Overview
The AD9257BCPZRL7-65, produced by Analog Devices Inc., is a high-performance, octal, 14-bit analog-to-digital converter (ADC) designed for low cost, low power, and small size. It operates at a conversion rate of up to 65 MSPS and is optimized for outstanding dynamic performance. The ADC features an on-chip sample-and-hold circuit and requires a single 1.8 V power supply. It is ideal for applications where high-speed and high-resolution ADCs are essential, such as communication systems, medical imaging, and industrial instrumentation.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Series | AD9257 | Mounting Style | SMD/SMT |
| Resolution | 14 bit | Number of Channels | 8 Channel |
| Interface Type | SPI | Sampling Rate | 65 MS/s |
| Input Type | Differential | Architecture | Pipeline |
| Analog Supply Voltage | 1.8 V | Digital Supply Voltage | 1.8 V |
| SNR - Signal to Noise Ratio | 75.5 dB | Minimum Operating Temperature (°C) | -40 |
| Maximum Operating Temperature (°C) | +85 | Development Kit | AD9257-65EBZ |
| DNL - Differential Nonlinearity | ±0.6 LSB (typical) | Gain Error | -6 %FSR/1 %FSR |
| Height | 0.8 mm | Input Voltage | 2 Vp-p |
| Length | 9 mm | Moisture Sensitive | Yes |
Key Features
- High-speed interface: LVDS or CMOS
- Multiple channel support (up to 8 channels)
- Software programmability
- Low power consumption: 55 mW per channel at 65 MSPS with scalable power options
- High SNR and SFDR: SNR = 75.5 dB, SFDR = 91.6 dBc (to Nyquist)
- DNL = ±0.6 LSB (typical), INL = ±1.1 LSB (typical)
- Serial LVDS output interface
- Programmable clock and data alignment
- Programmable digital test pattern generation
- Individual channel power-down modes
Applications
- Medical imaging and nondestructive ultrasound
- Portable ultrasound and digital beam-forming systems
- Quadrature and diversity radio receivers
- Optical networking
- Test equipment
- Video surveillance and radar systems
- Industrial instrumentation
Q & A
- What is the resolution and sampling rate of the AD9257BCPZRL7-65?
The AD9257BCPZRL7-65 has a resolution of 14 bits and a sampling rate of up to 65 MSPS.
- What type of interface does the AD9257BCPZRL7-65 use?
The AD9257BCPZRL7-65 uses a serial LVDS output interface and an SPI interface for setup and control.
- What is the power supply requirement for the AD9257BCPZRL7-65?
The AD9257BCPZRL7-65 requires a single 1.8 V power supply.
- What are the key features of the AD9257BCPZRL7-65 in terms of power consumption?
The AD9257BCPZRL7-65 has low power consumption, with 55 mW per channel at 65 MSPS, and it supports scalable power options and individual channel power-down modes.
- What are the typical applications of the AD9257BCPZRL7-65?
The AD9257BCPZRL7-65 is commonly used in medical imaging, portable ultrasound, quadrature and diversity radio receivers, optical networking, and test equipment.
- What is the package type and size of the AD9257BCPZRL7-65?
The AD9257BCPZRL7-65 is packaged in a 64-lead LFCSP, measuring 9mm x 9mm with a thickness of 0.8mm.
- Is the AD9257BCPZRL7-65 RoHS compliant?
- What are the dynamic performance specifications of the AD9257BCPZRL7-65?
The AD9257BCPZRL7-65 has an SNR of 75.5 dB and an SFDR of 91.6 dBc (to Nyquist).
- Does the AD9257BCPZRL7-65 support programmable features?
- What is the operating temperature range of the AD9257BCPZRL7-65?
