An integrated 9x9 SPAD array with a 10-channel TDC and a CMOS laser diode driver for a wearable time-domain diffuse optics optode. - Jussi-Pekka Jansson; Sahba Jahromi; Kalle Haapalainen; Harri J. Juttula; Anssi Mäkynen; Jan Nissinen (I2MTC, 2020)