14b, 4Gsps, Self-Calibrating Current Steering IQ DAC

Overview

ZX-DAIQ14CS4G08NLL is high performance 14b current steering IQDAC that supports data rate up-to 4Gsps. Each DAC core consists of a current source matrix with quad switching architecture, controlled from an adaptive balanced driver and re-timing latches. It has all necessary calibration circuitry to provide excellent static and dynamic linearity performance. For each channel, there is an integrated multiplexer to multiplex 8 lanes of 14b data to achieve 4Gsps effective data rate. Parallel digital interface is available to externally read and write calibration bits.

This IP solution is designed and provided by Vervesemi Microelectronics Pvt LTD, a strategic business partner of Zixin.

Key Features

Metal Scheme: 11M_3Mx_6Dx_1Gx_1Iz_LB
14b Resolution, Fs = 4Gsps
Programmable 20mA Differential Current source
In built mismatch, Self-Calibration for excellent linearity
Dynamic Performance@3.2Gsps

75dB SFDR @ 80MHz
72dB SFDR @200MHz
55dB SFDR @400MHz
52dB SFDR @800MHz
IMD3> -75dB @80MHz±1MHz

Selectable Internal and External load Terminations
Output Common Mode: 0.3V±5%
1.8V ±5% Analog Power Supply
0.75V ±5% Digital Core Power Supply
Integrated Voltage and Current References
Very low silicon area
INL ±16LSB, DNL ±2LSB
Gain Error 5% with internal load termination enabled
NSD > -160dbm/Hz
Area =0.653mm2

Applications

Wideband wireless communication
5G, LTE
DOCSIS 3.1 CMTS
Instrumentations, Automatic Test Equipment ATE
Radars

Deliverables

Datasheet
Hard Macro (GDSII)
Characterization Report (as applicable)
Abstract View (LEF)

Technical Specifications

Foundry, Node

Samsung 8nm LPP process

Maturity

In Production

Availability

Available

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