Texas Instruments ADS41B49
The ADS41Bx9 are members of the ultralow-power ADS4xxx analog-to-digital converter (ADC) family, featuring integrated analog input buffers. These devices use innovative design techniques to achieve high dynamic performance, and consume extremely low power. The analog input pins have buffers, with benefits of constant performance and input impedance across a wide frequency range.| Part No. | ADS41B49 |
|---|---|
| Datasheet | ADS41B49 Download |
| Manufacturer |  Texas Instruments |
| Description | Ultralow-Power ADC |
| Buy | Stock & Price |
FEATURES
●1 ADS41B49: 14-Bit, 250 MSPS ADS41B29: 12-Bit, 250 MSPS● Integrated High-Impedance Analog Input Buffer: – Input Capacitance: 2 pF – 200-MHz Input Resistance: 3 kΩ
● Maximum Sample Rate: 250 MSPS
● Ultralow Power: – 1.8-V Analog Power: 180 mW – 3.3-V Buffer Power: 96 mW – I/O Power: 135 mW (DDR LVDS)
● High Dynamic Performance: – SNR: 69 dBFS at 170 MHz – SFDR: 82.5 dBc at 170 MHz
● Output Interface: – Double Data Rate (DDR) LVDS with Programmable Swing and Strength: – Standard Swing: 350 mV – Low Swing: 200 mV – Default Strength: 100-Ω Termination – 2x Strength: 50-Ω Termination – 1.8-V Parallel CMOS Interface Also Supported
● Programmable Gain for SNR, SFDR Trade-Off
● DC Offset Correction
● Supports Low Input Clock Amplitude
● Package: VQFN-48 (7 mm × 7 mm) 2
APPLICATIONS
● Power Amplifier Linearization● Software Defined Radio
● Wireless Communications Infrastructure 3
DESCRIPTION
The devices are well-suited for multi-carrier, wide bandwidth communications applications such as PA linearization.
