tda9898 NXP Semiconductors, tda9898 Datasheet - Page 76

• Manufacturer Part Number: tda9898
• Description: Multistandard Hybrid If Processing Semiconductors
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 56.
V
V
gain controlled amplifier adjusted to typical specified output level; measurements taken in test circuit of
Figure 50
TDA9897_TDA9898_3
Product data sheet
Symbol
IF amplifier; pins IF3A and IF3B or IF1A and IF1B or IF2A and IF2B
V
R
C
G
DTV differential output; pins OUT1A, OUT1B, OUT2A and OUT2B
V
I
I
I
R
V
Direct IF; pins OUT2A and OUT2B
G
V
C/N
bias(int)
sink(o)(max)
source(o)(max)
P
i(IF)
I
O
i(IF)(RMS)
o(dif)(p-p)
IM
i(dif)
i(dif)
O
IF(cr)
IF(max)
= 5 V
= 10 mV (RMS); f
[1]
and
; T
Characteristics
amb
Figure 51
12.2 Digital TV signal processing
= 25 C; 8 MHz system; see
Parameter
input voltage
differential input
resistance
differential input
capacitance
control range IF gain
output voltage
internal bias current
(DC)
maximum output sink
current
maximum output
source current
output resistance
RMS IF input voltage
maximum IF gain
peak-to-peak
differential output
voltage
carrier-to-noise ratio
intermodulation
suppression
IF
with 4 MHz crystal oscillator reference; unless otherwise specified.
= 36 MHz for low IF output of 5 MHz; IF input from 50
Conditions
pin open-circuit
for emitter-follower
DC and AC; see
DC and AC; see
differential; output active
output inactive; internal
resistance to GND
minimum input sine wave
level for nominal output level
maximum input sine wave
level for nominal output level
permissible overload
output peak-to-peak level to
input RMS level ratio
between pin OUT2A and
pin OUT2B
at f
see
input signals: f
and 57.5 MHz; output
signals: f
68.0 MHz; see
W4[7] = 0
W4[7] = 1
V
V
W4[7] = 0
W4[7] = 1
o
i(IF)
i(IF)
Table 34
Figure 37
= 33.4 MHz;
= 10 mV (RMS)
= 0.5 mV (RMS)
Rev. 03 — 11 January 2008
o
= 36.5 MHz or
and
i
Figure 38
= 47.0 MHz
Figure 36
Figure 36
Table
35; CW test input signal is used for specification;
[2][5][6]
[2]
[2]
[2]
[3]
[3]
[2]
[2]
[2]
[2]
[4]
[2]
TDA9897; TDA9898
Min
1.8
-
-
60
1.8
2.0
1.4
6.0
-
-
-
130
-
-
-
-
115
90
40
40
via broadband transformer 1 : 1;
Multistandard hybrid IF processing
Typ
1.93
2
3
66
2.0
2.5
1.7
-
-
800
70
170
-
83
1.0
0.50
124
104
-
-
Max
2.2
-
-
-
2.2
-
-
-
50
-
100
-
320
-
1.1
0.55
-
-
-
-
© NXP B.V. 2008. All rights reserved.
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Unit
V
k
pF
dB
V
mA
mA
mA
mV
mV
dB
V
V
dBc/Hz
dBc/Hz
dB
dB
V