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THAT 1580/5263

Update Time ： 2018-06-27 View ： 3487

Features / Applications / Description

FEATURES
• Versatile two-chip solution:
- 1580 Programmable analog gain block
- 5263 Digital gain controller

• Accommodates full pro audio levels
  +27.5 dBu max input with ±17V supplies

• Programmable gain: 0 to 60 dB in 3 dB steps

• Low Noise: -128.5 dBu EIN, 51 dB gain, Rs=150 Ω

• Low THD+N: < 0.003% @ 1kHz, +24 dB gain

• Integrated zero crossing detector minimizes switching noise

• Daisy Chainable SPI control interface

• Two general purpose outputs (GPOs)

• Small footprint:
   4 x 4 mm QFN16 (1580)
   5 x 5 mm QFN24 (5263)

Product Datasheets Download 5263 Datasheet (443 kB) Digital Mic Preamp Controller 1580 Datasheet (151kB) Differential Audio Preamplifier	Demo Board Datasheet & Software 5263-DEMO Datasheet (776 kB PDF file) 5263-DEMO Software (4.2 MB ZIP file)

THAT 1570/5263 Digital Microphone Preamp Circuit

DESCRIPTION

The THAT1580 and THAT5263 ICs enable digitally controlled microphone preamplifier applications with unprecedented performance. Operating on maximum ±17V supplies, the chipset accepts pro audio input levels (+27.5 dBu max) without an input pad. Gain is adjustable from 0dB to 60dB in 3dB increments. The 5263’s built-in zero-crossing detector and other patent-pending techniques for reducing zipper noise enable very smooth and silent gain changes.

Two general purpose outputs on the 5263 can be connected to a variety of peripheral functions, e.g. input pad, phantom power switches, signal routing switches, LED indicators, etc. Separating the analog mic pre front end (THAT1580) from the digital functions and switched resistor ladder (THAT5263) allows each IC to be optimized for high performance.

Key Specifications (see the 5263 and 1580 datasheets for complete specifications)

Parameter	Conditions	1580/5263 Combination	Units
Analog Supply Voltage	Referenced to AGND	±5 to ±17	V
Digital Supply Voltage	Referenced to DGND	3.3	V
Analog Supply Current	No Signal	8.7	mA
Digital Supply Current	No Signal	50	uA
Max Differential Input Level	±17 volt supplies, 0 dB gain	27.5	dBu
Max Differential Output Level	±17 volt supplies	29.6	dBu
Equivalent Input Noise, Rs = 150 Ω, BW = 22kHz	0 dB gain 21 dB gain 51 dB gain	-102.3 -119.5 -128.5	dBu
THD + N f = 1kHz, Vout = 24dBu BW = 22kHz	24 dB gain	0.003	%
Bandwidth (small signal) CL = 10pF	0 dB gain 21 dB gain 51 dB gain	3 2.57 770	MHz MHz kHz
Slew Rate, Vout = 10Vpp, CL = 10pF G = 21dB	—	32	V/µs
Dynamic Range Rs = 150 Ω, BW = 22kHz	Power supply voltage: ±17V 0 dB gain 21 dB gain 51 dB gain	129.8 128.1 107.1	dB

Model	Package	Order Number	Pricing (1000)	Min Order Quantity	Reference
1580	16 pin QFN	1580N16-U	$3.86*	92	Request Samples
1580	16 pin QFN Tape & Reel**	1580N16-UR		2000
5263	24 pin QFN	5263N24-U		46
5263	24 pin QFN Tape & Reel**	5263N24-UR		2000
5263 Demo Board	—	1580/5263-DEMO	$250.00	1
All 1580 and 5263 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. * Price per channel and when 1580 and 5263 are purchased as a pair. Pricing varies when purchased separately. **There is a small additional charge for tape and reel packaging.

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

More Analog Secrets Your Mother Never Told You (915k)

At the 127th AES Convention attendees were invited to attend a THAT exhibitor seminar — "More Analog Secrets Your Mother Never Told You". A sequel to our popular first "Analog Secrets" seminar, this new presentation exposes more design secrets including “extreme performance” microphone preamps, protecting audio inputs/outputs during phantom power faults, and maintaining high dynamic range in low cost applications.
Digitally Controlled Microphone Preamplifier Selector

A side by side comparison of the features and specifications of our digitally controlled microphone preamplifier chip sets.

1580/5263 Digitally-Controlled Mic Preamp Demo Board - The THAT 1580/5263 Digitally-Controlled Mic Preamp Demo Board (US$250) allows developers to evaluate the performance of the THAT1580 / THAT5263 chipset. The demo board provides a balanced audio input on a Neutrik "combo" connector with 48V phantom power, and a balanced audio output on XLR and ¼" TRS connectors. The supplied graphical user interface (GUI) controls all functions in the 5263 chip via USB. A prototyping area is available for adding or modifying circuitry. See the 5263 DEMO Datasheet for more information.

1580 and 5263 Surface Mount Adapter Boards - 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.

1580 Material Data Declaration Sheet

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

5263 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 1580/5263