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THAT1246 Datasheet Preview

THAT1246 Datasheet

(THAT1240 / THAT1243 / THAT1246) Balanced Line Receiver ICs

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T H AT Corporation
FEATURES
· High CMRR: typically 90dB at 60Hz
· Wide bandwidth and high slew rate
· Low distortion and low noise
· Available in 0 dB, -3 dB, and -6 dB
versions
· Pin compatible with SSM2143 and
INA137
Balanced Line Receiver ICs
THAT 1240, 1243, 1246
APPLICATIONS
· Balanced Audio Line Receivers
· Summing Amplifiers
· Differential Amplifiers
· Current Shunt Monitors
· Ground Loop Eliminator
Description
The THAT 124x series of precision differential
amplifiers are designed primarily for use as audio
balanced line receivers. Gains of 0 db, -3 dB, and
-6 dB are available to suit various applications re-
quirements.
The THAT 1246 is drop-in compatible with
the Burr-Brown INA137 and Analog Devices
SSM2143, while the THAT 1240 is drop-in com-
patible with the SSM2140.
All devices exhibit 90 dB of typical com-
mon-mode rejection, slew rates of 12 V/ms, a
20MHz bandwidth, and 0.0006% THD. Both sur-
face-mount and DIP packages are available.
The THAT 124x family are laser-trimmed to
obtain the precision resistor matching needed for
high CMR performance. Fashioned in THAT Cor-
poration's proprietary dielectric isolation (DI)
process, the THAT 124x series provides the sonic
benefit of discrete designs, with the compact size,
reliability, matching, and thermal tracking of a
fully integrated solution.
Vcc
In- Sense
Vout
In+ Ref
Vee NC
Figure 1. THAT1240-series equivalent circuit diagram
Pin Name
Ref
In-
In+
Vee
Sense
Vout
Vcc
NC
DIP Pin
1
2
3
4
5
6
7
8
SO Pin
1
2
3
4
5
6
7
8
Table 1. 1240 Series pin assignments
Gain Plastic DIP Plastic SO
0 dB
1240P
1240S
-3 dB
1243P
1243S
-6 dB
1246P
1246S
Table 2. Ordering information
THAT Corporation; 45 Sumner Street; Milford, Massachusetts 01757-1656; USA
Tel: +1 (508) 478-9200; Fax: +1 (508) 478-0990; Web: www.thatcorp.com




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THAT1246 Datasheet Preview

THAT1246 Datasheet

(THAT1240 / THAT1243 / THAT1246) Balanced Line Receiver ICs

No Preview Available !

Page 2
Balanced Line Receiver ICs
Preliminary Information
SPECIFICATIONS1
Absolute Maximum Ratings (TA = 25°C)
Positive Supply Voltage (VCC)
Negative Supply Voltage (VEE)
Storage Temperature Range (TST)
Output Short-Circuit Duration (tSH)
Positive Input Voltage (Ref, Sense)
Positive Input Voltage (In+,In-)
Negative Input Voltage (In+, In-)
+18 V
-18 V
-40 to +125°C
Continuous
+18 V
THAT1240
Vcc x 2
Vee x 2
Power Dissipation (PD) (TA = 75°C)
Operating Temperature Range (TOP)
Junction Temperature (TJ)
Lead Temperature (Soldering 60 seconds)
Negative Input Voltage (Ref, Sense)
THAT1243
THAT1246
Vcc x 2.4
Vcc x 3
Vee x 2.4
Vee x 3
TBD mW
0 to +70°C
150°C
TBD °C
-18 V
Parameter
Positive Supply Voltage
Negative Supply Voltage
Recommended Operating Conditions
Symbol
VCC
VEE
Conditions
Min
+2.2
-2.2
Typ
Max
+18
-18
Parameter
Supply Current
Input Voltage Range
Input Impedance4
Common Mode Rejection
Power Supply Rejection5
Electrical Characteristics2
Symbol
ICC
Conditions
No signal
Min
VIN-DIFF
VIN-CM
Differential (equal and opposite swing)
THAT1240 (0 dB gain)
THAT1243 (-3 dB gain)
THAT1246 (-6 dB gain)
Common mode
THAT1240 (0 dB gain)
THAT1243 (-3 dB gain)
THAT1246 (-6 dB gain)
Typ
2.1
21.5
24.5
27.5
27.5
29.1
31.0
Max
3.4
ZIN-CM
ZIN-DIFF
Common mode (all versions)
9
Differential
THAT1240
— 18 —
THAT1243
— 21 —
THAT1246
— 24 —
CMR Matched source impedances; VCM = ±10V
DC 70 90 —
60 Hz
70 90 —
20 kHz
— 85 —
44 kHz
— 60 —
PSR
At 60 Hz, with VCC = -VEE
THAT1240
THAT1243
— 82 —
— 80 —
1. All specifications are subject to change without notice.
2. Unless otherwise noted, TA=25°C, VCC = +15V, VEE = -15V, Gain=-6dB
3. 0 dBu = 0.775Vrms.
4. See test circuit in Figure 2.
5. Defined with respect to differential gain.
THAT Corporation; 45 Sumner Street; Milford, Massachusetts 01757-1656; USA
Tel: +1 (508) 478-9200; Fax: +1 (508) 478-0990; Web: www.thatcorp.com
Units
V
V
Units
mA
dBu3
dBu
dBu
dBu
dBu
dBu
kW
kW
kW
kW
dB
dB
dB
dB
dB
dB


Part Number THAT1246
Description (THAT1240 / THAT1243 / THAT1246) Balanced Line Receiver ICs
Maker ETC
Total Page 8 Pages
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