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Voltage and Current References in GLOBALFOUNDRIES 22FDX
This IP is a silicon-proven analog reference generator including a bandgap (BGR) and PTAT reference voltages, PTAT, constant, and CTAT current sources, and an Analog Test Bus in GlobalFoundries 22nm FDX process. A low drop-out (LDO) regulator is also included in the design to provide internal power supplies of sub-blocks. The PTAT voltage can be used as an analog on-chip temperature sensor, and the test bus can be used for DTF and debugging purposes. The BGR, PTAT, and current mirror blocks can be turned on/off using digital control bits in case it is needed.
The low-power consumption of IPREFGF22 makes it perfect for battery powered devices and IoT applications.
The IP is compatible with all *_2Mx_4Cx_1Ix_* metal stack options. This means metal stacks #14, #16, and #17 readily compatible. For metal stacks #3, #8, #,11, #19, #21, and #22 minor layout modification should be done by the supplier. For other metal stacks, please contact the supplier.
The low-power consumption of IPREFGF22 makes it perfect for battery powered devices and IoT applications.
The IP is compatible with all *_2Mx_4Cx_1Ix_* metal stack options. This means metal stacks #14, #16, and #17 readily compatible. For metal stacks #3, #8, #,11, #19, #21, and #22 minor layout modification should be done by the supplier. For other metal stacks, please contact the supplier.
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Block Diagram of the Voltage and Current References in GLOBALFOUNDRIES 22FDX
Bandgap IP
- Bandgap Voltage Reference (0.6V and 0.8V References)
- Low-Power Combo Bandgap Voltage and Current References (1.21V/600nA) - GlobalFoundries 0.13um BCD
- 40nm 1.8V Programmable Band-Gap Reference with 0.55V output
- ACCUREF™ Bandgap Reference (Silicon-proven 130 nm, low-power, low-noise, ultra-precise single-digit mV accuracy, no external components required)
- Bandgap Reference for Integrated PMU (Silicon-proven 40 nm, high-accuracy of < ±1%)
- Bandgap Reference for SoC Integration and Hardware Security (22 nm, high-accuracy of ±1%)