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OPA615IDGST
Wide Bandwidth, DC Restoration Circuit
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Manufacturer:
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Mfr.Part #:
OPA615IDGST
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Datasheet:
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Applications:
DC Restoration
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Number of Circuits:
1
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-3db Bandwidth:
710 MHz
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Slew Rate:
2500V/µs
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EDA/CAD Models:
Availability: 4299 PCS
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OPA615IDGST General Description
The OPA615 is a complete subsystem for very fast and precise DC restoration, offset clamping, and low-frequency hum suppression of wideband amplifiers or buffers. Although it is designed to stabilize the performance of video signals, the circuit can also be used as a sample-and-hold amplifier, high-speed integrator, or peak detector for nanosecond pulses. The device features a wideband Operational Transconductance Amplifier (OTA) with a high-impedance cascode current source output and fast and precise sampling comparator that together set a new standard for high-speed applications. Both the OTA and the sampling comparator can be used as stand-alone circuits or combined to form a more complex signal processing stage. The self-biased, bipolar OTA can be viewed as an ideal voltage-controlled current source and is optimized for low input bias current. The sampling comparator has two identical high-impedance inputs and a current source output optimized for low output bias current and offset voltage; it can be controlled by a TTL-compatible switching stage within a few nanoseconds. The transconductance of the OTA and sampling comparator can be adjusted by an external resistor, allowing bandwidth, quiescent current, and gain trade-offs to be optimized.
The OPA615 is available in both an SO-14 surface-mount and an MSOP-10 package.
Key Features
- PROPAGATION DELAY: 1.9ns
- BANDWIDTH:
OTA: 710MHz
Comparator: 730MHz - LOW INPUT BIAS CURRENT: ±1µA
- SAMPLE-AND-HOLD SWITCHING TRANSIENTS: ±5mV
- SAMPLE-AND-HOLD FEEDTHROUGH REJECTION: 100dB
- CHARGE INJECTION: 40fC
- HOLD COMMAND DELAY TIME: 2.5ns
- TTL/CMOS HOLD CONTROL
- APPLICATIONS
- BROADCAST/HDTV EQUIPMENT
- TELECOMMUNICATIONS EQUIPMENT
- HIGH-SPEED DATA ACQUISITION
- CAD MONITORS/CCD IMAGE PROCESSING
- NANOSECOND PULSE INTEGRATOR/PEAK DETECTOR
- PULSE CODE MODULATOR/DEMODULATOR
- COMPLETE VIDEO DC LEVEL RESTORATION
- SAMPLE-AND-HOLD AMPLIFIER
- SHC615 UPGRADE
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Specifications
Category | Integrated Circuits (ICs)LinearAmplifiersVideo Amps and Modules | Series | - |
Applications | DC Restoration | Output Type | - |
Number of Circuits | 1 | -3db Bandwidth | 710 MHz |
Slew Rate | 2500V/µs | Current - Supply | 13 mA |
Current - Output / Channel | 20 mA | Voltage - Supply, Single/Dual (±) | ±4V ~ 6.2V |
Mounting Type | Surface Mount | Base Product Number | OPA615 |
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Availability: 4299 PCS
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