AT83SND2CMP3B datasheet(213/241 Pages) ATMEL

Part #	AT83SND2CMP3B

Description	Single-Chip Flash Microcontroller with MP3 Decoder with Full Audio Interface

PDF	241 Pages

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Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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213 / 241 page

213

4341F–MP3–03/06

AT8xC51SND2C/MP3B

Figure 24-9. Dissipated Power vs Output Power, AUDVBAT = 3.2V

24.2.6.2

DAC

AUDVDD, HSVDD = 2.8 V, Ta=25°C, typical case, unless otherwise noted

All noise and distortion specifications are measured in the 20 Hz to 0.425xFs and A-weighted

filtered.

Full Scale levels scale proportionally with the analog supply voltage.

100

150

200

250

300

350

400

450

500

550

600

100

200

300

400

500

600

700

800

Output Power [mW]

8 Ohms load

6.5 Ohms load

Table 24-6.

Audio DAC Specification

OVERALL

MIN

TYP

MAX

UNITS

Operating Temperature

-40

+25

+125

°C

Analog Supply Voltage (AUDVDD, HSVDD)

2.7

2.8

3.3

Digital Supply Voltage (VDD)

2.4

2.8

3.3

Audio Amplifier Supply (AUDVBAT)

3.2

5.5

DIGITAL INPUTS/OUTPUTS

Resolution

Bits

Logic Family

CMOS

Logic Coding

2’s Complement

ANALOG PERFORMANCE – DAC to Line-out/Headphone Output

Output level for full scale input

(for AUDVDD, HSVDD = 2.8 V)

1.65

Vpp

Output common mode voltage

0.5xHSVDD

Output load resistance (on HSL, HSR)

- Headphone load

- Line load

Ohm

kOhm

AT83SND2CMP3B Datasheet(PDF) 213 Page - ATMEL Corporation

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