Overview
The MX7575TQ/883B, produced by Analog Devices Inc./Maxim Integrated, is a high-speed, microprocessor-compatible, 8-bit analog-to-digital converter (ADC). This component is designed for fast and accurate conversions, making it suitable for a variety of applications requiring high-speed data acquisition. The MX7575 features an on-chip track/hold function, allowing it to handle full-scale signals up to 50kHz with a slew rate of 386mV/µs. It operates on a +5V supply and uses a successive-approximation technique for conversions, ensuring low power dissipation.
Key Specifications
| Parameter | Unit | Min | Typ | Max |
|---|---|---|---|---|
| Supply Voltage (VDD) | V | 4.75 | 5 | 5.25 |
| Reference Voltage (VREF) | V | 1.23 | ||
| Input Voltage Range | V | 0 | 2VREF | |
| Conversion Time (Internal Clock) | µs | 5 | 15 | |
| Conversion Time (External Clock) | µs | 5 | 10 | |
| Resolution | Bits | 8 | ||
| Signal-to-Noise Ratio (SNR) | dB | 45 | ||
| Slew Rate, Tracking | V/µs | 0.386 | ||
| DC Input Impedance | MΩ | 10 | ||
| Offset Error | LSB | ±1/2 | ||
| Full-Scale Error | LSB | ±1 | ||
| Total Unadjusted Error (TUE) | LSB | ±2 | ||
| Supply Current (IDD) | mA | 3 | 7 | 6 |
Key Features
- High-speed conversions: 5µs and 10µs conversion times with internal and external clocks, respectively.
- On-chip track/hold function: Allows accurate acquisition and digitization of full-scale signals up to 50kHz.
- Successive-approximation technique: Ensures fast conversions and low power dissipation.
- Microprocessor compatibility: Easily interfaced with popular 8-bit microprocessors using standard CS and RD control signals.
- Latched and three-state buffered data outputs: Facilitates easy data access and bus management.
- External reference voltage: Requires a 1.23V external reference voltage.
Applications
The MX7575TQ/883B is suitable for various high-speed data acquisition applications, including:
- Industrial control systems: Where fast and accurate analog-to-digital conversions are necessary.
- Medical devices: For applications requiring precise and rapid data acquisition.
- Aerospace and defense: In systems that demand high reliability and speed in data conversion.
- Automotive systems: For real-time monitoring and control in automotive applications.
Q & A
- What is the conversion time of the MX7575TQ/883B with an internal clock?
The conversion time with an internal clock is between 5µs and 15µs. - What is the resolution of the MX7575TQ/883B?
The resolution is 8 bits. - What is the input voltage range for the MX7575TQ/883B?
The input voltage range is from 0V to 2VREF. - How does the MX7575TQ/883B interface with microprocessors?
It interfaces easily with popular 8-bit microprocessors using standard CS and RD control signals. - What is the slew rate of the track/hold function in the MX7575TQ/883B?
The slew rate is 386mV/µs. - What is the supply voltage for the MX7575TQ/883B?
The supply voltage is +5V. - What is the signal-to-noise ratio (SNR) of the MX7575TQ/883B?
The SNR is 45 dB. - Does the MX7575TQ/883B have an on-chip track/hold function?
Yes, it does. - What is the DC input impedance of the MX7575TQ/883B?
The DC input impedance is 10 MΩ. - What is the total unadjusted error (TUE) of the MX7575TQ/883B?
The TUE is ±2 LSB.
