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12-bit 400MS/s DAC - TSMC 28nm HPC+
The S3DA400M12BT28HPCP employs a current steering architecture with differential current outputs. It uses 6 linear bits and 6 binary bits, all of which are generated from within the current source array.
This segmentation results in an excellent static performance and reduced glitch energy at the output. This also ensures parasitics within the DAC are minimized. Furthermore, the distortion at the output is greatly reduced by using propriety latch architecture.
The combination of static performance, reduced glitch energy, minimized parasitics and reduced distortion, results in outstanding dynamic performance over a wide range of conditions including frequencies close to the DAC Nyquist frequency.
This segmentation results in an excellent static performance and reduced glitch energy at the output. This also ensures parasitics within the DAC are minimized. Furthermore, the distortion at the output is greatly reduced by using propriety latch architecture.
The combination of static performance, reduced glitch energy, minimized parasitics and reduced distortion, results in outstanding dynamic performance over a wide range of conditions including frequencies close to the DAC Nyquist frequency.
Features
- 28nm TSMC HPC+ Process, 7 Metals Used (No Analog Options)
- 2.5V and 0.9V Supplies
- Sampling Rate up to 400MS/s
- 1.0Vpp Differential Output Range
- Programmable full-scale current possible 5-20mA
- Performance for Fout<90MHz
- SFDR > 60dBc,ENOB>9.5bits
- MTPR 55dB up to 100MHz @ PAPR=15dB
- Stand-By and Power-Down Modes
Benefits
- The 12-bit DAC dynamic performance highlights considering a signal frequency of 90MHz and 400MS/s conversion rate include an SNDR > 62dB and an SFDR > 60dBc.
- The S3DA400M12BT28HPCP is designed in a 28nm logic process, which is ideal for integration with a DSP engine, and can be cost-effectively ported across foundries and process nodes upon request.
Deliverables
- Datasheet
- Characterization Report
- Flat Netlist (cdl)
- Layout View (gds2)
- Abstract View (lef)
- Timing View (lib)
- Behavioural Model (Verilog .v)
- (Subject to Agreement)
Applications
- Connected Consumer Devices
- LTE/LTE-A
- DVB
- Home Network
- Wireless & Wireline Communications Infrastructure
Block Diagram of the 12-bit 400MS/s DAC - TSMC 28nm HPC+
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