Overview
The SMP04ES, produced by Analog Devices Inc., is a monolithic quad sample-and-hold amplifier. This device is designed to provide high accuracy and low droop rates, making it ideal for various sample-and-hold applications. The SMP04ES features four independent sample-and-hold circuits, each with internal precision buffer amplifiers and hold capacitors. It is manufactured using ADI’s advanced oxide isolated CMOS technology, ensuring high performance and reliability.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|---|
| Linearity Error | - | - | - | 0.01% | - | % |
| Buffer Offset Voltage | VOS | VIN = 6 V | -10 | ±2.5 | +10 | mV |
| Hold Step | VHS | VIN = 6 V, TA = +25°C to +85°C | - | 4 | - | mV |
| Droop Rate | ∆V/∆t | VIN = 6 V, TA = +25°C | - | 2 | 25 | mV/s |
| Output Source Current | ISOURCE | VIN = 6 V | - | - | 1.2 | mA |
| Output Sink Current | ISINK | VIN = 6 V | - | - | 0.5 | mA |
| Output Voltage Range | OVR | RL = 20 kΩ | 0.06 | - | 10.0 | V |
| Logic Input High Voltage | VINH | - | - | - | 2.4 | V |
| Logic Input Low Voltage | VINL | - | - | - | 0.8 | V |
| Logic Input Current | IIN | - | 0.5 | - | 1 | µA |
| Acquisition Time | tAQ | TA = +25°C, 0 V to 10 V Step to 0.1% | 3.5 | - | 4.25 | µs |
Key Features
- Four independent sample-and-hold circuits with internal precision buffer amplifiers and hold capacitors.
- High accuracy and very low droop rate (2 mV/s typical).
- Output buffers stable for capacitive loads up to 500 pF.
- TTL/CMOS compatible logic inputs.
- Single or dual supply operation over a voltage range of 7 to 15 volts.
- Internally regulated TTL supply for compatibility over the full supply range.
- Low power CMOS design.
- Available in 16-lead hermetic or plastic DIP and surface mount SOIC packages.
- Specified over the extended industrial temperature range of -40°C to +85°C.
Applications
- Signal processing systems.
- Multichannel data acquisition systems.
- Automatic test equipment.
- Medical and analytical instrumentation.
- Event analysis and DAC deglitching.
- Multiplexed quad DAC applications, such as demultiplexing a single DAC converter’s output into four separate analog outputs.
Q & A
- What is the primary function of the SMP04ES?
The SMP04ES is a monolithic quad sample-and-hold amplifier designed to provide high accuracy and low droop rates for various sample-and-hold applications.
- What are the key specifications of the SMP04ES in terms of linearity error and buffer offset voltage?
The linearity error is 0.01%, and the buffer offset voltage (VOS) is ±2.5 mV with VIN = 6 V.
- What is the typical droop rate of the SMP04ES?
The typical droop rate is 2 mV/s.
- What are the output source and sink currents of the SMP04ES?
The output source current (ISOURCE) is 1.2 mA, and the output sink current (ISINK) is 0.5 mA with VIN = 6 V.
- What is the output voltage range of the SMP04ES?
The output voltage range is from 0.06 V to 10.0 V with RL = 20 kΩ.
- Is the SMP04ES compatible with TTL/CMOS logic inputs?
Yes, the SMP04ES has TTL/CMOS compatible logic inputs.
- What are the power supply options for the SMP04ES?
The SMP04ES can operate from single or dual power supplies over a voltage range of 7 to 15 volts.
- What are some common applications of the SMP04ES?
Common applications include signal processing systems, multichannel data acquisition systems, automatic test equipment, medical and analytical instrumentation, and DAC deglitching.
- What are the package options available for the SMP04ES?
The SMP04ES is available in 16-lead hermetic or plastic DIP and surface mount SOIC packages.
- What is the temperature range over which the SMP04ES is specified?
The SMP04ES is specified over the extended industrial temperature range of -40°C to +85°C.
