500 - 20 - 11

2

PARAMETER

SYMBOL

CONDITION

MIN

TYP

MAX

UNITS

Gain

A

CL

V

O

68

72

76

dB

Temperature Coefficient of Gain

η

A

-

0.07

-

dB/

o

C

Amplifier Current

I

AMP

180

210

280

µA

Temperature Coefficient of Current

-

-0.002

-

mA/

o

C

Transducer Current

I

TRANS

1.3

1.5

1.9

mA

Total Harmonic Distortion

THD

V

O

-2

5

%

Input Referred Noise

IRN

NFB 0.2 to 10 kHz at 12 dB/oct

-

1.2

2.0

Battery Resistance Stability

R

B

= 22

Ω

--

22

Ω

Volume Control Range

R

VC

= 100 to 100.1 k

Ω S1 open

36

43

-

dB

Input Impedance (Pin 6)

R

IN

-27

-

k

Ω

Frequency Response (-3 dB)

Low

-

100

-

Hz

High

-

5K

-

Hz

Maximum Output

S2 closed

0.125

0.19

0.275

Gain Dependence of RB

-

0.16

-

dB/

Ω

Emitter Bias Voltage (Pin 2)

V

RE

-

42.5

-

mV

ABSOLUTE MAXIMUM RATINGS

PARAMETER

VALUE & UNITS

Supply Voltage

3 V

Power dissipation

25 mW

Operating Temperature

-10 to +40

°C

Storage Temperature

-20 to +70

°C

CAUTION

CLASS 1 ESD SENSITIVITY

1

4

5

8

R

E

I/P

GND

V

MIC

MPO

O/P

V

B

PIN CONNECTION

R

VC

ELECTRICAL CHARACTERISTICS

B

= 1.55 VDC

All switches and parameters remain as shown in test circuit unless stated in condition column