Overview
The LTC2268CUJ-14#TRPBF is a 14-bit, dual-channel, simultaneous sampling analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is designed for digitizing high-frequency, wide dynamic range signals, making it ideal for demanding communications applications. It features low power consumption, high signal-to-noise ratio (SNR), and spurious free dynamic range (SFDR), along with ultralow jitter, which allows for excellent noise performance even when undersampling IF frequencies.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | ADI (Analog Devices, Inc.) |
| Description | IC ADC 14BIT 125MSPS DUAL 40QFN |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
| Voltage - Supply, Digital | 1.7 V ~ 1.9 V |
| Voltage - Supply, Analog | 1.7 V ~ 1.9 V |
| Supplier Device Package | 40-QFN (6x6) |
| Sampling Rate (Per Second) | 125M |
| Reference Type | External, Internal |
| Ratio - S/H:ADC | 1:1 |
| Operating Temperature | 0°C ~ 70°C |
| Number of Inputs | 2 |
| Number of Bits | 14 |
| Number of A/D Converters | 2 |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Input Type | Differential |
| Data Interface | LVDS - Serial |
| Configuration | S/H-ADC |
| Architecture | Pipelined |
Key Features
- Simultaneous Sampling: Both channels sample the input signals simultaneously, ensuring synchronized data acquisition.
- High AC Performance: Features 73.1dB SNR and 88dB SFDR, making it suitable for high-frequency signal processing.
- Low Power Consumption: Total power consumption of 299mW, with 150mW per channel, making it energy-efficient.
- Serial LVDS Outputs: Outputs data in serial LVDS format, minimizing the number of data lines and ensuring clean signal integrity.
- Selectable Input Ranges: Supports input ranges from 1V p-p to 2V p-p.
- Shutdown and Nap Modes: Allows for power management through shutdown and nap modes.
- Serial SPI Port for Configuration: Enables configuration via a serial SPI port.
- Pin Compatible Versions: Available in pin-compatible 14-bit and 12-bit versions.
- Ultralow Jitter: Features 0.15ps RMS jitter, allowing for excellent noise performance when undersampling IF frequencies.
Applications
The LTC2268CUJ-14#TRPBF is particularly suited for demanding communications applications, including:
- High-Frequency Signal Processing: Ideal for applications requiring the digitization of high-frequency, wide dynamic range signals.
- Wireless Communications: Suitable for wireless communication systems that require high SNR and SFDR.
- Medical Imaging: Can be used in medical imaging equipment where high-resolution and low-noise data acquisition are critical.
- Test and Measurement Equipment: Applicable in test and measurement instruments that require precise and simultaneous sampling of multiple channels.
Q & A
- What is the sampling rate of the LTC2268CUJ-14#TRPBF?
The sampling rate of the LTC2268CUJ-14#TRPBF is 125 million samples per second (MSPS).
- What is the resolution of the LTC2268CUJ-14#TRPBF?
The resolution of the LTC2268CUJ-14#TRPBF is 14 bits.
- How many channels does the LTC2268CUJ-14#TRPBF have?
The LTC2268CUJ-14#TRPBF has two channels that sample simultaneously.
- What is the input type of the LTC2268CUJ-14#TRPBF?
The input type of the LTC2268CUJ-14#TRPBF is differential.
- What is the operating temperature range of the LTC2268CUJ-14#TRPBF?
The operating temperature range of the LTC2268CUJ-14#TRPBF is from 0°C to 70°C.
- What is the power consumption of the LTC2268CUJ-14#TRPBF?
The total power consumption of the LTC2268CUJ-14#TRPBF is 299mW, with 150mW per channel.
- What is the data interface of the LTC2268CUJ-14#TRPBF?
The data interface of the LTC2268CUJ-14#TRPBF is serial LVDS.
- Does the LTC2268CUJ-14#TRPBF support shutdown and nap modes?
Yes, the LTC2268CUJ-14#TRPBF supports shutdown and nap modes for power management.
- What is the package type of the LTC2268CUJ-14#TRPBF?
The package type of the LTC2268CUJ-14#TRPBF is a 40-lead QFN (6mm x 6mm x 0.75mm) with an exposed pad.
- Is the LTC2268CUJ-14#TRPBF RoHS compliant?
Yes, the LTC2268CUJ-14#TRPBF is lead-free and RoHS compliant.
