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THAT 1280 Series

Update Time ： 2018-06-26 View ： 7010

Features / Applications / Description

FEATURES

• High CMRR: typ. 90 dB at 60 Hz
typ. 85 at 20 kHz
• Excellent audio performance
- Wide bandwidth: > 7.6 MHz
- High slew rate: 15 V/µs
- Low distortion: 0.0006 % THD
- Low noise: -107.3 dBu
• Low current: 3 mA
• Low output offset voltage: < 1 mV
• Three gain versions: 0 dB, ± 3 dB, & ± 6 dB
• Industry-standard pinout
• Self-contained

Datasheet Download
1280-Series Datasheet (129 kB)
Dual Balanced Line Receiver ICs

DESCRIPTION

The THAT 1280-series of precision differential amplifiers are designed primarily for use as audio balanced line receivers. Fabricated using THAT’s proprietary DI process, the THAT 1286 is drop-in compatible with the TI INA2137, while the THAT 1280 is pin compatible with the INA2134 and the Analog Devices AD8273.

The parts are available in models which can be configured as differential amplifiers for 0dB, +/-3dB, and +/-6dB gain. The internal precision-trimmed thin film resistors enable a wide variety of circuits that are virtually impossible to build with discrete components.

APPLICATIONS

• Balanced Audio Line Receivers
• Instrumentation Amplifiers
• Differential Amplifiers
• Precision Sum and Difference Networks
• M-S Matrices
• Precision Rectifiers
• Precision gain amplifiers
• Current Shunt Monitors

Key Specifications (see 1280 Series datasheet for complete specifications)

Parameter	Symbol	Conditions		Typical	Units
Gain		THAT 1280 THAT 1283 THAT 1286		0 ± 3 ± 6	dB
Common Mode Rejection Ratio	CMRR		60 Hz 20 kHz	90 85	dB
Input Voltage Range	—	Differential - equal & opposite swing	1280 1283 1286	21.5 24.4 27.5	dBu
Output Noise	—	BW = 20 kHz	1280 1283 1286	-104.5 -105.9 -107.3	dBu
Total Harmonic Distortion	THD	—		0.0006	%
Power Supply Voltage	—	—		± 3 to ± 18	V
Supply Current	—	—		2.0	mA
Supply Rejection Ratio	—	—		90	dB
Slew Rate	—	—		15	V/µs
Small Signal Bandwidth	—	RL = 2kΩ, CL = 10pF	1280 1283 1286	7.6 9.6 11.6	MHz
Capacitive Load	—	—		300	pF
Channel Separation	—	f = 1 kHz		120	dB

Model	Gain	Package	Order Number	Pricing (1000)	Min Order Quantity	Reference
1280	0 dB	14 pin SO	1280S14-U	$1.98	55	Request Samples
1280	0 dB	14 pin SO Tape & Reel	1280S14-UR	Contact us	2000
1283	-3 dB	14 pin SO	1283S14-U	$1.98	55
1283	-3 dB	14 pin SO Tape & Reel	1283S14-UR	Contact us	2000
1286	-6 dB	14 pin SO	1286S14-U	$1.98	55
1286	-6 dB	14 pin SO Tape & Reel	1286S14-UR	Contact us	2000
All 1280-Series parts are RoHS compliant. Minimum order quantity (MOQ) is one tube or one reel. Parts must be ordered in multiples of the MOQ. Samples are available to qualified applicants. Pricing is subject to change.

Design Note 133 Achieving Optimum CMRR with Differential Input A/D Converters (53k)

Design Note 140 Input and Output Circuits for THAT Preamplifier ICs (244k)

Analog Secrets Your Mother Never Told You (1528k)

Originally presented at the 123rd AES Convention, this seminar provides tips and techniques to achieve optimal performance in the analog signal path. Topics covered range from inputs (balanced line and mic level) to outputs (balanced to single-ended), and include analog signal processing (VCAs, RMS detection, and Analog Engines).
Line Receiver Selector - A side by side comparison of the features and specifications of our input stage ICs.

Part Number Cross Reference - A chart of THAT part numbers cross-referenced to other IC manufacturers.

1280-series Surface Mount Adapter Board - For our integrated circuits which are only available in surface mount packages THAT Corporation offers adapter boards which allow one of these surface-mount ICs to interface to a circuit board via traditional thru-hole mounting. These adapters make it easy for a design engineer to evaluate our surface-mount products on a prototype board without having to employ SMT technology. Adapter boards are available to qualified applicants.

Harsh Environment Packaging - TT Semiconductor repackages THAT Corporation’s IC products in ruggidized plastic for the medical, aerospace, defense, and heavy industrial marketplaces.

1240 Series Material Data Declaration Sheet

Material Data Declaration Sheets (MDDS) disclose the hazardous materials in our integrated circuits as required by the European RoHS directive.

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THAT 1280 Series