+18 V

-18 V

330 mW

-20 to +75˚C

-40 to +125˚C

Recommended Operating Conditions

2151

2150A

2155

Parameter

Symbol

Conditions

Min

Typ

Max

Min

Typ

Max

Min

Typ

Max

Units

Positive Supply Voltage

V

CC

+5

+12

+15

+5

+12

+15

+5

+12

+15

V

Negative Supply Voltage

V

EE

-5

-12

-15

-5

-12

-15

-5

-12

-15

V

Bias Current

I

SET

V

CC

-V

EE

= 24 V

—

2.4

4

—

2.4

4

—

2.4

4

mA

Signal Current

I

IN

+I

OUT

I

SET

= 2.4 mA

—

175

750

—

175

750

—

125

550

µArms

Electrical Characteristics

2

2151

2150A

2155

Parameter

Symbol

Conditions

Min

Typ

Max

Min

Typ

Max

Min

Typ

Max

Units

Supply Current

I

CC

No Signal

—

2.4

4

—

2.4

4

—

2.4

4

mA

Equiv. Input Bias Current

I

B

No Signal

—

5

8

—

5

8

—

5

8

nA

Input Offset Voltage

V

OFF(IN)

No Signal

—

+10

—

—

+10

—

—

+10

—

mV

Output Offset Voltage

V

OFF(OUT)

R

out

=20 k

Ω

0 dB gain

—

1

3

—

1

3

—

1

3

mV

+15 dB gain

—

2

3

—

2

3

—

2

3

mV

+40 dB gain

—

5

15

—

7

15

—

10

15

mV

Gain Cell Idling Current

I

IDLE

—20

—

—20

—

—20

—

µA

Gain-Control Constant

T

A

=25˚C (T

CHIP

≅35˚C)

-60 dB < gain < +40 dB

E

C+

/Gain (dB)

Pins 2 & 4 (Fig. 14)

6.0

6.1

6.2

6.0

6.1

6.2

6.0

6.1

6.2

mV/dB

E

C-

/Gain (dB)

Pin 3

-6.0

-6.1

-6.2

-6.0

-6.1

-6.2

-6.0

-6.1

-6.2

mV/dB

Gain-control TempCo

∆ E

C

/

∆ T

CHIP

Ref T

CHIP

= 27˚C

—

+0.33

—

—

+0.33

—

—

+0.33

—

%/˚C

Gain-Control Linearity

-60 to +40 dB gain

—

0.5

2

—

0.5

2

—

0.5

2

%

Off Isolation (Fig. 14)

E

C+

=-360mV, E

C-

=+360mV

110

115

—

110

115

110

115

—

dB

Output Noise

e

n(OUT)

20 Hz-20 kHz

R

out

= 20k

Ω

0 dB gain

—

-98

-97

—

-98

-96

—

-98

-96

dBV

+15 dB gain

—

-88

-86

—

-88

-86

—

-88

-86

dBV

1. All specifications subject to change without notice.

2. Unless otherwise noted, TA=25˚C, VCC = +15V, VEE= -15V. Test circuit is as shown in Figure 3. SYMADJ is ad-

justed for minimum THD @ Vin=1 V, 1 kHz, 0 dB gain.

THAT Corporation; 734 Forest Street; Marlborough, Massachusetts 01752; USA

Tel: (508) 229-2500; Fax: (508) 229-2590; Web: http://www.thatcorp.com

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2150 Series IC VCAs