tda9899 NXP Semiconductors, tda9899 Datasheet - Page 85

• Manufacturer Part Number: tda9899
• Description: Tda9899 Multistandard Hybrid If Processing Including Car Mobile
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 58.
V
V
gain controlled amplifier adjusted to typical specified output level; measurements taken in test circuit of
crystal oscillator reference; unless otherwise specified.
TDA9899_3
Product data sheet
Symbol
Reference frequency generation with crystal; pin OPTXTAL
V
R
R
C
R
I
Reference frequency input from external source; pin OPTXTAL
V
R
V
R
C
Reference frequency input from external source; W7[7] = 0; pin FREF
V
R
f
V
R
C
R
I
swoff
ref
swoff
P
i(IF)
OPTXTAL
OPTXTAL
ref(RMS)
FREF
ref(RMS)
i
rsn(xtal)
pull
swoff(OPTXTAL)
i
O
dec
i
O
dec
swoff(FREF)
= 5 V
= 10 mV (RMS); f
[1]
; T
Characteristics
amb
= 25 C; 8 MHz system; see
Parameter
voltage on pin
OPTXTAL (DC)
input resistance
crystal resonance
resistance
pull capacitance
switch-off resistance
on pin OPTXTAL
switch-off current
voltage on pin
OPTXTAL (DC)
input resistance
RMS reference
voltage
output resistance
decoupling
capacitance
voltage on pin FREF
(DC)
input resistance
reference frequency
RMS reference
voltage
output resistance
decoupling
capacitance
switch-off resistance
on pin FREF
switch-off current
IF
= 36 MHz for low IF output of 5 MHz; IF input from 50
…continued
Conditions
pin open-circuit
to switch off crystal input by
external resistor wired
between pin OPTXTAL and
GND
R
R
pin open-circuit
of external reference signal
source
to external reference signal
source
pin open-circuit
see
of external reference signal
source; AC-coupled
to external reference signal
source
to switch off reference signal
input by external resistor
wired between pin FREF
and GND
R
R
swoff(OPTXTAL)
swoff(OPTXTAL)
swoff(FREF)
swoff(FREF)
Table 36
Figure 47
Rev. 03 — 15 January 2008
= 3.9 k
= 22 k
and
= 0.22 k
= 3.3 k
Multistandard hybrid IF processing including car mobile
Table
37; CW test input signal is used for specification;
[2]
[9]
[2]
[2]
[2]
[2]
[8]
Min
2.3
-
-
-
0.22
-
-
2.3
-
80
-
22
2.2
50
-
15
-
22
3.9
-
-
via broadband transformer 1 : 1;
Typ
2.6
2
-
-
-
-
500
2.6
2
-
2
100
2.5
-
4
150
-
100
-
-
75
Figure 49
TDA9899
Max
2.9
-
200
-
4.7
1600
-
2.9
-
400
4.7
-
2.8
-
-
500
4.7
-
27
100
-
© NXP B.V. 2008. All rights reserved.
with 4 MHz
Unit
V
k
pF
k
V
k
mV
k
pF
V
k
MHz
mV
k
pF
k
85 of 103
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A
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