Vesper Technologies Inc - Preliminary Version

Roll Off

Frequency

-3db at 1KHz

100

Hz

Directivity

Omni

Wake on Sound Acoustic Specifications

Specifications valid on material Date Code 1811 (lid marking A811..) and higher.

Max

Acoustic

Threshold

(default)

PaTH

Rg= Open

89

SPL

Mid

Threshold

PaTH

Rg= 90kOhm

77

SPL

Min Acoustic

Threshold

PaTH

Rg= 18kOhm

65

SPL

Note: Rg is the resistance configured by user between GA1 and GA2 pins. A 1%

tolerance resistor is recommended.

Previous material 1810 and lower have a different range and resistor values and

are now obsolete.

Normal Mode Electrical Specifications

Supply

Voltage

VDD

1.6

1.8

3.6

V

Supply

Current

Normal

83

100

μA

Power

Supply

Rejection

Ratio

PSRR

VDD = 1.8, 1kHz,

wave

56

dB

Power

Supply

Rejection

PSR

VDD = 1.8, 217Hz,

wave, 20 Hz –

20kHz, A-

weighted

-87

dB(A)