Overview
The LTC2170IUKG-12#TRPBF, produced by Analog Devices Inc., is a 12-bit, low-power, quad analog-to-digital converter (ADC) designed for high-frequency, wide dynamic range signal digitization. This component is part of the LTC2170-12 series, which includes simultaneous sampling ADCs ideal for demanding communications applications. The device features excellent AC performance, including 71dB signal-to-noise ratio (SNR) and 90dB spurious free dynamic range (SFDR), making it suitable for applications requiring high precision and low noise.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 12 bits |
| Sampling Rate | 25Msps |
| SNR | 71dB |
| SFDR | 90dB |
| Integral Linearity Error (INL) | ±0.3LSB (typ) |
| Differential Linearity Error (DNL) | ±0.1LSB (typ) |
| Offset Error | –12 to 12mV |
| Gain Error | –2.5 to 0.5%FS (internal reference), –1 to 0.5%FS (external reference) |
| Power Consumption | 160mW total, 40mW per channel |
| Supply Voltage | 1.8V |
| Package | 52-Lead QFN (7mm x 8mm x 0.75mm) |
| Operating Temperature | –40°C to 85°C |
Key Features
- 4-channel simultaneous sampling ADC
- Low power consumption: 160mW total, 40mW per channel
- Single 1.8V supply
- Serial LVDS outputs: one or two bits per channel
- Selectable input ranges: 1Vpp to 2Vpp
- 800MHz full power bandwidth sample-and-hold
- Shutdown and nap modes for power management
- Serial SPI port for configuration
- Pin-compatible 14-bit and 12-bit versions
- Internal clock duty cycle stabilizer for high performance across various clock duty cycles
Applications
The LTC2170IUKG-12#TRPBF is particularly suited for demanding communications applications, including wireless infrastructure, radar systems, and other high-frequency signal processing environments. Its high SNR, SFDR, and low jitter make it ideal for undersampling IF frequencies with excellent noise performance.
Q & A
- What is the resolution of the LTC2170IUKG-12#TRPBF?
The resolution is 12 bits. - What is the sampling rate of this ADC?
The sampling rate is 25Msps. - What is the signal-to-noise ratio (SNR) of this device?
The SNR is 71dB. - What is the spurious free dynamic range (SFDR) of this ADC?
The SFDR is 90dB. - What is the power consumption of the LTC2170IUKG-12#TRPBF?
The total power consumption is 160mW, with 40mW per channel. - What is the supply voltage for this device?
The supply voltage is 1.8V. - What type of output does the LTC2170IUKG-12#TRPBF use?
The device uses serial LVDS outputs. - Can the input range be adjusted?
Yes, the input range is selectable from 1Vpp to 2Vpp. - Does the LTC2170IUKG-12#TRPBF have power management features?
Yes, it includes shutdown and nap modes for power management. - How is the device configured?
The device can be configured via a serial SPI port.
