HomedatasheetCA3080E

CA3080E Datasheet

Operational Transconductance Amplifier
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Description

Features, Applications

The CA3080 and CA3080A types are Gatable-Gain Blocks which utilize the unique operational-transconductanceamplifier (OTA) concept described in Application Note AN6668, "Applications of the CA3080 and CA3080A HighPerformance Operational Transconductance Amplifiers". The CA3080 and CA3080A types have differential input and a single-ended, push-pull, class A output. In addition, these types have an amplifier bias input which may be used either for gating or for linear gain control. These types also have a high output impedance and their transconductance (gM) is directly proportional to the amplifier bias current (IABC). The CA3080 and CA3080A types are notable for their excellent slew rate (50V/�s), which makes them especially useful for multiplexer and fast unity-gain voltage followers. These types are especially applicable for multiplexer applications because power is consumed only when the devices are in the "ON" channel state. The CA3080A's characteristics are specifically controlled for applications such as sample-hold, gain-control, multiplexing, etc.

Features

Slew Rate (Unity Gain, Compensated). 50V/�s Adjustable Power Consumption. to 30�W Flexible Supply Voltage Range. to �15V Fully Adjustable Gain.0 to gMRL Limit Tight gM Spread: CA3080A. 1.6:1 Extended gM Linearity. 3 Decades

Applications
Sample and Hold Multiplexer Voltage Follower Multiplier Comparator
NC INV. INPUT NC V+ OUTPUT AMPLIFIER BIAS INPUT

PART NUMBER (BRAND) CA3080M96 (3080) TEMP. RANGE ( oC) to 70 PACKAGE 8 Ld PDIP 8 Ld SOIC 8 Ld SOIC Tape and Reel 8 Ld PDIP 8 Ld SOIC 8 Ld SOIC Tape and Reel PKG. NO. E8.3 M8.15

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright � Intersil Americas Inc. 2002. All Rights Reserved

Supply Voltage (Between V+ and V- Terminal). 36V Differential Input Voltage. 5V Input Voltage. V+ to VInput Signal Current. 1mA Amplifier Bias Current (IABC). 2mA Output Short Circuit Duration (Note 1). No Limitation

Thermal Resistance (Typical, Note JA ( oC/W) JC (oC/W) PDIP Package. 130 N/A SOIC Package. 170 N/A Maximum Junction Temperature (Plastic Package). 150oC Maximum Storage Temperature Range. to 150oC Maximum Lead Temperature (Soldering 10s). 300oC (SOIC - Lead Tips Only)

CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.

NOTES: 1. Short circuit may be applied to ground or to either supply. JA is measured with the component mounted on an evaluation PC board in free air.

Input Offset Voltage Change Input Offset Voltage Temp. Drift Input Offset Voltage Sensitivity Input Offset Current Input Bias Current Positive Negative

Differential Input Current Amplifier Bias Voltage Input Resistance Input Capacitance Input-to-Output Capacitance Common-Mode Input-Voltage Range Forward Transconductance (Large Signal) Output Capacitance Output Resistance Peak Output Current

IABC = 0, VDIFF = 4V IABC = 500�A IABC = 500�A IABC = 1MHz IABC = 1MHz IABC = 500�A IABC = 500�A IABC = 1MHz IABC = 500�A IABC = 0 IABC = 0

PARAMETER Peak Output Voltage Positive Negative Positive Negative Amplifier Supply Current Device Dissipation Magnitude of Leakage Current Propagation Delay Common-Mode Rejection Ratio Open-Loop Bandwidth Slew Rate IABC = 500�A IABC = 500�A IABC = 0, VTP = 0 IABC = 0, VTP = 36V IABC = 500�A IABC = 500�A IABC = 500�A Uncompensated Compensated IABC RL = For Equipment Design, VSUPPLY = �15V, Unless Otherwise Specified (Continued) CA3080 TEST CONDITIONS IABC RL = TEMP MIN TYP MAX 1.2 36 MIN CA3080A TYP MAX UNITS ns dB MHz V/�s

Typical Applications

FIGURE 1. SCHEMATIC DIAGRAM OF THE CA3080 AND IN A UNITY-GAIN VOLTAGE FOLLOWER CONFIGURATION AND ASSOCIATED WAVEFORM


Features

Parameters

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Manufacturer information

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