Overview
The ADC3244IRGZR is a part of the ADC324x family, a series of high-linearity, ultra-low power, dual-channel, 14-bit analog-to-digital converters (ADCs) produced by Texas Instruments. These devices are designed to support demanding, high input frequency signals with large dynamic range requirements. They feature a flexible input clock buffer, internal dither and chopper, and support for multi-chip synchronization, making them highly versatile for various applications.
Key Specifications
| Parameter | Unit | Typical Value |
|---|---|---|
| Resolution | Bits | 14 |
| ADC Clock Frequency | MSPS | 80 - 125 |
| Analog Supply Voltage | V | 1.8 |
| Digital Supply Voltage | V | 1.8 |
| Analog Supply Current | mA | 65 - 106 |
| Digital Supply Current | mA | 64 - 95 |
| Total Power Dissipation | mW | 233 - 325 |
| Global Power-Down Dissipation | mW | 5 - 17 |
| Standby Power-Down Dissipation | mW | 78 - 103 |
| Differential Input Full-Scale | VPP | 2.0 |
| Input Resistance | kΩ | 6.6 |
| Input Capacitance | pF | 1.5 (typical) |
| Signal-to-Noise Ratio (SNR) | dBFS | 72.4 (at fIN = 70 MHz) |
| Spurious-Free Dynamic Range (SFDR) | dBc | 87 (at fIN = 70 MHz) |
| Package | VQFN-48 (7 mm × 7 mm) |
Key Features
- Dual-channel, 14-bit resolution
- Single supply: 1.8 V
- Serial LVDS interface (SLVDS)
- Flexible input clock buffer with divide-by-1, -2, -4
- Ultra-low power consumption: 116 mW/Ch at 125 MSPS
- Channel isolation: 105 dB
- Internal dither and chopper
- Support for multi-chip synchronization
- Pin-to-pin compatible with 12-bit version
Applications
- Multi-carrier, multi-mode cellular base stations
- Radar and smart antenna arrays
- Munitions guidance
- Motor control feedback
- Network and vector analyzers
- Communications test equipment
- Nondestructive testing
- Microwave receivers
- Software-defined radios (SDRs)
- Quadrature and diversity radio receivers
- Handheld radio and instrumentation
Q & A
- What is the resolution of the ADC3244IRGZR?
The ADC3244IRGZR has a 14-bit resolution.
- What is the maximum sampling rate of the ADC3244IRGZR?
The maximum sampling rate is 125 MSPS.
- What is the power consumption of the ADC3244IRGZR at 125 MSPS?
The power consumption is approximately 116 mW per channel at 125 MSPS.
- What type of interface does the ADC3244IRGZR use?
The ADC3244IRGZR uses a serial LVDS (SLVDS) interface.
- What is the channel isolation of the ADC3244IRGZR?
The channel isolation is 105 dB.
- Does the ADC3244IRGZR support multi-chip synchronization?
Yes, it supports multi-chip synchronization.
- What is the package type and size of the ADC3244IRGZR?
The package is VQFN-48 with a body size of 7 mm × 7 mm.
- What are some typical applications of the ADC3244IRGZR?
Typical applications include multi-carrier cellular base stations, radar and smart antenna arrays, munitions guidance, and more.
- What is the signal-to-noise ratio (SNR) of the ADC3244IRGZR?
The SNR is typically 72.4 dBFS at an input frequency of 70 MHz.
- What is the spurious-free dynamic range (SFDR) of the ADC3244IRGZR?
The SFDR is typically 87 dBc at an input frequency of 70 MHz.
