®
49%
FPO
PCM1801
PCM1801
For most current data sheet and other product
information, visit www.burr-brown.com
16-Bit, Stereo, Audio
ANALOG-TO-DIGITAL CONVERTER
FEATURES
DESCRIPTION
● DUAL 16-BIT MONOLITHIC ∆Σ ADC
PCM1801 is a low cost, single chip stereo analog-to-
digital converter with single-ended analog voltage
inputs. The PCM1801 uses a delta-sigma modulator
with 64x oversampling, a digital decimation filter, and
a serial interface which supports Slave mode operation
and two data formats. The PCM1801 is suitable for a
wide variety of cost-sensitive consumer applications
where good performance is required.
● SINGLE-ENDED VOLTAGE INPUT
● 64X OVERSAMPLING DECIMATION FILTER:
Passband Ripple: ±0.05dB
Stopband Attenuation: –65dB
● ANALOG PERFORMANCE:
THD+N: –88dB (typ)
SNR: 93dB (typ)
Dynamic Range: 93dB (typ)
Internal High-Pass Filter
● PCM AUDIO INTERFACE: Left Justified,
I2S
● SAMPLING RATE: 4kHz to 48kHz
● SYSTEM CLOCK: 256fS, 384fS, or 512fS
● SINGLE +5V POWER SUPPLY
● SMALL SO-14 PACKAGE
PCM1801
(+)
Single-Ended-
to-Differential
Converter
5th-Order
∆Σ
Modulator
BCK
VINL
(–)
Serial Data
LRCK
x1/64
Decimation
and
Interface
VREF
1
Reference
VREF2
High-Pass Filter
(–)
(+)
Single-Ended-
to-Differential
Converter
5th-Order
∆Σ
Modulator
VINR
DOUT
FMT
Format
Control
BYPAS
SCKI
Clock/Timing Control
Power Supply
VCC
AGND
DGND
VDD
International Airport Industrial Park
•
Mailing Address: PO Box 11400, Tucson, AZ 85734
•
Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706
•
Tel: (520) 746-1111
Twx: 910-952-1111 Internet: http://www.burr-brown.com/
•
•
Cable: BBRCORP Telex: 066-6491
•
•
FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
© 1999 Burr-Brown Corporation
PDS-1554B
Printed in U.S.A. May, 2000
BB [ BURR-BROWN CORPORATION ]
