Overview
The SMP08FSZ-REEL, produced by Analog Devices Inc., is a monolithic octal sample-and-hold amplifier. This device integrates eight internal buffer amplifiers, an input multiplexer, and internal hold capacitors. It is designed to provide high accuracy and stability in sampling and holding analog signals, making it suitable for a variety of applications requiring precise signal processing.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Units |
|---|---|---|---|---|---|---|
| Linearity Error | - | -3 V ≤ VIN ≤ +3 V | - | 0.01 % | - | - |
| Buffer Offset Voltage | VOS | TA = +25°C, VIN = 0 V | 2.5 | 10 | 20 | mV |
| Hold Step | VHS | VIN = 0 V, TA = +25°C to +85°C | 2.5 | 4 | 5 | mV |
| Droop Rate | ∆VCH/∆t | TA = +25°C, VIN = 0 V | 2 | 20 | - | mV/s |
| Output Source Current | ISOURCE | VIN = 0 V | - | 1.2 | - | mA |
| Output Sink Current | ISINK | VIN = 0 V | - | 0.5 | - | mA |
| Output Voltage Range | - | RL = 20 kΩ | -3.0 | - | +3.0 | V |
| Logic Input High Voltage | VINH | - | - | 2.4 | - | V |
| Logic Input Low Voltage | VINL | - | - | 0.8 | - | V |
| Acquisition Time | tAQ | TA = +25°C, –3 V to +3 V to 0.1% | 3.6 | 7 | - | µs |
| Hold Mode Settling Time | tH | To ±1 mV of Final Value | - | 1 | - | µs |
| Channel Select Time | tCH | - | - | 90 | - | ns |
| Channel Deselect Time | tDCS | - | - | 45 | - | ns |
| Inhibit Recovery Time | tIR | - | - | 90 | - | ns |
| Slew Rate | SR | RL = 20 kΩ | - | 3 | 4 | V/µs |
| Supply Current | IDD | TA = +25°C | 4 | 7.5 | 9.5 | mA |
Key Features
- Monolithic octal sample-and-hold amplifier with eight internal buffer amplifiers and an input multiplexer.
- Internal hold capacitors for stable signal holding.
- Low buffer offset voltage (typically 10 mV at 25°C).
- Low hold step (typically 4 mV from 25°C to 85°C).
- High slew rate (typically 3 V/µs) and fast acquisition time (typically 7 µs).
- Low droop rate (typically 20 mV/s at 25°C).
- Capacitive load stability with less than 30% overshoot for 500 pF loads.
- High power supply rejection ratio (PSRR) of 60 dB to 75 dB.
Applications
The SMP08FSZ-REEL is suitable for various applications requiring precise analog signal sampling and holding, such as:
- Data acquisition systems.
- Medical devices.
- Industrial control systems.
- Automotive systems.
- Telecommunication equipment.
Q & A
- What is the primary function of the SMP08FSZ-REEL?
The SMP08FSZ-REEL is a monolithic octal sample-and-hold amplifier, designed to sample and hold analog signals with high accuracy. - How many internal buffer amplifiers does the SMP08FSZ-REEL have?
The SMP08FSZ-REEL has eight internal buffer amplifiers. - What is the typical buffer offset voltage of the SMP08FSZ-REEL?
The typical buffer offset voltage is 10 mV at 25°C. - What is the hold step of the SMP08FSZ-REEL?
The hold step is typically 4 mV from 25°C to 85°C. - What is the slew rate of the SMP08FSZ-REEL?
The slew rate is typically 3 V/µs. - What is the acquisition time of the SMP08FSZ-REEL?
The acquisition time is typically 7 µs. - What is the power supply rejection ratio (PSRR) of the SMP08FSZ-REEL?
The PSRR is 60 dB to 75 dB. - What are some common applications of the SMP08FSZ-REEL?
Common applications include data acquisition systems, medical devices, industrial control systems, automotive systems, and telecommunication equipment. - What is the supply current of the SMP08FSZ-REEL at 25°C?
The supply current is typically 7.5 mA at 25°C. - What is the capacitive load stability of the SMP08FSZ-REEL?
The SMP08FSZ-REEL has capacitive load stability with less than 30% overshoot for 500 pF loads.
