TLV320AIC1110

SLAS359 – DECEMBER 2001

10

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electrical characteristics over recommended ranges of supply voltage and free-air temperature (unless

otherwise noted) (continued)

digital interface

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VOH

High-level output voltage PCMO (BUZZCON)

IOH = – 3.2 mA,

VDD = 3 V

DVDD– 0.25

V

VOL

Low-level output voltage PCMO

IOL = 3.2 mA,

VDD = 3 V

0.25

V

IIH

High-level input current, any digital input

VI = VDD

10

µA

IIL

Low-level input current, any digital input

VI = VSS

10

µA

Ci

Input capacitance

10

pF

Co

Output capacitance

20

pF

RL

Load impedance (BUZZCON)

5

k

Ω

microphone interface

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VIO

Input offset voltage at MIC1N, MIC2N

See Note 4

– 5

5

mV

IIB

Input bias current at MIC1N, MIC2N

– 300

300

nA

Ci

Input capacitance at MIC1N, MIC2N

5

pF

Vn

Microphone input referred noise, psophometrically weighted,

(C-message weighted is similar)

MIC amp 1 gain = 23.5 dB

MIC amp 2 gain = 0 dB

3

4.7

µVrms

IOmax

Output source current—MBIAS

1

1.2

mA

V(mbias)

Microphone bias supply voltage (see Note 5)

2.3

2.5

2.65

V

MICMUTE

– 80

dB

Input impedance

Fully differential

35

60

100

k

Ω

NOTES:

4. Measured while MIC1P and MIC1N are connected together. Less than 0.5-mV offset results in 0 value code on PCMOUT.

5. Not a JEDEC symbol.