PCM5100A datasheet(2/32 Pages) TI1

2 / 32 page

PCM5100A, PCM5101A, PCM5102A

SLAS859 – MAY 2012

www.ti.com

The integrated line driver surpasses all other charge-

APPLICATIONS

pump based line drivers by supporting loads down to

•

A/V Receivers

Ω.

supporting

loads

down

Ω,

the

•

DVD, BD Players

PCM510xA can essentially drive up to 10 products in

parallel. (LCD TV, DVDR, AV Receivers etc).

•

HDTV Receivers

•

Applications Requiring 2VRMS Audio Output

The integrated PLL on the device removes the

requirement for a system clock (commonly known as

master clock). This allows a 3-wire I2S connection,

DESCRIPTION

along with reduced system EMI.

The PCM510xA devices are a family of monolithic

CMOS integrated circuits that include a stereo digital-

Intelligent clock error and PowerSense under voltage

to-analog converter and additional support circuitry in

protection utilizes a two level mute system for pop-

a small TSSOP package. The PCM510xA uses the

free performance. Upon clock error or system power

latest generation of TI’s advanced segment-DAC

failure, the device digitally attenuates the data (or last

architecture

achieve

excellent

dynamic

known good data), then mutes the analog circuit

performance and improved tolerance to clock jitter.

Compared

with

existing

DAC

technology,

the

The PCM510xA provides 2.1VRMS ground centered

PCM510xA family offers up to 20dB lower out-of-

outputs, allowing designers to eliminate DC blocking

band noise, reducing EMI and aliasing in downstream

capacitors on the output, as well as external muting

amplifiers/ADCs.

(from

traditional

100kHz

OBN

circuits traditionally associated with single supply line

measurements all the way to 3MHz)

drivers.

The PCM510xA accepts industry-standard audio data

formats with 16- to 32-bit data. Sample rates up to

384kHz are supported.

Table 1. Differences Between PCM510xA Devices

Part Number

Dynamic Range

SNR

THD

PCM5102A

112dB

–93dB

PCM5101A

106dB

–92dB

PCM5100A

100dB

–90dB

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