参数资料
型号: TDA9897HN/V2
厂商: NXP SEMICONDUCTORS
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQCC48
封装: 7 X 7 MM, 0.85 MM HEIGHT, PLASTIC, SOT619-1, MO-220, HVQFN-48
文件页数: 78/103页
文件大小: 511K
代理商: TDA9897HN/V2
TDA9897_TDA9898_3
NXP B.V. 2008. All rights reserved.
Product data sheet
Rev. 03 — 11 January 2008
76 of 103
NXP Semiconductors
TDA9897; TDA9898
Multistandard hybrid IF processing
12.2 Digital TV signal processing
Table 56.
Characteristics
VP =5V[1]; Tamb =25 °C; 8 MHz system; see Table 34 and Table 35; CW test input signal is used for specication;
Vi(IF) = 10 mV (RMS); fIF = 36 MHz for low IF output of 5 MHz; IF input from 50 via broadband transformer 1 : 1;
gain controlled amplier adjusted to typical specied output level; measurements taken in test circuit of
Figure 50 and Figure 51 with 4 MHz crystal oscillator reference; unless otherwise specied.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
IF amplier; pins IF3A and IF3B or IF1A and IF1B or IF2A and IF2B
VI
input voltage
1.8
1.93
2.2
V
Ri(dif)
differential input
resistance
-k
Ci(dif)
differential input
capacitance
-pF
GIF(cr)
control range IF gain
66
-
dB
DTV differential output; pins OUT1A, OUT1B, OUT2A and OUT2B
VO
output voltage
pin open-circuit
1.8
2.0
2.2
V
Ibias(int)
internal bias current
(DC)
for emitter-follower
2.0
2.5
-
mA
Isink(o)(max)
maximum output sink
current
DC and AC; see Figure 36
[3] 1.4
1.7
-
mA
Isource(o)(max)
maximum output
source current
DC and AC; see Figure 36
[3] 6.0
-
mA
RO
output resistance
differential; output active
[2] --50
output inactive; internal
resistance to GND
800
-
Vi(IF)(RMS)
RMS IF input voltage
minimum input sine wave
level for nominal output level
-
70
100
V
maximum input sine wave
level for nominal output level
130
170
-
mV
permissible overload
-
320
mV
Direct IF; pins OUT2A and OUT2B
GIF(max)
maximum IF gain
output peak-to-peak level to
input RMS level ratio
[2] -83
-
dB
Vo(dif)(p-p)
peak-to-peak
differential output
voltage
between pin OUT2A and
pin OUT2B
W4[7] = 0
-
1.0
1.1
V
W4[7] = 1
-
0.50
0.55
V
C/N
carrier-to-noise ratio
at fo = 33.4 MHz;
Vi(IF) = 10 mV (RMS)
115
124
-
dBc/Hz
Vi(IF) = 0.5 mV (RMS)
90
104
-
dBc/Hz
αIM
intermodulation
suppression
input signals: fi = 47.0 MHz
and 57.5 MHz; output
signals: fo = 36.5 MHz or
68.0 MHz; see Figure 38
W4[7] = 0
40
-
dB
W4[7] = 1
40
-
dB
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