®
PCM61P
PCM
61P
Serial Input 18-Bit Monolithic Audio
DIGITAL-TO-ANALOG CONVERTER
FEATURES
DESCRIPTION
q 18-BIT MONOLITHIC AUDIO D/A
CONVERTER
q LOW MAX THD + N: –92dB Without
External Adjust
The PCM61P is an 18-bit totally pin compatible performance replacement for the popular 16-bit PCM56P.
With the addition of two extra bits, lower max THD+N
(–92dB; PCM61P-K) can be achieved in audio applications already using the PCM56P. The PCM61P is
complete with internal reference and output op amp and
requires no external parts to function as an 18-bit DAC.
The PCM61P is capable of an 8-times oversampling
rate (single channel) and meets all of its specifications
without an external output deglitcher.
q 100% PIN COMPATIBLE WITH INDUSTRY
STD 16-BIT PCM56P
q LOW GLITCH OUTPUT OF ±3V OR ±1mA
q CAPABLE OF 8X OVERSAMPLING RATE
IN VOUT MODE
q COMPLETE WITH INTERNAL REFERENCE
AND OUTPUT OP AMP
q RELIABLE PLASTIC 16-PIN DIP PACKAGE
The PCM61P comes in a small, reliable 16-pin plastic
DIP package that has passed operating life tests under
simultaneous high temperature, high humidity and high
pressure testing.
VREF
Ref
MSB Adj
RF
Clock
Control
Logic
18-Bit
IOUT DAC
IOUT
SJ
Latch Enable
_
Data
Serial-To-Parallel
Shift Register
VOUT
+
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/ • FAXLine: (800) 548-6133 (US/Canada Only) • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
®
©
1989 Burr-Brown Corporation
1
PDS-972E
PCM61P
Printed in U.S.A. October, 1993