TCM320AC46

GENERALPURPOSE AUDIO INTERFACE FOR DSP

SLWS001 − D4091, JUNE 1993

POST OFFICE BOX 655303

POST OFFICE BOX 1443

10

electrical characteristics over recommended operating free-air temperature range (unless

otherwise noted) (continued)

digital interface

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

VOH

High-level output voltage

DOUT

IOH = − 3.2 mA,

VCC = 5 V

2.4

4.6

V

VOL

Low-level output voltage

DOUT

IOL = 3.2 mA,

VCC = 5 V

0.2

0.4

V

IIH

High-level input current

Any digital input

VI = 2.2 V to VCC

20

µA

IIL

Low-level input current

Any digital input

VI = 0 to 0.8 V

20

µA

Ci

Input capacitance

5

pF

Co

Output capacitance

5

pF

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

VIO

Input offset voltage at MICIN

VI = 0 to 5 V

±15

mV

IIB

Input bias current at MICIN

±200

nA

B1

Unity-gain bandwidth, open loop at MICIN

1

MHz

Ci

Input capacitance at MICIN

5

pF

AV

Large-signal voltage amplification at MICGS

10000

V/V

Output level at MICGS with MICMUTE active

VI = 4 V

−80

dBm0

IO(max)

Maximum output current

VMID

1

µA

IO(max)

Maximum output current

MICBIAS

1

mA

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

IIL

Input leakage at EARGS

VI = 0 to 5 V

±300

nA

VO(PP)

AC output voltage peak-to-peak

3

VPP

VOO

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

Relative to GND

100

mV

Ro

Output resistance at EARA, EARB

1

Ω

IO(max)

Maximum output current

RL = 600 Ω

±8

mA

AV

Large-signal voltage amplification

4

V/V

Gain change

EARMUTE low, max level when muted

−80

dB

† All typical values are at VCC = 5 V, TA = 25°C.

‡ All parameters are measured between MICIN and GND (unless otherwise noted).