A One-Dimensional Magnetic Chip with a Hybrid Magnetosensor and a Readout Circuit

Table 2

Comparison with previous studies of OP for simulated and measured results.

Specifications	This work		[21]	[22]	[23]
	Simulations	Measurements	Simulations	Simulations	Simulations
Technology (μm)	0.18	0.18	0.35	0.18	0.5
Voltage gain (dB)	105	71.12	89.3	67.7	45
Phase margin (°)	80	86	89.7	—	—
CMRR (dB)	110	123	136.7	92	75
Slew rate (V/μs)	2.0	2.3	—	—	—
ICMR (VPP)	2.0	1.24	—	—	—
Gain bandwidth (kHz)	1.0	1.50	0.079	1.75	5.8
UGB (MHz)	20.8	—	1.46	91.33	—
Averaged PSRR (dB)	118	123	—	—	—
Output swing (V)	1.8	1.8	—	—	—
Input-referred noise at 1 MHz (nV/Hz^1/2)	10.8	—	—	—	22
Power dissipation (mW)	0.88	0.92	0.328	0.263	0.280
Chip area of OP (mm^2)	0.0765	0.0765	—	1.49	—