Overview
The AD9680BCPZ-820 is a high-performance, dual 14-bit analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is optimized for wide input bandwidth, high sampling rates, excellent linearity, and low power consumption, making it ideal for various high-speed data acquisition and communication applications. The AD9680 features a multistage, differential pipelined architecture with integrated output error correction logic and supports sampling rates of up to 820 MSPS. It includes on-chip buffers and sample-and-hold circuits designed for low power and ease of use.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 14-bit | |
| Sampling Rate | Up to 820 MSPS | MSPS |
| Analog Input Full Power Bandwidth | 2 GHz | GHz |
| SNR at 1 GSPS | 65.3 dBFS at 340 MHz, 60.5 dBFS at 1 GHz | dBFS |
| Noise Density | −154 dBFS/Hz at 1 GSPS | dBFS/Hz |
| Supply Voltage | 1.25 V, 2.5 V, 3.3 V | V |
| Input Range | 1.46 V p-p to 1.94 V p-p (nominal 1.70 V p-p for AD9680-820) | V p-p |
| Termination Impedance | Programmable: 400 Ω, 200 Ω, 100 Ω, 50 Ω differential | Ω |
| Channel Isolation/Crosstalk | 95 dB | dB |
| Package | 64-Lead LFCSP (9mm x 9mm w/ EP) |
Key Features
- Dual 14-bit ADC with multistage, differential pipelined architecture and integrated output error correction logic.
- Supports sampling rates of 500 MSPS, 820 MSPS, 1000 MSPS, and 1250 MSPS.
- Internal ADC voltage reference and programmable termination impedance.
- 2 GHz usable analog input full power bandwidth and 95 dB channel isolation/crosstalk.
- Amplitude detect bits for efficient automatic gain control (AGC) implementation.
- Two integrated wideband digital processors per channel, each with a 12-bit NCO and up to four half-band filters.
- Differential clock input with integer clock divide by 1, 2, 4, or 8.
- Flexible JESD204B lane configurations.
Applications
The AD9680BCPZ-820 is ideally suited for a variety of applications, including:
- Spectrum analyzers and data acquisition systems.
- Military electronics, such as radar and jamming/anti-jamming measures.
- High-speed communication systems.
- Medical imaging and diagnostic equipment.
- Aerospace and defense systems.
Q & A
- What is the resolution of the AD9680BCPZ-820 ADC?
The AD9680BCPZ-820 is a 14-bit analog-to-digital converter. - What are the supported sampling rates for the AD9680BCPZ-820?
The device supports sampling rates of up to 820 MSPS, with other models supporting rates up to 1000 MSPS and 1250 MSPS. - What is the analog input full power bandwidth of the AD9680BCPZ-820?
The analog input full power bandwidth is 2 GHz. - What are the supply voltage options for the AD9680BCPZ-820?
The device can operate with supply voltages of 1.25 V, 2.5 V, and 3.3 V. - Does the AD9680BCPZ-820 have integrated digital down-converters (DDCs)?
Yes, each ADC data output is internally connected to two digital down-converters (DDCs), each consisting of up to five cascaded signal processing stages. - What is the channel isolation/crosstalk of the AD9680BCPZ-820?
The channel isolation/crosstalk is 95 dB. - How does the AD9680BCPZ-820 support automatic gain control (AGC)?
The device includes amplitude detect bits and a programmable threshold detector to simplify AGC implementation. - What is the package type of the AD9680BCPZ-820?
The device is packaged in a 64-Lead LFCSP (9mm x 9mm w/ EP). - Can the AD9680BCPZ-820 be used in military applications?
Yes, it is suitable for various military electronics applications, including radar and jamming/anti-jamming measures. - Is the AD9680BCPZ-820 compatible with the JESD204B high-speed serial interface?
Yes, the device supports flexible JESD204B lane configurations.
