PCM4222_07 datasheet(32/40 Pages) BURR-BROWN

Part #	PCM4222

Description	High-Performance, Two-Channel, 24-Bit, 216kHz Sampling Multi-Bit Delta-Sigma Analog-to-Digital Converter

PDF	40 Pages

Scroll/Zoom	100%

Manufacturer	BURR-BROWN [Burr-Brown (TI)]

Direct Link	http://www.burr-brown.com

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32 / 40 page

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560W

40.2W

270W

1nF

100nF

VINL orVINR

VINL orVINR+

560W

2.7nF

VCOML

VCOMR

INPUT+

INPUT-

U1,U2=NE5534A,OPA227,orsimilar

R W

10kW

40.2W

1.5kW

1nF

VINL

+ orVINR

VINL

- orVINR

R W

2.7nF

INPUT+

INPUT-

VCOML

VCOMR

U1,U2=NE5534A,OPA227,orsimilar.

U3=OPA227orequivalent.

PCM4222

SBAS399A – OCTOBER 2006 – REVISED MARCH 2007

C1 and C2 provide ac coupling. They may be removed if the dc offset from the preceeding circuit is negligible.

Figure 51. Alternative Buffer Circuit Using Standard Op Amps

R1 and R2 are optional. When used, values may be selected for the desired attenuation.

C1 and C2 provide ac coupling. They may be removed if the dc offset from the preceeding circuit is negligible.

Figure 52. Noninverting Differential Input Buffer Utilizing Standard Op Amps

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PCM4222 Datasheet(PDF) 32 Page - Burr-Brown (TI)