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Vedi Specifiche Tecniche

OPA861ID

Wide Bandwidth Operational Transconductance Amplifier

Produttore:

Texas Instruments, Inc
ProduttorePart #:

OPA861ID
Scheda dati:

OPA861ID Scheda dati (PDF)
Amplifier Type:

Transconductance
Number of Circuits:

1
Slew Rate:

900V/µs
Gain Bandwidth Product:

80 MHz
EDA/CAD Modelli:

Richiedi modelli CAD gratuiti per OPA861ID

E-mail: [email protected]

Skype: live:.cid.ab6b29428937b76

tel: +852 95804164

OPA861ID Descrizione generale

The OPA861 is a versatile monolithic component designed for wide-bandwidth systems, including high performance video, RF and IF circuitry. The OPA861 is a wideband, bipolar operational transconductance amplifier (OTA).

The OTA or voltage-controlled current source can be viewed as an ideal transistor. Like a transistor, it has three terminals—a high impedance input (base), a low-impedance input/output (emitter), and the current output (collector). The OPA861, however, is self-biased and bipolar. The output collector current is zero for a zero base-emitter voltage. AC inputs centered about zero produce an output current, which is bipolar and centered about zero. The transconductance of the OPA861 can be adjusted with an external resistor, allowing bandwidth, quiescent current, and gain trade-offs to be optimized.

Used as a basic building block, the OPA861 simplifies the design of AGC amplifiers, LED driver circuits for fiber optic transmission, integrators for fast pulses, fast control loop amplifiers and control amplifiers for capacitive sensors, and active filters. The OPA861 is available in SO-8 and SOT23-6 surface-mount packages.

Caratteristiche principali

Wide Bandwidth (80MHz, Open-Loop, G = +5)
High Slew Rate (900V/µs)
High Transconductance (95mA/V)
External I_Q-Control
Low Quiescent Current (5.4mA)

APPLICATIONS

Video/Broadcast Equipment
Communications Equipment
High-Speed Data Acquisition
Wideband LED Drivers
Control Loop Amplifiers
Wideband Active Filters
Line Drivers

Specifiche

Category	Integrated Circuits (ICs)LinearAmplifiersInstrumentation, OP Amps, Buffer Amps	Series	-
Amplifier Type	Transconductance	Number of Circuits	1
Output Type	-	Slew Rate	900V/µs
Gain Bandwidth Product	80 MHz	Current - Input Bias	1 µA
Voltage - Input Offset	3 mV	Current - Supply	5.4mA
Current - Output / Channel	15 mA	Voltage - Supply Span (Min)	4 V
Voltage - Supply Span (Max)	12.6 V	Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount	Base Product Number	OPA861

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