TLP7920

Photocoupler(Isolation Amplifier)

  • Related Reference Design(2)

Description

Feature Sigma-delta(Σ-Δ)analog-to-digital converter technology / Optical coupled isolation amplifier
Application Scope Motor Phase Current and voltage Sensing / Inverter Current and voltage Sensing
Function Isolation Amplifier
Number of Circuits 1
Output Interface Analog output
RoHS Compatible Product(s) (#) Available
Safety Standard Approved : UL 1577 / cUL (CSA Component Acceptance Service No. 5A) / EN 60747-5-5 (VDE) / EN IEC 62368-1 (VDE)

*Download Online Certification of Safety Standard(UL 1577)
*Download Online Certification of Safety Standard(cUL)

Package Information

Toshiba Package Name DIP8
Package Image DIP8
Pins 8
Mounting Through Hole/Surface Mount
Width×Length×Height
(mm)
9.66×7.62×3.65
Package Dimensions View
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(Note1)(Note3)

SamacSys CAD model
(Symbol, Footprint and 3D model)
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(Note2)(Note3)

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(Note1)

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(Note2)

SamacSys is a wholly owned subsidiary of Supplyframe, Inc. CAD models (Symbol/Footprint /3D model) are provided by Supplyframe, Inc. The footprints are generated based on the specifications of SamacSys.

(Note3)

Please note that the footprint dimensions may differ from the reference Land Pattern dimensions provided on our website.

Absolute Maximum Ratings

Characteristics Symbol Rating Unit
power supply voltage VDD1,VDD2 -0.5 to 6.0 V
operating temprature Topr -40 to 105

Electrical Characteristics

Characteristics Symbol Condition Value Unit
Isolation voltage BVs
@1minute (Min)
BVS t=60sec 5000 Vrms
common mode transient immunity (Min) CMTI - 15 kV/μs
common mode transient immunity (Typ.) CMTI - 20 kV/μs
Input offset voltage drift vs ambient temperature(Max) |dVOS/dTa| - 10 μV/℃
Input offset voltage drift vs ambient temperature(Typ.) |dVOS/dTa| - 3 μV/℃
Gain rank A (+/- 1.0%)(Max) G1 Ta=25℃ 8.28 V/V
Gain rank A (+/- 1.0%)(Min) G1 Ta=25℃ 8.12 V/V
Gain rank A (+/- 1.0%)(Typ.) G1 Ta=25℃ 8.2 V/V
Gain rank B (+/- 0.5%)(Max) G0 Ta=25℃ 8.24 V/V
Gain rank B (+/- 0.5%)(Min) G0 Ta=25℃ 8.16 V/V
Gain rank B (+/- 0.5%)(Typ.) G0 Ta=25℃ 8.2 V/V
Gain rank none (+/- 3.0%)(Max) G3 Ta=25℃ 8.44 V/V
Gain rank none (+/- 3.0%)(Min) G3 Ta=25℃ 7.95 V/V
Gain rank none (+/- 3.0%)(Typ.) G3 Ta=25℃ 8.2 V/V
Input side supply current (VDD1) (Max) IDD1 VIN+=0V 12 mA
Input side supply current (VDD1) (Typ.) IDD1 VIN+=0V 8.6 mA
Output side supply current (VDD2)(Max) IDD2 VIN+=0V 10 mA
Output side supply current (VDD2) IDD2 VIN+=0V 6.2 mA
Output nonlinearity (±200mV) (Max) NL200 Ta=25℃
VIN+>=-200mV
VIN+<=200mV
0.13 %
Output nonlinearity (±200mV) (Typ.) NL200 Ta=25℃
VIN+>=-200mV
VIN+<=200mV
0.02 %
R_IN - 80
Propagation delay time (10% - 10%) (Max) (V_IN+=0 to 200mV/microsec step) tpD10 CL=15pF 2.3 μs
Propagation delay time (10% - 10%) (Typ.) (V_IN+=0 to 200mV/microsec step) tpD10 CL=15pF 1.9 μs
Propagation delay time (50% - 50%) (Max) (V_IN+=0 to 200mV/microsec step) tpD50 CL=15pF 2.6 μs
Propagation delay time (50% - 50%) (Typ.) (V_IN+=0 to 200mV/microsec step) tpD50 CL=15pF 2.3 μs
Propagation delay time (90% - 90%) (Max) (V_IN+=0 to 200mV/microsec step) tpD90 CL=15pF 3.3 μs
Propagation delay time (90% - 90%) (Typ.) (V_IN+=0 to 200mV/microsec step) tpD90 CL=15pF 2.8 μs
Input side supply voltage VDD1 - 4.5 to 5.5 V
Output side supply voltage VDD2 - 3.0 to 5.5 V
Input offset voltage(Max) VOS Ta=25℃ 2.1 mV
Input offset voltage(Min) VOS Ta=25℃ -0.7 mV
Input offset voltage(Typ.) VOS Ta=25℃ 0.73 mV
Gain drift vs ambient temperature |dG/dTa| - 0.00012 V/V/degC
Purchase and Sample
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You can search for and purchase a small on-line sample by clicking on the following link.

Document

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Jul,2023

Mar,2023

Jan,2025

Jan,2025

Orderable part number

Orderable part number
(example)
MOQ(pcs) Reliability
Information
RoHS ACCURACY VDE
TLP7920(A-LF1,F 50 Yes A-rank(±1%) -
TLP7920(B-LF1,F 50 Yes B-rank(±0.5%) -
TLP7920(D4-LF1,F 50 Yes - Yes
TLP7920(D4ALF1,F 50 Yes A-rank(±1%) Yes
TLP7920(D4BLF1,F 50 Yes B-rank(±0.5%) Yes
TLP7920(LF1,F 50 Yes - -

Reference Design

Application block diagram of application circuit (current sensing) of the TLP7920 isolation amplifier.
Application Circuit (Current sensing) of the TLP7920 Isolation Amplifier
This reference design provides design guide and example of simulation waveform for phase current detection with optical isolation amplifier for motor control of servo and inverter.
Application block diagram of application circuit (voltage sensing) of the TLP7920 isolation amplifier.
Application Circuit (Voltage sensing) of the TLP7920 Isolation Amplifier
This reference design provides design guide and example of simulation waveform for bus voltage detection with optical isolation amplifier for motor control of servo and inverter.

Technical inquiry

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