Datasheet > ADAU1860

ADAU1860

更新时间： 2023-12-20 18:45:42

品牌	Logo	应用领域
亚德诺 - ADI		编解码器
页数	文件大小	规格书
30页	2295K
描述
三个ADC、一个DAC、具有音频DSP的低功耗编解码器

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ADAU1860 数据手册

Data Sheet

ADAU1860/ADAU1860-1

SPECIFICATIONS

Master clock = 24.576 MHz, Hibernate 1 mode, serial input sample rate = 48 kHz, measurement bandwidth = 20 Hz to 20 kHz, word width =

24 bits, ambient temperature = 25°C, and outputs line loaded with 10 kΩ, unless otherwise noted.

ANALOG PERFORMANCE SPECIFICATIONS

Supply voltages: AVDD = HPVDD = IOVDD = 1.8 V, and DVDD = 0.9 V, unless otherwise noted.

Table 1.

Parameter

Test Conditions/Comments

Min

Typ

Max

Unit

ANALOG-TO-DIGITAL CONVERTERS (ADCs)

ADC Resolution

All ADCs

Bits

Digital Gain Step

0.375

Digital Gain Range

–71.25

+24

INPUT RESISTANCE (R_IN

)

Single-Ended Line Input

Nonvoice wake-up mode

Voice wake-up mode

kΩ

20.6

Differential Line Input

Nonvoice wake-up mode

Voice wake-up mode

Programmable Gain Amplifier (PGA) Single-Ended

Inputs

PGA high R_IN, normal, 0 dB gain

PGA high R_IN, normal, 24 dB gain

PGA low R_IN, enhanced, 0 dB gain

PGA low R_IN, enhanced, 24 dB gain

PGA high R_IN, enhanced, 0 dB gain

PGA high R_IN, enhanced, 24 dB gain

PGA high R_IN, normal, 0 dB gain

PGA high R_IN, normal, 24 dB gain

PGAlow R_IN, enhanced, 0 dB gain

PGA low R_IN, enhanced, 24 dB gain

PGA high R_IN, enhanced, 0 dB gain

PGA high R_IN, enhanced, 24 dB gain

PGAx_EN = 0, and PGAx_SLEW_DIS = 1

0 dBFS

2.4

kΩ

10.3

1.2

20.6

2.4

PGA Differential Inputs

41.2

4.8

20.6

2.4

41.2

4.8

SINGLE-ENDED LINE INPUT

Full-Scale Input Voltage

0.49

1.39

V rms

V p-p

0 dBFS

Dynamic Range¹

20 Hz to 20 kHz, −60 dB input

Enhanced performance

With A-Weighted Filter (RMS)

103

102

Normal performance

Power saving

Voice wake up

With Flat 20 Hz to 20 kHz Filter

Enhanced performance

Normal performance

Power saving

Voice wake up

Signal-to-Noise Ratio (SNR)²

With A-Weighted Filter (RMS)

Enhanced performance

Normal performance

Power saving

102

Voice wake up

With Flat 20 Hz to 20 kHz Filter

Enhanced performance

Normal performance

Power saving

Voice wake up

analog.com

Rev. B | 4 of 30

1 2 345 6 7...30

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