Low-Cost, Micropower, SC70/SOT23-8, Microphone

Preamplifiers with Complete Shutdown

6

Pin Description

Typical Operating Characteristics (continued)

(VCC = +5V, VCM = 0V, VOUT = VCC/2, RL= 100kΩ to VCC/2, SHDN = GND (MAX4467/MAX4468 only), TA = +25°C, unless otherwise

noted.)

02

13

4

5

SUPPLY VOLTAGE (V)

SUPPLY CURRENT

vs. SUPPLY VOLTAGE

40

30

20

10

0

220

40

100

1k

100k

1M

70

130

100

190

160

FREQUENCY (Hz)

10k

eNOISE vs. FREQUENCY

AVCL = +1V/V

PIN

MAX4465

MAX4466

MAX4467

MAX4468

MAX4469

NAME

FUNCTION

4

6 (8)

—

OUT

Amplifier Output

—

—

1

OUTA

Amplifier Output A

—

1 (4)

—

MIC_BIAS

External Microphone Bias Network Switch

Output

3

2 (3)

—

IN-

Inverting Amplifier Input

1

3 (2)

—

IN+

Noninverting Amplifier Input

2

4 (1)

4

GND

Ground

0

5

15

10

20

25

SINK CURRENT vs. OUTPUT VOLTAGE

OUTPUT VOLTAGE (V)

0

1.0

1.5

0.5

2.0

2.5

3.0

VCC = +5V

VCC = +2.4V

0

5

15

10

20

25

SOURCE CURRENT vs. OUTPUT VOLTAGE

OUTPUT VOLTAGE (V)

0

1.0

1.5

0.5

2.0

2.5

3.0

VCC = +5V

VCC = +2.4V

( ) denotes S0T23 package of the MAX4467/MAX4468