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PDF TDA8779H Data sheet ( Hoja de datos )
| Número de pieza | TDA8779H | |
| Descripción | 10-bit converter interface ADC/DAC for quadrature transceiver | |
| Fabricantes | NXP Semiconductors | |
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INTEGRATED CIRCUITS
DATA SHEET
TDA8779H
10-bit converter interface
(ADC/DAC) for quadrature
transceiver
Product specification
Supersedes data of 1999 Jan 18
File under Integrated Circuits, IC02
1999 Sep 16
1 page  
Philips Semiconductors
10-bit converter interface (ADC/DAC) for
quadrature transceiver
SYMBOL
D7A
D8A
D9A
VCCO
PIN DESCRIPTION
41 I and Q digital outputs; bit 7
42 I and Q digital outputs; bit 8
43 I and Q digital outputs; bit 9
44 output supply voltage (2.7 to 3.3 V)
handbook, full pagewidth
Product specification
TDA8779H
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
1999 Sep 16
5
5 Page 
Philips Semiconductors
10-bit converter interface (ADC/DAC) for
quadrature transceiver
Product specification
TDA8779H
Table 1 Output coding and input voltage (typical value, with respect to AGND)
STEP
underflow
0
...
512
...
1 023
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, with respect to DGND)
STEP
0
...
512
...
1 023
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 (ADC part)
STDBYA
1
0
D0 TO D9
−
ADC active
ICCA + ICCD (typ.)
5 mA
64 mA
Table 5 Standby selection (DAC part)
STDBYD
1
0
OUTI AND OUTQ
−
DAC active
ICCA + ICCD (typ.)
5 mA
38 mA
1999 Sep 16
11
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet TDA8779H.PDF ] | |
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