Overview
The AD9249BBCZRL7-65, produced by Analog Devices Inc., is a 16-channel, 14-bit analog-to-digital converter (ADC) designed for low cost, low power, small size, and ease of use. This device operates at a conversion rate of up to 65 MSPS and is optimized for outstanding dynamic performance and low power consumption. It features an on-chip sample-and-hold circuit and requires a single 1.8 V power supply along with an LVPECL-/CMOS-/LVDS-compatible sample rate clock. The AD9249 is particularly suited for applications where a small package size is critical, such as medical imaging, communications receivers, and multichannel data acquisition systems.
Key Specifications
| Specification | Value |
|---|---|
| Number of Channels | 16 |
| Resolution | 14-bit |
| Sample Rate | Up to 65 MSPS |
| Power Supply | 1.8 V |
| Package Type | 144-Ball CSP-BGA (10mm x 10mm x 1.7mm) |
| Operating Temperature Range | -40°C to +85°C |
| Analog Input Voltage Range | 2 Vp-p |
| Common-Mode Voltage Range | 0.5 V to 1.3 V |
| Differential Input Resistance | 5.2 kΩ |
| Differential Input Capacitance | 3.5 pF |
| Power Consumption per Channel at 20 MSPS | 35 mW |
| Power Consumption per Channel at 65 MSPS | 58 mW |
| SNR (to Nyquist) | 75 dBFS |
| SFDR (to Nyquist) | 90 dBc |
| DNL (typical) | ±0.6 LSB |
| INL (typical) | ±0.9 LSB |
Key Features
- Low Power Consumption: 35 mW per channel at 20 MSPS and 58 mW per channel at 65 MSPS with scalable power options.
- Small Footprint: Sixteen ADCs integrated into a small 10 mm x 10 mm package.
- Ease of Use: Data clock outputs (DCO±1, DCO±2) operate at frequencies up to 455 MHz and support double data rate (DDR) operation.
- User Flexibility: SPI control offers a wide range of flexible features, including programmable clock and data alignment and programmable digital test pattern generation.
- Serial LVDS Output: Supports ANSI-644 and reduced signal option similar to IEEE 1596.3.
- Frame and Data Clock Outputs: Frame clock outputs (FCO±1, FCO±2) for signaling new output bytes and data clock outputs for capturing data.
- Individual Channel Power-Down: Supports power-down of individual channels, consuming less than 2 mW when all channels are disabled.
Applications
- Medical Imaging: Suitable for high-resolution imaging applications due to its high dynamic performance and low power consumption.
- Communications Receivers: Ideal for multichannel communication systems requiring high-speed ADCs.
- Multichannel Data Acquisition: Used in systems that require simultaneous sampling of multiple channels with high accuracy and low power.
Q & A
- What is the resolution of the AD9249BBCZRL7-65 ADC?
The AD9249BBCZRL7-65 has a resolution of 14 bits. - What is the maximum sample rate of the AD9249BBCZRL7-65?
The maximum sample rate is up to 65 MSPS. - What type of package does the AD9249BBCZRL7-65 come in?
The device is packaged in a 144-Ball CSP-BGA (10mm x 10mm x 1.7mm). - What is the operating temperature range of the AD9249BBCZRL7-65?
The operating temperature range is -40°C to +85°C. - Does the AD9249BBCZRL7-65 require external reference or driver components?
No external reference or driver components are required for many applications. - What is the power consumption per channel at 20 MSPS?
The power consumption per channel at 20 MSPS is 35 mW. - What is the SNR of the AD9249BBCZRL7-65 to Nyquist?
The SNR is 75 dBFS to Nyquist. - Does the AD9249BBCZRL7-65 support individual channel power-down?
Yes, it supports individual channel power-down, consuming less than 2 mW when all channels are disabled. - What type of serial output does the AD9249BBCZRL7-65 support?
The device supports Serial LVDS output, including ANSI-644 and a reduced signal option similar to IEEE 1596.3. - What is the typical DNL and INL of the AD9249BBCZRL7-65?
The typical DNL is ±0.6 LSB and the typical INL is ±0.9 LSB.
