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| Operational Transconductance Amplifier |
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 | CA3080 | | Operational Transconductance Amplifier |
| | | BW (MHz) |  | 2 | | | SR (V/μs) | | 75 | | | VS (min) (V) | | ±2 | | | VS (max) (V) | | ±15 | | | IS (per amp) (mA) | | 1 | | | IBIAS (μA) | | 2000 | | | VOS (max) (mV) | | .3 | | | # of Devices/ Channels | | 1 | | | Rail-to-Rail Input | | N | | | PSRR (dB) | | N/A | | | CMRR (dB) | | 110 | | | Gain AV (min) | | 1 | | | AVOL or AZOL (dB or V/mV) | | N/A | |
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| Key Features |
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Slew Rate (Unity Gain, Compensated) 50V/µs
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Adjustable Power Consumption 10µW to 30µW
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Flexible Supply Voltage Range ±2V to ±15V
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Fully Adjustable Gain 0 to gMRL Limit
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Tight gM Spread:
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Extended gM Linearity 3 Decades
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| Description |
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 High- Performance 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/µs), 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. |
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| Part No. | Design-In
Status | Temp. | Package | MSL | Price
US $ |  | | | | |
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| CA3080E |
InActive |
Comm |
8 Ld PDIP |
N/A |
N/A |
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| CA3080M |
InActive |
Comm |
8 Ld SOIC |
1 |
N/A |
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| CA3080M96 |
InActive |
Comm |
8 Ld SOIC |
1 |
N/A |
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| The price listed is the manufacturer's suggested retail price for quantities of 1K units. However, prices in today's market are fluid and may change without notice. |
| MSL = Moisture Sensitivity Level - per IPC/JEDEC J-STD-020 |
| SMD = Standard Microcircuit Drawing |
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| Application Note(s): |
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| Applications | - Sample and Hold
- Multiplier
- Multiplexer
- Comparator
- Voltage Follower
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