ICS-40310 datasheet(3/14 Pages) TDK

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ICS-40310

SPECIFICATIONS

TABLE 1. ELECTRICAL CHARACTERISTICS

(TA = 0 to 70°C, VDD = 0.9 to 1.3 V, unless otherwise noted. All minimum and maximum specifications are guaranteed across

temperature and voltage and are specified in Table 1, unless otherwise noted. Typical specifications are not guaranteed.)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

NOTES

PERFORMANCE

Directionality

Omni

Sensitivity

1 kHz, 94 dB SPL

−40

−37

−34

dBV

Signal-to-Noise Ratio (SNR)

20 Hz to 20 kHz, A-weighted

dBA

Equivalent Input Noise (EIN)

20 Hz to 20 kHz, A-weighted

dBA SPL

Dynamic Range

Derived from EIN and maximum

acoustic input

Frequency Response

Low frequency

−3 dB point

High frequency

−3 dB point

kHz

Total Harmonic Distortion (THD)

105 dB SPL

1.3

2.5

Power Supply Rejection (PSR)

217 Hz, 100 mVp-p square wave

superimposed on VDD = 1.0 V (A-

weighted)

-81

dBV

Power-Supply Rejection Ratio (PSRR)

1 kHz, 100 mVp-p sine wave

superimposed on VDD

−53

Acoustic Overload Point

10% THD

112

dB SPL

POWER SUPPLY

Supply Voltage (VDD)

0.9

1.3

Supply Current (IS)

VDD = 0.9 V

µA

VDD = 1.3 V

19.5

µA

OUTPUT CHARACTERISTICS

Output Impedance

2.9

4.5

10.5

Output DC Offset Voltage

500

570

650

Startup Time

Output to within 0.2 dB of final

sensitivity

0.8

sec

Output Current Limit

μA

Maximum Output Voltage

112 dB SPL input, RMS

112

Noise Floor

20 Hz to 20 kHz, A-weighted, RMS

−101

dBV

Note 1: See Figure 3 and Figure 4.

Page 3 of 14

Document Number: DS-ICS-40310-00

Revision: 1.2

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