NOT

RECOMMENDED

FOR

NEW

DESIGNS

520 - 87 - 02

2

PAD CONNECTION

CAUTION

CLASS 1 ESD SENSITIVITY

ABSOLUTE MAXIMUM RATINGS

PARAMETER

VALUE / UNITS

Supply Voltage

5 VDC

Power Dissipation

25 mW

Operating Temperature Range

-10

° C to 40° C

Storage Temperature Range

-20

° C to 70° C

Conditions: Frequency = 1 kHz, Temperature 25

°C, Voltage Supply = 1.3 VDC

ELECTRICAL CHARACTERISTICS

Notes:

1. Headroom = 20 Log (V

RE DC

/ V

REACRMS

) [V

IN

= -70 dBV]

OUT

GND

MGND

IN

11

10

C4

9

8

7

12

13

2

3

1

14

4

15

5

6

16

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

OVERALL

Amplifier Current

I

AMP

80

190

300

µA

Minimum Operating Voltage

V

B

-

-

1.1

V

Overall Gain

A

V

51

54

57

dB

Distortion

THD

V

IN

= -40 dBV

-

0.2

1

%

R

TRIM

= R

VC

= 10 k

Ω

Input Referred Noise

IRN

A Weighted Filter

-

-

2.5

VOLTAGE REGULATOR

Regulator Voltage

V

REG

I

LOAD

= 30

µA

870

920

970

mVDC

Output Noise

A Weighted

-

2.9

-

STAGE A AND STAGE B

Input Bias Current

I

BIAS

-25

0

25

nA

DC Voltage Gain

Stage A

A

OL -A

-52

-

dB

Stage B

A

OL -B

-42

-

dB

Current Source Capabilities

I

SOURCE

15

30

-

µA

Output Voltage Swing - Low

V

SINK

260

315

-

mV

STAGE C AND CONTROL CIRCUIT

Maximum Current Sinking

I

SINK

R

E

grounded, V

P4

= 1.3 V

3

6

-

mA

Output Impedance

R

OUT

-24

-

k

Ω

Minimum Emitter Voltage

V

RE-MIN

25

9

mV

Maximum Emitter Voltage

V

RE-MAX

62

66

74

mV

Minimum Transducer Current

I

T-MIN

R

E,

R

E1

shorted

26

71

126

µA

Maximum Transducer Current

I

T-MAX

R

E,

R

E1

shorted

750

930

1100

µA

Maximum/Minimum Transducer

I

RANGE

16

20

28

dB

Current Ratio

Dynamic Headroom

Headroom

Note 1

14

17

22

dB

Time Constant

T

C

-

100

-

mS

All parameters and switches remain as shown in the Test Circuit unless otherwise stated in CONDITIONS column.