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OPA4206

ACTIVO

Amplificador operacional de cuatro canales con protección contra sobretensiones de entrada, de baja

Detalles del producto

Number of channels 4 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 36 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 4.5 Vos (offset voltage at 25°C) (max) (mV) 0.025 Offset drift (typ) (µV/°C) 0.04 Input bias current (max) (pA) 500 GBW (typ) (MHz) 3.6 Features EMI Hardened, Overvoltage protection, Super Beta, e-Trim™ Slew rate (typ) (V/µs) 3.2 Rail-to-rail Out Iq per channel (typ) (mA) 0.22 Vn at 1 kHz (typ) (nV√Hz) 8 CMRR (typ) (dB) 140 Rating Catalog Operating temperature range (°C) -40 to 125 Architecture Bipolar Input common mode headroom (to negative supply) (typ) (V) 1 Input common mode headroom (to positive supply) (typ) (V) -1.4 Output swing headroom (to negative supply) (typ) (V) 0.2 Output swing headroom (to positive supply) (typ) (V) 0.2 THD + N at 1 kHz (typ) (%) 0.0004
Number of channels 4 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 36 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 4.5 Vos (offset voltage at 25°C) (max) (mV) 0.025 Offset drift (typ) (µV/°C) 0.04 Input bias current (max) (pA) 500 GBW (typ) (MHz) 3.6 Features EMI Hardened, Overvoltage protection, Super Beta, e-Trim™ Slew rate (typ) (V/µs) 3.2 Rail-to-rail Out Iq per channel (typ) (mA) 0.22 Vn at 1 kHz (typ) (nV√Hz) 8 CMRR (typ) (dB) 140 Rating Catalog Operating temperature range (°C) -40 to 125 Architecture Bipolar Input common mode headroom (to negative supply) (typ) (V) 1 Input common mode headroom (to positive supply) (typ) (V) -1.4 Output swing headroom (to negative supply) (typ) (V) 0.2 Output swing headroom (to positive supply) (typ) (V) 0.2 THD + N at 1 kHz (typ) (%) 0.0004
TSSOP (PW) 14 32 mm² (5 mm × 6.4 mm) SOIC (D) 14 51.9 mm² (8.65 mm × 6 mm)
  • Integrated input overvoltage protection up to ±40 V beyond supplies
  • e-trim™ operational amplifier performance
    • Low offset voltage: 25 µV (max)
    • Low offset voltage drift: ±0.5 µV/°C (max)
  • Super beta inputs
    • Input bias current: 500 pA (max)
    • Input current noise: 110 fA/√ Hz
  • Low noise
    • 0.1-Hz to 10-Hz: 0.2 µV PP
    • Voltage noise: 8 nV/√ Hz
  • A OL, CMRR, and PSRR: > 124 dB (full temperature range)
  • Gain bandwidth product: 3.6 MHz
  • Low quiescent current: 240 µA (max)
  • Slew rate: 4 V/µs
  • Overload power limiter
  • Rail-to-rail output
  • EMI and RFI filtered inputs
  • Wide supply: 4.5 V to 36 V
  • Temperature range: –40°C to +125°C
  • Integrated input overvoltage protection up to ±40 V beyond supplies
  • e-trim™ operational amplifier performance
    • Low offset voltage: 25 µV (max)
    • Low offset voltage drift: ±0.5 µV/°C (max)
  • Super beta inputs
    • Input bias current: 500 pA (max)
    • Input current noise: 110 fA/√ Hz
  • Low noise
    • 0.1-Hz to 10-Hz: 0.2 µV PP
    • Voltage noise: 8 nV/√ Hz
  • A OL, CMRR, and PSRR: > 124 dB (full temperature range)
  • Gain bandwidth product: 3.6 MHz
  • Low quiescent current: 240 µA (max)
  • Slew rate: 4 V/µs
  • Overload power limiter
  • Rail-to-rail output
  • EMI and RFI filtered inputs
  • Wide supply: 4.5 V to 36 V
  • Temperature range: –40°C to +125°C

The OPA206, OPA2206, and OPA4206 ( OPAx206) are the next generation of the industry-standard OPAx277 family with the added feature of input overvoltage protection. These precision, bipolar, e‑trim ™ op amps with super-beta inputs use TI’s proprietary trimming technology to achieve an input offset voltage of ±4 µV (typical) and an input offset voltage drift of ±0.08 µV/°C (typical). The input overvoltage protection activates when the input signal exceeds the supply range and protects up to 40 V beyond either supply. This feature eliminates the need for external circuitry to prevent amplifier damage, thereby reducing size and costs.

The OPAx206 provide a speed-to-power ratio of 3.6 MHz for a mere 220 µA (typical). These devices also achieve a low voltage noise density of only 8 nV/√ Hz at 1 kHz. The super-beta inputs of the OPAx206 have a very low input bias current of 100 pA (typical) and a current noise density of 110 fA/√ Hz.

The high performance of the OPAx206 make these devices an excellent choice for systems requiring high precision and low power consumption, such as high-density analog input modules in programmable logic controllers, field and portable instrumentation systems, and source measurement units. The OPA205 and OPA2205 are related devices with the same op amp core without the input protection, but with improved broadband noise (7.2 nV/√ Hz).

The OPA206, OPA2206, and OPA4206 ( OPAx206) are the next generation of the industry-standard OPAx277 family with the added feature of input overvoltage protection. These precision, bipolar, e‑trim ™ op amps with super-beta inputs use TI’s proprietary trimming technology to achieve an input offset voltage of ±4 µV (typical) and an input offset voltage drift of ±0.08 µV/°C (typical). The input overvoltage protection activates when the input signal exceeds the supply range and protects up to 40 V beyond either supply. This feature eliminates the need for external circuitry to prevent amplifier damage, thereby reducing size and costs.

The OPAx206 provide a speed-to-power ratio of 3.6 MHz for a mere 220 µA (typical). These devices also achieve a low voltage noise density of only 8 nV/√ Hz at 1 kHz. The super-beta inputs of the OPAx206 have a very low input bias current of 100 pA (typical) and a current noise density of 110 fA/√ Hz.

The high performance of the OPAx206 make these devices an excellent choice for systems requiring high precision and low power consumption, such as high-density analog input modules in programmable logic controllers, field and portable instrumentation systems, and source measurement units. The OPA205 and OPA2205 are related devices with the same op amp core without the input protection, but with improved broadband noise (7.2 nV/√ Hz).

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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos OPAx206 Input-Overvoltage-Protected, 4-µV, 0.08-µV/°C, Low-PowerSuper Beta, e-trim™ Operational Amplifiers datasheet (Rev. E) PDF | HTML 7/12/2023
Circuit design Output Overvoltage Protection Circuit for Voltage DACs With an External Feedback Pin PDF | HTML 29/07/2025
Circuit design Output Overvoltage Protection Circuit for Voltage DACs Without an External Feedback Pin PDF | HTML 18/06/2025

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