PCM4220PFB datasheet(26/34 Pages) TI

Part #	PCM4220PFB

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

PDF	34 Pages

Scroll/Zoom	100%

Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

Logo

26 / 34 page

www.ti.com

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.

PCM4220

SBAS407A – DECEMBER 2006 – REVISED MAY 2007

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

Figure 46. 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 circuit is negligible.

Figure 47. Noninverting Differential Input Buffer Utilizing Standard Op Amps

Submit Documentation Feedback

PCM4220PFB Datasheet(PDF) 26 Page - Texas Instruments