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PDF TDA8779 Data sheet ( Hoja de datos )
| Número de pieza | TDA8779 | |
| Descripción | 10-bit converter interface ADC/DAC for quadrature transceiver | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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INTEGRATED CIRCUITS
DATA SHEET
TDA8779
10-bit converter interface
(ADC/DAC) for quadrature
transceiver
Objective specification
Supersedes data of 1996 Sep 05
File under Integrated Circuits, IC02
1996 Sep 18
1 page  
Philips Semiconductors
10-bit converter interface (ADC/DAC) for
quadrature transceiver
Objective specification
TDA8779
handbook, full pagewidth
AGND1 1
DEC1 2
DEC2 3
INI 4
DEC3 5
INQ 6
VCCA1 7
VCCA2 8
OUTI 9
DEC4 10
OUTQ 11
TDA8779H
33 OGND
32 OE
31 VCCD1
30 CLKA
29 STDBYA
28 DGND1
27 STDBYD
26 CLKD
25 DGND2
24 D9D
23 D8D
Fig.2 Pin configuration.
MGG074
1996 Sep 18
5
5 Page 
Philips Semiconductors
10-bit converter interface (ADC/DAC) for
quadrature transceiver
Objective specification
TDA8779
Table 1 Output coding and input voltage (typical value, referenced to AGND)
STEP
underflow
0
...
512
...
1023
overflow
Vi − V512
(V)
<−0.75
−0.75
...
0
...
0.75
>0.75
D9A
0
0
...
1
...
1
1
D8A
0
0
...
0
...
1
1
D7A
0
0
...
0
...
1
1
BINARY OUTPUT BITS
D6A D5A D4A D3A
0000
0000
... ... ... ...
0000
... ... ... ...
1111
1111
D2A
0
0
...
0
...
1
1
D1A
0
0
...
0
...
1
1
D0A
0
0
...
0
...
0
1
Table 2 Input coding and output voltage (typical value, referenced to DGND)
STEP
0
...
512
...
1023
D9D
0
...
1
...
1
D8D
0
...
0
...
1
D7D
0
...
0
...
1
BINARY INPUT BITS
D6D D5D D4D D3D
0000
... ... ... ...
0000
... ... ... ...
1111
D2D
0
...
0
...
1
D1D
0
...
0
...
1
D0D
0
...
0
...
0
Vo − V512
(V)
−0.5
...
0
...
0.5
Table 3 Mode selection
OE
1
0
D0A TO D9A
high impedance
active; binary
Table 4 Standby selection
STDBYA
1
0
D0 TO D9
−
active
ICCA + ICCD (typ.)
5 mA
64 mA
Table 5 Standby selection
STDBYD
1
0
OUTI AND OUTQ
−
active
ICCA + ICCD (typ.)
5 mA
38 mA
1996 Sep 18
11
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet TDA8779.PDF ] | |
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