characteristics
    11. 6.11 Timing Diagram
    12. 6.12 Insulation Characteristics Curves
    13. 6.13 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Analog Input
      2. 7.3.2 Isolation Channel Signal Transmission
      3. 7.3.3 Analog Output
    4. 7.4 Device Functional Modes
  8. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 Insulation Coordination
        2. 8.2.2.2 Input Filter Design
        3. 8.2.2.3 Differential to Single-Ended Output Conversion
      3. 8.2.3 Application Curve
    3. 8.3 Best Design Practices
    4. 8.4 Power Supply Recommendations
    5. 8.5 Layout
      1. 8.5.1 Layout Guidelines
      2. 8.5.2 Layout Example
  9. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 接收文档更新通知
    3. 9.3 支持资源
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 术语表
  10. 10Mechanical, Packaging, and Orderable Information

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6.9 Electrical Characteristics

minimum and maximum specifications apply from TA = –40°C to +125°C, VDD1 = 3.0 V to 5.5 V, VDD2 = 3.0 V to 5.5 V, INP = –250 mV to +250 mV, and INN = GND1; typical specifications are at TA = 25°C, VDD1 = 5 V, and VDD2 = 3.3 V (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
ANALOG INPUT
VOS Input offset voltage(1)(2) TA = 25°C, INP = INN = GND1 –0.2 ±0.01 0.2 mV
TCVOS Input offset drift(1)(2)(4) –0.9 ±0.1 0.9 µV/°C
CMRR Common-mode rejection ratio fIN = 0 Hz, VCM min ≤ VCM ≤ VCM max –100 dB
fIN = 10 kHz, VCM min ≤ VCM ≤ VCM max –98
RIN Single-ended input resistance INN = GND1 19 kΩ
RIND Differential input resistance 22 kΩ
IIB Input bias current INP = INN = GND1; IIB = (IIBP + IIBN) / 2 –41 –30 –24 µA
IIO Input offset current IIO = IIBP – IIBN; INP = INN = GND1 ±5 nA
CIN Single-ended input capacitance INN = GND1, fIN = 275 kHz 2 pF
CIND Differential input capacitance fIN = 275 kHz 1 pF
ANALOG OUTPUT
Nominal gain 8.2 V/V
EG Gain error(1) TA = 25°C –0.3% ±0.04% 0.3%
TCEG Gain drift(1)(5) –30 ±5 30 ppm/°C
Nonlinearity(1) –0.03% ±0.01% 0.03%
THD Total harmonic distortion(3) fIN = 10 kHz –85 dB
Output noise INP = INN = GND1, fIN = 0 Hz,
BW = 100 kHz brickwall filter		 230 µVRMS
SNR Signal-to-noise ratio fIN = 1 kHz, BW = 10 kHz 81.5 85 dB
fIN = 10 kHz, BW = 100 kHz 72
PSRR Power-supply rejection ratio(2) PSRR vs VDD1, at DC –100 dB
PSRR vs VDD1,
100-mV and 10-kHz ripple		 –96
PSRR vs VDD2, at DC –106
PSRR vs VDD2,
100-mV and 10-kHz ripple		 –86
VCMout Common-mode output voltage 1.39 1.44 1.49 V
VCLIPout Clipping differential output voltage VOUT = (VOUTP – VOUTN);
|VIN| = |VINP – VINN| > |VClipping|		 –2.52 ±2.49 2.52 V
VFailsafe Failsafe differential output voltage VDD1 missing –2.63 –2.57 –2.53 V
BW Output bandwidth 250 310 kHz
ROUT Output resistance On OUTP or OUTN < 0.2 Ω
Output short-circuit current On OUTP or OUTN, sourcing or sinking,
INN = INP = GND1, outputs shorted to
either GND2 or VDD2		 14 mA
CMTI Common-mode transient immunity 100 150 kV/µs
POWER SUPPLY
VDD1UV VDD1 undervoltage detection threshold VDD1 rising 2.5 2.7 2.9 V
VDD1 falling 2.4 2.6 2.8
VDD2UV VDD2 undervoltage detection threshold VDD2 rising 2.2 2.45 2.65 V
VDD2 falling 1.85 2.0 2.2
IDD1 High-side supply current 3.0 V ≤ VDD1 ≤ 3.6 V 6.3 8.5 mA
4.5 V ≤ VDD1 ≤ 5.5 V 7.2 9.8
IDD2 Low-side supply current 3.0 V ≤ VDD2 ≤ 3.6 V 5.3
7.2

 mA
4.5 V ≤ VDD2 ≤ 5.5 V 5.9 8.1
(1) The typical value includes one standard deviation (sigma) at nominal operating conditions.
(2) This parameter is input referred.
(3) THD is the ratio of the rms sum of the amplitudes of first five higher harmonics to the amplitude of the fundamental.
(4) Offset error temperature drift is calculated using the box method, as described by the following equation:
TCVOS = (ValueMAX - ValueMIN) / TempRange
(5) Gain error temperature drift is calculated using the box method, as described by the following equation:
TCEG (ppm) = (ValueMAX - ValueMIN) / (Value(T=25℃) x TempRange) x 106
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