TLV320AC40, TLV320AC41

3-V VOICE-BAND AUDIO PROCESSORS (VBAP

™)

SLWS045A – JUNE 1996 – REVISED APRIL 1997

6

POST OFFICE BOX 655303

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

(unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

MAX

UNIT

Operating

PDN is high with CLK signal present

7.5

Power down

PDN is low for 500

µs

0.75

ICC

Supply current from VCC

Standby – both

PDN is high with FSX and FSR held low

2

mA

Standby – one

PDN is high with either FSX or FSR pulsing

with the other held low

4.5

digital interface

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

VOH

High-level output voltage

DOUT

IOH = – 3.2 mA, VCC = 3 V

2.4

2.8

V

VOL

Low-level output voltage

DOUT

IOL = 3.2 mA,

VCC = 3 V

0.2

0.4

V

IIH

High-level input current, any digital input

VI = 2.2 V to VCC

10

µA

IIL

Low-level input current, any digital input

VI = 0 to 0.8 V

10

µA

Ci

Input capacitance

5

pF

Co

Output capacitance

5

pF

† All typical values are at VCC = 3 V, TA = 25°C.

microphone interface

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

VIO

Input offset voltage at MICIN

VI = 0 to 3 V

±5

mV

IIB

Input bias current at MICIN

±200

nA

B1

Unity-gain bandwidth, open loop at MICIN‡

1.5

MHz

Ci

Input capacitance at MICIN

5

pF

AV

Large-signal voltage amplification at MICGS

10 000

V/ V

IOmax

Maximum output current

VMID

3

µA

IOmax

Maximum output current

MICBIAS (source only)

1

mA

† All typical values are at VCC = 3 V, TA = 25°C.

‡ The frequency of the first pole is 100 Hz.

speaker interface

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

VO(PP)

AC output voltage

3§

Vpp

VOO

Output offset voltage at EARA, EARB (single-ended)

Relative to GND

80

mVpk

II(lkg)

Input leakage current at EARGS

VI = 0.5 V to (VCC – 0.5) V

±200

nA

IOmax

Maximum output current

RL = 600 Ω

±2.5

mA

ro

Output resistance at EARA, EARB

1

Ω

Gain change

EARMUTE low, max level

when muted

–60

dB

† All typical values are at VCC = 3 V, TA = 25°C.

§ 2.5 Vpp when VCC is 2.7 V.