Overview
The LTC2226H, produced by Analog Devices Inc., is a 12-bit, 25Msps (mega-samples per second) low-power analog-to-digital converter (ADC) designed for digitizing high-frequency, wide dynamic range signals. This ADC is particularly suited for demanding imaging and communications applications, offering excellent AC performance with a signal-to-noise ratio (SNR) of 71.4dB and a spurious free dynamic range (SFDR) of 90dB. It operates over a temperature range of –40°C to 125°C, making it versatile for various industrial and automotive environments.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Resolution | 12 Bits | |
| Sampling Rate | 25 Msps | |
| Supply Voltage | 2.8V to 3.5V | V |
| Power Consumption | 75 mW | mW |
| Signal-to-Noise Ratio (SNR) | 71.4 dB | dB |
| Spurious Free Dynamic Range (SFDR) | 90 dB | dB |
| Integral Linearity Error (INL) | ±0.3 LSB | LSB |
| Differential Linearity Error (DNL) | ±0.15 LSB | LSB |
| Full Power Bandwidth | 575 MHz | MHz |
| Operating Temperature Range | –40°C to 125°C | °C |
| Package Type | 48-Pin LQFP (7mm × 7mm) |
Key Features
- Single 3V supply operation (2.8V to 3.5V) for low power consumption.
- Flexible input range: 1V P-P to 2V P-P.
- High AC performance: 71.4dB SNR and 90dB SFDR.
- No missing codes over temperature.
- Low transition noise: 0.25LSB RMS.
- Optional clock duty cycle stabilizer for high performance at full speed.
- Shutdown and nap modes for power management.
- Pin compatible with other family members (e.g., LTC2246H for 14-bit resolution).
- RoHS compliant and lead-free packaging options.
Applications
- Wireless and Wired Broadband Communication
- Imaging Systems
- Ultrasound
- Spectral Analysis
- Portable Instrumentation
- Automotive and Industrial Systems
Q & A
- What is the resolution of the LTC2226H ADC?
The LTC2226H is a 12-bit ADC.
- What is the sampling rate of the LTC2226H?
The sampling rate of the LTC2226H is 25 Msps.
- What is the operating supply voltage range for the LTC2226H?
The LTC2226H operates on a single 3V supply within the range of 2.8V to 3.5V.
- What are the key AC performance metrics of the LTC2226H?
The LTC2226H offers 71.4dB SNR and 90dB SFDR.
- Does the LTC2226H have any power-saving modes?
Yes, the LTC2226H has shutdown and nap modes for power management.
- What is the full power bandwidth of the sample-and-hold circuit in the LTC2226H?
The full power bandwidth of the sample-and-hold circuit is 575 MHz.
- Is the LTC2226H RoHS compliant?
Yes, the LTC2226H is RoHS compliant and available in lead-free packaging.
- What are some typical applications for the LTC2226H?
Typical applications include wireless and wired broadband communication, imaging systems, ultrasound, spectral analysis, and portable instrumentation.
- What is the operating temperature range of the LTC2226H?
The operating temperature range is –40°C to 125°C.
- Does the LTC2226H support flexible input ranges?
Yes, the LTC2226H supports input ranges from 1V P-P to 2V P-P.
