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PDF PCM1700U Data sheet ( Hoja de datos )
| Número de pieza | PCM1700U | |
| Descripción | Dual 18-Bit Monolithic Audio DIGITAL-TO-ANALOG CONVERTER | |
| Fabricantes | Burr-Brown Corporation | |
| Logotipo |  |
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® PCM1700U
PCM1700P
Dual 18-Bit Monolithic Audio
DIGITAL-TO-ANALOG CONVERTER
FEATURES
q DUAL 18-BIT LOW-POWER MONOLITHIC
AUDIO D/A CONVERTER
q VERY LOW MAX THD+N: –92dB Without
External Adjust
q CO-PHASE, LOW-GLITCH ±3V OR ±670µA
AUDIO OUTPUTS
q CAPABLE OF 16X PER CHANNEL
OVERSAMPLING RATE
q COMPLETE WITH INTERNAL
REFERENCE
q SERIAL INPUT FORMAT 100% COMPAT-
IBLE WITH INDUSTRY STD PCM56P
q RUNS ON ±5V SUPPLIES AND
DISSIPATES 300mW MAX
q COMPACT 28-PIN PLASTIC DIP
OR SOIC
DESCRIPTION
The PCM1700 is a low cost, high-performance, dual
18-bit digital-to-analog converter. The PCM1700 fea-
tures low glitch, co-phase current and voltage outputs
and only requires ±5V supplies. The PCM1700 comes
complete with an internal reference and optional MSB
adjustability for even greater THD performance. Total
power dissipation is less than 400mW max. Low
maximum Total Harmonic Distortion + Noise (–92dB
max; PCM1700P-K) is 100% tested. The very fast
PCM1700 is also capable of 16X oversampling rates
on both channels simultaneously, providing freedom
in output filter selection.
The PCM1700 comes in space-saving 28-pin plastic
DIP and SOIC packages. PCM1700 accepts a serial
data input format that is compatible with other Burr-
Brown PCM products such as the industry standard
PCM56P.
MSB Adj Left
IOUT Left SJ
Data Left
Clock
Latch Enable
Data Right
Control
Logic
18-Bit
Serial-to-Parallel
Shift Register
18-Bit
Serial-to-Parallel
Shift Register
18-Bit
I OUT DAC
Reference
18-Bit
I OUT DAC
VOUT Left
VOUT Right
MSB Adj Right
IOUT Right SJ
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
© 1990 Burr-Brown Corporation
PDS-1035D
Printed in U.S.A. August, 1993
1 page  
+5V
+
10µF
–5V
10µF
0.47µF
0.47µF
0.47µF
1 –VCC
2 CAP
0.1µF
3 MSB Adj (Left)
DCOM 28
+VCC 27
VPOT 26
0.1µF 4 NC
5 CAP
CAP 25
MSB Adj (Right) 24
6 IOUT (Left)
CAP 23
7 ACOM (Left) IOUT (Right) 22
8 SJ (Left)
ACOM (Right) 21
9 VOUT (Left)
SJ (Right) 20
10 NC
VOUT (Right) 19
11 +VDD
12 DATA (Left)
NC 18
DCOM 17
13 Clock
DATA (Right) 16
14 –VDD
LE 15
0.47µF
0.1µF
0.1µF
100kΩ
0.01µF
100kΩ
100kΩ
100kΩ
.01µF
Optional Bit
Adjust Circuit
FIGURE 3. Voltage Output Connection Diagram (DIP Package Diagram.)
+5V
+
10µF
–5V
10µF
+
0.47µF
4.5kΩ (1)
VOUT (R)
1.22kΩ (1)
BB
OPA602BP
0 .47µF
0.47µF
1 –VCC
2 CAP
0.1µF
3 MSB Adj (Left)
DCOM 28
+VCC 27
VPOT 26
0.1µF 4 NC
5 CAP
CAP 25
MSB Adj (Right) 24
6 IOUT (Left)
CAP 23
7 ACOM (Left) IOUT (Right) 22
8 SJ (Left)
ACOM (Right) 21
9 VOUT (Left)
SJ (Right) 20
10 NC
VOUT (Right) 19
11 +VDD
12 DATA (Left)
NC 18
DCOM 17
13 Clock
DATA (Right) 16
14 –VDD
LE 15
0.47µF
0.1µF
0.1µF
100kΩ
0.01µF
100kΩ
100kΩ
100kΩ
0.01µF
Optional Bit
Adjust Circuit
4.55kΩ (1)
VOUT (L)
1.22kΩ (1)
BB
OPA602BP
NOTES:
(1) Low TCR resistors
such as Vishay.
FIGURE 4. Current Output Connection Diagram (DIP Package Diagram.)
5
PCM1700
®
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet PCM1700U.PDF ] | |
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