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參數(shù)資料
| 型號： | TA1375FG |
| 廠商： | Toshiba Corporation |
| 英文描述： | Single Conversion Tuner for Digital TV / CATV |
| 中文描述： | 單轉(zhuǎn)換調(diào)諧器，數(shù)字電視/有線電視 |
| 文件頁數(shù)： | 10/24頁 |
| 文件大小： | 247K |
| 代理商： | TA1375FG |
TA1375FG
2005/05/23
10
Electric Characteristics
Unless otherwise specified,Vcc1 = Vcc2 = Vcc3 = Vcc4 = Vcc5 = Vcc6 = 5V, Ta = 25
CHARACTERISTICS
SYMBOL
TEST
CIRC-
UIT
BAND
TEST CONDITION (note5,6,7)
MIN.
TYP.
MAX.
UNIT
VHF-L Bus data :B1 : ON(IBD=0mA)
VHF-H Bus data :B2 : ON(IBD=0mA)
UHF
Bus data :B3 or B4 : ON(IBD=0mA)
73
73
76
88
88
91
108
108
111
Power Supply and current
I c c 1 + I c c 2 + I c c 3 + I c c 4
+ I c c 5 + I c c 6 ( t o t a l )
Icc
(total)
1
mA
Down Converter Block
VHF-L RF=90MHz -30dBmWin
VHF-H RF=465MHz -30dBmWin
UHF
RF=471MHz -30dBmWin
UHF
RF=855MHz -30dBmWin
19.0
20.5
22.0
21.5
23.0
24.5
24.0
25.5
27.0
C o n v e r s i o n G a i n
(see1)
CG
3
21.5
24.0
26.5
dB
VHF-L RF=90MHz
VHF-H RF=465MHz
UHF
RF=471MHz
UHF
RF=855MHz
9
9
9
10
10
10
I F O u t p u t P o w e r L e v e l
(see2)
Ifp
3
9
10
dBmW
VHF-L RF=90MHz –30dBmWin
VHF-H RF=465MHz -30dBmWin
UHF
RF=471MHz -30dBmWin
UHF
RF=855MHz -30dBmWin
0.5
0.5
1.0
C o n v e r s i o n G a i n S h i f t
(see3)
CGs
3
1.0
dB
Gain Control Amplifier Block (Pin47 = Open)
M a x i m u m V o l t a g e G a i n VGmax
3
VGCA=3V, RF=-60dBmW
45.0
47.0
49.0
T y p i c a l V o l t a g e G a i n VGtyp
3
VGCA=1.7V, RF=-37.5dBmW
21.5
23.5
25.5
M i n i m u m V o l t a g e G a i n VGmin
3
VGCA=0.5V, RF=-15dBmW
-5.0
-3.0
-1.0
dB
G a i n V a r i a b l e R a n g e
GR
3
VGCA=0.5
3V
46
50
54
dB
G a i n C o n t r o l S e n s i t i v i t y
Sgain
3
VGCA=1.7V
27
30
33
dB/V
L
i
n
e
a
r
i
t
y LGCA
3
VGCA=1.1
2.3V
1
dB
Maximum Output Signal Amplitude Vomax
3
1.5
Vp-p
Flow Into Current of PIN3 Cont-I
3
Pin3 (apply voltage=0
Vcc6)
50
uA
PLL Block
IBD-FMT
Pin13 (FMT port)
5
IBD-VHF
Pin14,15 (VHF port)
20
B a n d P o r t D r i v e C u r r e n t
IBD-UHF
1
Pin21 (UHF port)
15
mA
Band Port Drive Maximum Current IBDmax
1
Maximum drive current / 2 port ON
25
mA
Band Port Drive Voltage Drop VBDsat
1
With each port at maximum current
drive. 1 port ON
0.15
0.2
V
Tuning Amplifier Output Voltage
(
C
l
o
s
e
L
o
o
p
)
Vt out
3
Isink = 3mA
0.3
33
V
Tuning Amplifier Maximum Current
Ivt
3
VBT = 33V
3
mA
Crystal Negative Resistance
XtR
1
1.2
1.5
k
R a t i o S e t t i n g R a n g e
N
-
15-bits counter
1024
32767
Ratio
L o g i c I n p u t L o w V o l t a g e
VBsL
1
Pin5,6
-0.3
1.1
V
Logic Input High Voltage
VBsH
1
Pin5,6
2.0
Vcc2
+0.3
V
Logic Input Current (Low)
I BsL
1
Pin5,6
-20
10
uA
Logic Input Current (High)
I BsH
1
Pin5,6
-10
20
uA
CP = 0
115
145
175
Charge Pump Output Current
Ichg
1
CP = 1
165
210
255
uA
A C K O u t p u t V o l t a g e VACK
1
Isink = 3mA
0.4
V
note5: IF output frequency=43.75MHz
note6: IF output load=75
note7: VGCA=voltage value applied to Pin3
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