THAT Corporation; 45 Sumner Street; Milford, Massachusetts 01757-1656; USA

Tel: +1 (508) 478-9200; Fax: +1 (508) 478-0990; Web: www.thatcorp.com

Page 2

Balanced Line Receiver ICs

Preliminary Information

Absolute Maximum Ratings (T

+18 V

TBD mW

-18 V

0 to +70°C

-40 to +125°C

150°C

Continuous

Lead Temperature (Soldering 60 seconds)

TBD °C

Positive Input Voltage (Ref, Sense)

+18 V

Negative Input Voltage (Ref, Sense)

-18 V

THAT1240

THAT1243

THAT1246

Positive Input Voltage (In+,In-)

Vcc x 2

Vcc x 2.4

Vcc x 3

Negative Input Voltage (In+, In-)

Vee x 2

Vee x 2.4

Vee x 3

Recommended Operating Conditions

Parameter

Symbol

Conditions

Min

Typ

Max

Units

Positive Supply Voltage

+2.2

+18

V

Negative Supply Voltage

-2.2

-18

V

Parameter

Symbol

Conditions

Min

Typ

Max

Units

Supply Current

No signal

—

2.1

3.4

mA

Input Voltage Range

Differential (equal and opposite swing)

THAT1240 (0 dB gain)

—

21.5

—

dBu

3

THAT1243 (-3 dB gain)

—

24.5

—

dBu

THAT1246 (-6 dB gain)

—

27.5

—

dBu

Common mode

THAT1240 (0 dB gain)

—

27.5

—

dBu

THAT1243 (-3 dB gain)

—

29.1

—

dBu

THAT1246 (-6 dB gain)

—

31.0

—

dBu

Input Impedance

4

Common mode (all versions)

—

9

—

k

W

Differential

THAT1240

—

18

—

k

W

THAT1243

—

21

—

k

W

THAT1246

—

24

—

k

W

Common Mode Rejection

CMR

DC

70

90

—

dB

60 Hz

70

90

—

dB

20 kHz

—

85

—

dB

44 kHz

—

60

—

dB

Power Supply Rejection

5

PSR

THAT1240

—

82

—

dB

THAT1243

—

80

—

dB

1. All specifications are subject to change without notice.

2. Unless otherwise noted, T

3. 0 dBu = 0.775Vrms.

4. See test circuit in Figure 2.

5. Defined with respect to differential gain.