AD9122BCPZRL

$62.88

Description：IC DAC 16BIT A-OUT 72LFCSP
Series：TxDAC+®

SKU:29be9506901a Category: Digital to Analog Converters (DAC) Brand: Analog Devices Inc.

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Product introduction

Product Detailed Parameters

Description：IC DAC 16BIT A-OUT 72LFCSP
Series：TxDAC+®
Mfr：Analog Devices Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
Number of Bits：16
Number of D/A Converters：2
Settling Time：20ns (Typ)
Output Type：Current - Unbuffered
Differential Output：Yes
Data Interface：LVDS - Parallel
Reference Type：External, Internal
Voltage - Supply, Analog：3.13V ~ 3.47V
Voltage - Supply, Digital：1.71V ~ 1.89V
INL/DNL (LSB)：±3.7, ±2.1
Architecture：Current Source
Operating Temperature：-40°C ~ 85°C
Package / Case：72-VFQFN Exposed Pad, CSP
Supplier Device Package：72-LFCSP-VQ (10x10)
Mounting Type：Surface Mount

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AD9122BCPZRL

Overview

The AD9122BCPZRL is a dual, 16-bit, high dynamic range digital-to-analog converter (DAC) from Analog Devices. It operates at a maximum sample rate of 1230 MSPS and utilizes TxDAC+ architecture. The device features integrated 2×/4×/8× interpolation filters and a complex numerically controlled oscillator (NCO). Key electrical parameters include a full-scale output current adjustable between 8.7 mA and 31.7 mA, with an internal reference voltage of 1.2 V. Power consumption is specified at 1.5 W at 1.2 GSPS under full operating conditions. The component is housed in a 72-lead LFCSP package.

Feature Summary

Dual-channel 16-bit DAC with 1230 MSPS maximum sampling rate
Integrated 2×/4×/8× interpolator and complex NCO for flexible carrier placement
Flexible LVDS interface supporting word, byte, or nibble loading modes
Adjustable analog output current ranging from 8.7 mA to 31.7 mA

Applications

Wireless infrastructure systems
W-CDMA, CDMA2000, TD-SCDMA, WiMAX, GSM, LTE transmitters
Digital high or low intermediate frequency (IF) synthesis
Transmit diversity applications
Wideband communications including LMDS/MMDS and point-to-point links

Procurement Notes

Verify the specific revision level (R1 or R2) upon receipt, as register maps and IOVDD ranges differ between silicon revisions. Confirm that the exposed paddle is properly soldered to the ground plane for thermal management. Ensure supply voltages match the requirements for the installed revision, particularly regarding the IOVDD upper limit.

Selection Notes

Select this component for direct conversion transmit applications requiring high dynamic range and low noise. Consider the integrated interpolation filters and NCO if system complexity reduction is desired. Verify that the required output current range fits within the 8.7 mA to 31.7 mA programmable limits. Check compatibility with companion IQ modulators such as the ADL537x family for seamless interfacing.

Part Context

The AD9122BCPZRL is the reel-packaged version of the AD9122BCPZ. Both share identical electrical specifications and functionality. The 'RL' suffix indicates tape-and-reel packaging suitable for automated assembly processes. The device belongs to the TxDAC+ family optimized for multi-carrier generation up to the Nyquist frequency.