A 1.8-V ΔΣ modulator interface for an electret microphone with on-chip reference

IEEE Journal of Solid-State Circuits

Volumn 37, Issue 3, 2002, Pages 279-285

  Bajdechi, Ovidiu ^a,b   Huijsing, Johan H ^a,b  

^a IEEE   (Netherlands)

^b DELFT UNIVERSITY OF TECHNOLOGY   (Netherlands)

Author keywords

Analog to digital conversion; CMOS analog IC; Continuous time; Delta sigma modulator; Electret microphone; High input impedance; Low voltage bandgap reference; Single ended input; Switched capacitor

Indexed keywords

ELECTRET MICROPHONES; INTEGRATORS;

CAPACITORS; DELTA SIGMA MODULATION; ELECTRETS; ELECTRIC IMPEDANCE; ELECTRIC POTENTIAL; HARMONIC DISTORTION; MICROPHONES; SIGNAL TO NOISE RATIO;

ANALOG TO DIGITAL CONVERSION;

EID: 0036504357     PISSN: 00189200     EISSN: None     Source Type: Journal    
DOI: 10.1109/4.987078     Document Type: Article

References (10)

1. Analog design in deep submicron CMOS
2. Solutions for highly integrated future generation software radio basestation transceivers
3. A 640 × 512 CMOS image sensor with ultrawide dynamic range floating-point pixel-level ADC
4. A 0.2-mW CMOS ΔΣ modulator for speech coding with 80 dB dynamic range
5. A 1.5 V 1.0 mW audio ΔΣ modulator with 98 dB dynamic range
6. A 1.8-mW CMOS ΣΔ modulator with integrated mixer for A/D conversion of IF signals
7. Curvature compensated BiCMOS bandgap with 1V supply voltage