that1250 THAT Corporation, that1250 Datasheet

no-image

that1250

Manufacturer Part Number
that1250
Description
Low Cost, Balanced Line Receiver Ics
Manufacturer
THAT Corporation
Datasheet
• Good CMRR: typ. 50 dB at 60Hz
• Low cost, self-contained
• Excellent audio performance
• Low current: typ. 2 mA
• Several gains: 0 dB, ±3 dB, ±6 dB
• Industry Standard Pinout
amplifiers was designed primarily for use as balanced
line receivers for audio applications. Gains of 0 db, ±3
dB, and ±6 dB are available to suit various applications
requirements.
film resistors which offer good matching and excellent
tracking
Manufactured in THAT Corporation’s proprietary
complementary dielectric isolation (DI) process, the
THAT 1250-series provides the sonic benefits of
– Wide bandwidth: typ. >8.6 MHz
– High slew rate: typ. 12 V/μs
– Low distortion: typ. 0.0006% THD
– Low noise: typ. -103 dBu
The THAT 1250-series of precision differential
These devices include on-board precision thin-
THAT1250
THAT1253
THAT1256
Part no.
Figure 1. THAT 1250-series equivalent circuit diagram
In+
In-
due
FEATURES
to
their
Tel: +1 508 478 9200; Fax: +1 508 478 0990; Web: www.thatcorp.com
R
R
-3 dB
-6 dB
Gain
0 dB
THAT Corporation; 45 Sumner Street; Milford, MA 01757-1656; USA
1
3
Copyright © 2008, THAT Corporation
Vee
monolithic
Vcc
R
1
NC
, R
R
R
construction.
4
3
2
Description
R
2
, R
Sense
Vout
Ref
4
discrete designs with the simplicity, reliability, matching
and small size of an integrated solution.
dB of common-mode rejection. With 12 V/μs slew rate,
>8.6 MHz bandwidth, and 0.0006% THD, these
devices are sonically transparent. Moreover, current
consumption is typically a low 2 mA. Both surface-
mount and DIP packages are available.
INA137 and Analog Devices SSM2143, while the THAT
1250 is pin-compatible with the TI INA134 and Analog
Devices SSM2141.
• Balanced Audio Line Receivers
• Instrumentation Amplifiers
• Differential Amplifiers
• Precision Summers
• Current Shunt Monitors
Document 600068 Rev 02
All three versions of the part typically exhibit 50
The THAT 1256 is pin-compatible with the TI
APPLICATIONS
Pin Name
THAT 1250, 1253, 1256
Table 1. 1250-series pin assignments
Sense
±3 dB
±6 dB
Gain
Vout
0 dB
Vee
Vcc
Ref
NC
In+
In-
Table 2. Ordering information
Low Cost, Balanced
Line Receiver ICs
Plastic DIP
1250P08-U
1253P08-U
1256P08-U
DIP Pin
1
2
3
4
5
6
7
8
1250S08-U
1253S08-U
1256S08-U
Plastic SO
SO Pin
1
2
3
4
5
6
7
8

Related parts for that1250

that1250 Summary of contents

Page 1

... In+ Vee R Part no. Gain 1 THAT1250 0 dB THAT1253 -3 dB THAT1256 -6 dB Figure 1. THAT 1250-series equivalent circuit diagram THAT Corporation; 45 Sumner Street; Milford, MA 01757-1656; USA Tel: +1 508 478 9200; Fax: +1 508 478 0990; Web: www.thatcorp.com Copyright © 2008, THAT Corporation • Balanced Audio Line Receivers • ...

Page 2

... While specific resistor ratios are very closely trimmed, absolute resistance values can vary ±25% from the typical values show n. Input impedance is monitored by lot sampling. 6. Defined with respect to differential gain. 7. Parameter guaranteed over the entire range of power supply and temperature. THAT Corporation; 45 Sumner Street; Milford, MA 01757-1656; USA Tel: +1 508 478 9200; Fax: +1 508 478 0990; Web: www.thatcorp.com Page SPECIFICATIONS ...

Page 3

... The 1250-series devices rely upon the inherent matching of silicon-chromium (Si-Cr), thin-film, integrated resistors to achieve common mode rejection ratio and tight gain accuracy. THAT Corporation; 45 Sumner Street; Milford, MA 01757-1656; USA Tel: +1 508 478 9200; Fax: +1 508 478 0990; Web: www.thatcorp.com Page Conditions R = 2kΩ ...

Page 4

... CMRR of the devices. For this reason, THAT Corporation; 45 Sumner Street; Milford, MA 01757-1656; USA Tel: +1 508 478 9200; Fax: +1 508 478 0990; Web: www.thatcorp.com Page THAT recommends dc-coupling the inputs of the 1250-series devices ...

Page 5

... Out 6 U1 THAT1256/1253/1250 +In 3 Copyright © 2008, THAT Corporation Document 600068 Rev 02 dBu input signals, The 1250 (0dB gain only) will not U1 THAT1250 In- Sense Output 6 Vout In+ ...

Page 6

... Ref In Figure line receiver THAT Corporation; 45 Sumner Street; Milford, MA 01757-1656; USA Tel: +1 508 478 9200; Fax: +1 508 478 0990; Web: www.thatcorp.com Page Applications while attenuating the noise of the line receivers as well. The output noise of a THAT 1256 is -106 dBu. ...

Page 7

... Document 600068 Rev 02 U1 THAT1250 Sense In- 6 Vout Input In+ Ref Input 2 Figure 10. Precision two-input summing circuit In Hi +24 dBu In 2 In- Sense 3 Ref In Figure 11. Circuit for audio ADCs with balanced inputs Figure 12. Automated gain control of a balanced signal THAT Corporation ...

Page 8

... Figure 13. -P (DIP) version package outline drawing THAT Corporation; 45 Sumner Street; Milford, MA 01757-1656; USA Tel: +1 508 478 9200; Fax: +1 508 478 0990; Web: www.thatcorp.com Page Package Information Neither the lead-frames nor the plastic mold compounds used in the 1250-series contains any ...

Related keywords