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PCM1702U2KE6 数据手册 - TI（德州仪器）
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TI（德州仪器）
分类:
DA转换器
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SOP
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PCM1702U2KE6数据手册
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1
®
PCM1702
BiCMOS Advanced Sign Magnitude 20-Bit
DIGITAL-TO-ANALOG CONVERTER
DESCRIPTIONFEATURES
● ULTRA LOW –96dB max THD+N
(No External Adjustment Required)
● NEAR-IDEAL LOW LEVEL OPERATION
● GLITCH-FREE OUTPUT
● 120dB SNR TYP (A-Weight Method)
● INDUSTRY STD SERIAL INPUT FORMAT
● FAST (200ns) CURRENT OUTPUT
(
±1.2mA)
● CAPABLE OF 16X OVERSAMPLING
● COMPLETE WITH REFERENCE
● LOW POWER (150mW typ)
49%
FPO
The PCM1702 is a precision 20-bit digital-to-analog
converter with ultra-low distortion (–96dB typ with a
full scale output). Incorporated into the PCM1702 is
an advanced sign magnitude architecture that elimi-
nates unwanted glitches and other nonlinearities around
bipolar zero. The PCM1702 also features a very low
noise (120dB typ SNR: A-weighted method) and fast
settling current output (200ns typ, 1.2mA step) which
is capable of 16X oversampling rates.
Applications include very low distortion frequency
synthesis and high-end consumer and professional
digital audio applications.
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 • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
Reference
and
Servo
I
OUT
DCOM
LE
Data
Clock
BPO DC
Bipolar Offset
Balanced Current
Segment DAC A
Input Shift Register
and Control Logic
Balanced Current
Segment DAC B
SERV DCRF DC
ACOM
+V
CC
–V
CC
PCM1702P
PCM1702U
© 1993 Burr-Brown Corporation PDS-1175B Printed in U.S.A. June, 1995
®
SBAS026
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