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PCM54
PCM55
DESIGNED FOR AUDIO
16-Bit Monolithic
DIGITAL-TO-ANALOG CONVERTERS
FEATURES
q
PARALLEL INPUT FORMAT
q
16-BIT RESOLUTION
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15-BIT MONOTONICITY (typ)
q
鈥?2dB TOTAL HARMONIC DISTORTION
(K Grade)
q
3
碌
s SETTLING TIME (Voltage Out)
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96dB DYNAMIC RANGE
q
鹵
3V or
鹵
1mA AUDIO OUTPUT
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OPERATES ON
鹵
5V (PCM55) TO
鹵
12V
(PCM54) SUPPLIES
q
28-PIN DIP (PCM54)
q
24-LEAD SOIC (PCM55)
DESCRIPTION
The PCM54 and PCM55 family of converters are
parallel input, fully monotonic, 16-bit digital-to-ana-
log converters that are designed and specified for
digital audio applications. These devices employ ul-
tra-stable nichrome (NiCr) thin-film resistors to pro-
vide monotonicity, low distortion, and low differential
linearity error (especially around bipolar zero) over
long periods of time and over the full operating
temperature.
These converters are completely self-contained with a
stable, low noise, internal, zener voltage reference;
high speed current switches; a resistor ladder
network; and a fast settling, low noise output opera-
tional amplifier all on a single monolithic chip. The
converters are operated using two power supplies that
Reference
Voltage
R
F
can range from
鹵5V
(PCM55) to
鹵12V
(PCM54).
Power dissipation with
鹵5V
supplies is typically less
than 200mW. Also included is a provision for exter-
nal adjustment of the MSB error (differential linearity
error at bipolar zero, PCM54 only) to further improve
Total Harmonic Distortion (THD) specifications if
desired.
A current output (I
OUT
) wiring option is provided. This
output typically settles to within
鹵0.006%
of FSR
final value in 350ns (in response to a full-scale change
in the digital input code).
The PCM54 is packaged in 28-pin plastic DIP pack-
age. The PCM55 is available in a 24-lead plastic mini-
flatpak.
Parallel
Digital
Input
16-Bit Ladder
Resistor Network
and
Current Switches
Output
Operational
Amplifier
Audio Output
(Voltage)
International Airport Industrial Park 鈥?Mailing Address: PO Box 11400, Tucson, AZ 85734 鈥?Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 鈥?Tel: (520) 746-1111 鈥?Twx: 910-952-1111
Internet: http://www.burr-brown.com/ 鈥?FAXLine: (800) 548-6133 (US/Canada Only) 鈥?Cable: BBRCORP 鈥?Telex: 066-6491 鈥?FAX: (520) 889-1510 鈥?Immediate Product Info: (800) 548-6132
漏
1985 Burr-Brown Corporation
PDS-619B
Printed in U.S.A. August, 1998
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