TDA8779H Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
Fabricante
TDA8779H Datasheet PDF : 20 Pages
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Philips Semiconductors
10-bit converter interface (ADC/DAC) for
quadrature transceiver
Objective specification
TDA8779
SYMBOL
PARAMETER
ICCO
ICCA1(stb)
ICCA2(stb)
output stage supply current
analog standby current for ADC part
analog standby current for DAC part
ADC PART
CLOCK INPUT
VIL
LOW level input voltage
VIH
HIGH level input voltage
IIL
LOW level input current
IIH
HIGH level input current
DIGITAL INPUTS: PINS OE AND STDBYA
VIL
LOW level input voltage
VIH
HIGH level input voltage
IIL
LOW level input current
IIH
HIGH level input current
ANALOG INPUTS
IIL
IIH
Vi(p-p)
LOW level input current
HIGH level input current
analog input voltage
(peak-to-peak value)
Vi(p-p)over maximum analog input over voltage
(peak-to-peak value)
ZI
input impedance
CI
input capacitance
DIGITAL OUTPUTS: D0A TO D9A
VOL
LOW level output voltage
VOH
HIGH level output voltage
IoZ
output current in 3-state mode
SWITCHING CHARACTERISTICS (see Fig.3)
fCLKmax
tCH
tCL
tr
tf
maximum clock frequency
clock pulse width HIGH
clock pulse width LOW
clock rise time
clock fall time
CONDITIONS
ramp input; fCLK = 20 MHz
MIN.
−
−
−
TYP. MAX. UNIT
2
−
mA
5
−
mA
5
−
mA
0
−
0.6 V
2.2
−
VCCD1 V
−10
−
+10 µA
−10
−
+10 µA
0
−
0.6 V
2.2
−
VCCD1 V
−1
0
+1 µA
−
−
1
µA
for code 0
for code 1023
full-scale
overvoltage
−
tbf −
µA
−
tbf −
µA
tbf
1.5 tbf V
−
−
4.5 V
−
10 −
kΩ
−
3
−
pF
Io = 1 mA
Io = −1 mA
0.5 V < Vo < VCCO − 0.5 V
0
−
VCCO − 0.5 −
−20
−
0.5 V
VCCO V
+20 µA
20
−
−
MHz
20
−
−
ns
20
−
−
ns
−
4
−
ns
−
4
−
ns
1996 Sep 18
7
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