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OPA445AU

High Voltage FET-Input Operational Amplifier

email Email: [email protected]
skype Skype: live:.cid.ab6b29428937b76
tel Tel: +852 95804164

OPA445AU General Description

The OPA445 is a monolithic operational amplifier capable of operation from power supplies up to ±45V and output currents of 15mA. It is useful in a wide variety of applications requiring high output voltage or large common-mode voltage swings.

The OPA445's high slew rate provides wide powerbandwidth response, which is often required for high-voltage applications. FET input circuitry allows the use of high-impedance feedback networks, thus minimizing their output loading effects. Laser trimming of the input circuitry yields low input offset voltage and drift.

The OPA445 is available in standard pinout TO-99, DIP-8, and SO-8 surface-mount packages as well as an SO-8 PowerPAD package for reducing junction temperature. It is fully specified from -25°C to +85°C and operates from -55°C to +125°C. A SPICE macromodel is available for design analysis (from www.ti.com).

opa445au opa445au

Key Features

  • WIDE-POWER SUPPLY RANGE: ±10V to ±45V
  • HIGH SLEW RATE: 15V/µs
  • LOW INPUT BIAS CURRENT: 10pA
  • STANDARD-PINOUT TO-99, DIP, SO-8 PowerPAD™, AND SO-8 SURFACE-MOUNT PACKAGES
  • APPLICATIONS
    • TEST EQUIPMENT
    • HIGH-VOLTAGE REGULATORS
    • POWER AMPLIFIERS
    • DATA ACQUISITION
    • SIGNAL CONDITIONING
    • AUDIO
    • PIEZO DRIVERS

PowerPAD is a trademark of Texas Instruments, Inc. All other trademarks are the property of their respective owners.

opa445au opa445au
opa445au

Specifications

Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 20
Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 90 Iout (typ) (A) 0.026
GBW (typ) (MHz) 2 Slew rate (typ) (V/µs) 15
Vos (offset voltage at 25°C) (max) (mV) 3 Offset drift (typ) (V/°C) 0.00001
Iq per channel (typ) (mA) 4.2 Rating Catalog
Operating temperature range (°C) -50 to 125, -55 to 125 Input bias current (max) (pA) 50
CMRR (typ) (dB) 95 Rail-to-rail No
Architecture FET feature-type High Voltage Amplifier
feature-number-of-channels-per-chip 1 feature-rail-to-rail
feature-process-technology feature-output-type
feature-maximum-input-offset-voltage-mv 5@±40V feature-maximum-supply-current-ma
feature-maximum-input-offset-current-ua 0.00004@±40V feature-maximum-input-bias-current-ua 0.0001@±40V
feature-maximum-power-dissipation-mw feature-typical-slew-rate-v-us 15@±40V
feature-typical-gain-bandwidth-product-mhz 2 feature-shut-down-support No
feature-packaging Tube feature-rad-hard
feature-pin-count 8 feature-cecc-qualified No
feature-esd-protection Yes feature-escc-qualified
feature-military No feature-aec-qualified No
feature-aec-qualified-number feature-auto-motive No
feature-p-pap No feature-eccn-code EAR99
feature-svhc Yes feature-svhc-exceeds-threshold No

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D
D**n 07/23/2021

Thanks to the seller. The goods are good.

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Availability: 7421 PCS

+BOM
Qty. Unit Price Ext. Price
1+ $10.914 $10.91
10+ $9.600 $96.00
30+ $8.799 $263.97
100+ $8.128 $812.80

The prices below are for reference only.

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