AD1983 Analog Devices, AD1983 Datasheet

AD1983

Manufacturer Part Number

AD1983

Description

Manufacturer

Analog Devices

Datasheet

1.AD1983.pdf (16 pages)

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FEATURES

2 DAC channels: 16-, 20-, or 24-bit

2 ADC channels: 16- or 20-bit

HD audio sample rates

Greater than 90 dB dynamic range

S/PDIF output: 32 kHz, 44.1 kHz, or 48 kHz, 16- or 24-bit

Digital BEEP generator

Integrated headphone amplifiers

Selectable microphone inputs with preamplifiers

Stereo line level inputs

Full analog mixer

2 GPIOs for external circuit control, jack sense

32-lead, Pb-free LFCSP_VQ (QFN) package

Rev. 0

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registered trademarks are the property of their respective owners.

8 kHz, 11.025 kHz, 16 kHz, 22.05 kHz, 32 kHz,

44.1 kHz, 48 kHz

SDATA_IN

SDATA_OUT

SYNC

RESET

BIT_CLK

+3.3V

NID: 04

PCM/FLOAT32

NID: 01

SENSE

GPIO

JACK

Σ-Δ ADC

20-BIT

48kHz

0dB TO +22.5dB

NID: 03

NID: 02

16-, 20-, 24-BIT

32kHz, 44.1kHz, 48kHz

PCM/AC3

S/PDIF TX

GPIO_0/JS_1

GPIO_1/JS_0

SENSE_A

SENSE_SRC

24-BIT

48kHz

PCM

Σ-Δ DAC

–34.5dB TO +12dB

FUNCTIONAL BLOCK DIAGRAM

NID: 13

NID: 0A

NID: 0E

NID: 11

S/PDIF_OUT

NID: 12

–34.5dB TO +12dB

Figure 1.

NID: 10

DIGITAL

PCBEEP

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

ENHANCED FEATURES

No AFILT pins, results in BOM savings

Jack sensing autoconfiguration options

Selectable sense trip level: high/low supports all jack types

Peripheral identification/enumeration

Jack presence detection: HD Audio SENSE and GPIOs

Microphone to MONO_OUT for speakerphone

Advanced power management modes

2 software-controlled microphone bias pins

Stereo microphone array capture

Mute line output and monaural output (MONO_OUT)

Mute MONO_OUT when a device is in the line out jack

Source from two different ports

0 dB, 10 dB, 20 dB, and 30 dB boost options

HD Audio SoundMAX

when headphones are used

0dB, 10dB, 20dB, 30dB

NID: 0C

0dB TO –45.0dB

3dB STEPS

BOOST

NID: 0B

NID: 0D

NID: 0F

–46.5dBTO +3dB

BIAS_SEL

MIC

BIAS

MIC

BIAS

OUTPUT_EN

BIAS_EN

+5.0V

NID: 06

NID: 05

NID: 07

NID: 09

NID: 08

PORT-C

LINE IN

PORT-B

MIC

AD1983

PORT-A

HEADPHONE

PORT-D

FRONT

MONO_OUT

MIC_BIAS-C

MIC_BIAS-B

www.analog.com

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