Overview
The AD7623ACP, manufactured by Analog Devices Inc., is a 16-bit, 1.33 MSPS (Mega Samples Per Second) PulSAR® (Successive Approximation Register) analog-to-digital converter (ADC). This device operates from a single 2.5 V power supply and is designed for high-speed and low-power applications. It features a charge redistribution SAR architecture, an internal conversion clock, an internal reference with a buffer, and error correction circuits. The AD7623ACP is available in a 48-lead lead frame chip-scale package (LFCSP_VQ) and operates over a temperature range of −40°C to +85°C, making it suitable for a variety of environments.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Resolution | 16 | - | - | Bits |
| Analog Input Voltage Range | -VREF | - | +VREF | V |
| Operating Input Voltage (VIN+, VIN- to AGND) | -0.1 | - | AVDD1 | V |
| Analog Input CMRR (fIN = 100 kHz) | 55 | - | - | dB |
| Input Current (1.33 MSPS throughput) | - | 10 | - | μA |
| Throughput Speed (Complete Cycle) | 750 | - | - | ns |
| Throughput Rate | 0 | - | 1.33 | MSPS |
| Integral Linearity Error (VREF = 2.048 V, PDREF = high) | -2 | - | +2 | LSB |
| Differential Linearity Error (VREF = 2.048 V, PDREF = high) | -1 | - | +2 | LSB |
Key Features
- Fast Throughput: The AD7623ACP operates at a throughput rate of 1.33 MSPS, making it suitable for high-speed applications.
- Superior Linearity: The device has no missing 16-bit codes and features low integral and differential linearity errors.
- Internal Reference: It includes a 2.048 V internal reference with a typical drift of ±7 ppm/°C.
- Single-Supply Operation: The ADC operates from a single 2.5 V power supply and dissipates typically 45 mW, with power consumption scaling with throughput.
- Flexible Interface: The device offers both serial and parallel interface options, compatible with 2.5 V, 3.3 V, or 5 V logic.
Applications
The AD7623ACP is ideal for various applications requiring high-speed and low-power analog-to-digital conversion. These include:
- Battery-powered devices due to its power consumption scaling with throughput.
- Medical imaging and diagnostic equipment where high accuracy and speed are crucial.
- Industrial control systems that require precise and fast data acquisition.
- Aerospace and defense applications where the device's robust temperature range and reliability are beneficial.
Q & A
- What is the resolution of the AD7623ACP?
The AD7623ACP has a resolution of 16 bits.
- What is the operating temperature range of the AD7623ACP?
The device operates over a temperature range of −40°C to +85°C.
- What is the throughput rate of the AD7623ACP?
The throughput rate is 1.33 MSPS).
- Does the AD7623ACP have an internal reference?
Yes, it includes a 2.048 V internal reference with a buffer).
- What types of interface options are available for the AD7623ACP?
The device offers both serial and parallel interface options, compatible with 2.5 V, 3.3 V, or 5 V logic).
- How much power does the AD7623ACP typically dissipate?
The device typically dissipates 45 mW, with power consumption scaling with throughput).
- Is the AD7623ACP suitable for battery-powered applications?
Yes, it is ideal for battery-powered applications due to its power consumption scaling with throughput).
- What is the analog input voltage range of the AD7623ACP?
The analog input voltage range is from -VREF to +VREF).
- Does the AD7623ACP have any missing codes?
No, the AD7623ACP has no missing 16-bit codes).
- What is the typical drift of the internal reference?
The typical drift of the internal reference is ±7 ppm/°C).
