tda9898 NXP Semiconductors, tda9898 Datasheet - Page 81

• 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
Conversion synthesizer PLL; pin LFSYN2
V
K
K
I
I
Reference frequency
General
f
o(PD)
L
ref
P
i(IF)
n(synth)
LFSYN2
O
D
sp
= 5 V
= 10 mV (RMS); f
[1]
and
; T
Characteristics
amb
Figure 51
= 25 C; 8 MHz system; see
Parameter
voltage on pin
LFSYN2
VCO steepness
phase detector
steepness
phase detector output
current
synthesizer phase
noise
spurious suppression
leakage current
reference frequency
IF
with 4 MHz crystal oscillator reference; unless otherwise specified.
= 36 MHz for low IF output of 5 MHz; IF input from 50
…continued
Conditions
see
f
sink or source;
f
f
f
f
f
4 MHz reference signal of
265 mV (RMS) and phase
noise better than
120 dBc/Hz; see
multiple of f = 500 kHz
synthesizer spurious
performance > 50 dBc
VCO
VCO
synth
IF
synth
IF
f
I
VCO
LFSYN2
22 MHz to 29.5 MHz
30 MHz to 37.5 MHz
38 MHz to 45.5 MHz
46 MHz to 53.5 MHz
57 MHz
22 MHz to 29.5 MHz
30 MHz to 37.5 MHz
38 MHz to 45.5 MHz
46 MHz to 53.5 MHz
57 MHz
at 1 kHz
at 10 kHz
at 100 kHz
at 1.4 MHz
at 1 kHz
at 10 kHz
at 100 kHz
at 1.4 MHz
= 36 MHz
= 44 MHz; external
Table 34
Table
selection:
selection:
= 31 MHz;
= 40 MHz;
/ V
Rev. 03 — 11 January 2008
/
57;
LFSYN2
VCO
and
;
Figure 46
Table
35; CW test input signal is used for specification;
[2]
[2]
[2]
[2]
[2]
[2]
[2]
[2]
[2]
[2]
[8]
TDA9897; TDA9898
Min
1
-
-
-
-
-
-
-
-
-
-
-
89
89
98
115
89
89
96
115
50
-
-
via broadband transformer 1 : 1;
Multistandard hybrid IF processing
Typ
-
31
32
38
47
61
61
200
238
294
384
384
99
99
102
119
96
100
100
118
-
-
4
Max
3
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
10
-
© NXP B.V. 2008. All rights reserved.
81 of 103
Unit
V
MHz/V
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
dBc
nA
MHz
A/rad
A/rad
A/rad
A/rad
A/rad
A
A
A
A
A