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參數(shù)資料
| 型號(hào)： | LT6555IUF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 運(yùn)動(dòng)控制電子 |
| 英文描述： | 650MHz Gain of 2 Triple 2:1Video Multiplexer |
| 中文描述： | TRIPLE 1-CHANNEL, VIDEO MULTIPLEXER, PQCC24 |
| 封裝： | 4 X 4 MM, PLASTIC, QFN-24 |
| 文件頁數(shù)： | 3/16頁 |
| 文件大?。?/td> | 360K |
| 代理商： | LT6555IUF |
LT6555
3
6555f
I
S
Supply Current, Per Amplifier
R
L
=
∞
9
12
14
500
500
mA
mA
μ
A
μ
A
μ
A
μ
A
μ
A
μ
A
mA
V/
μ
s
MHz
MHz
MHz
MHz
dB
dB
dB
dB
mV
P-P
●
Supply Current, Disabled, Per Amplifier
V
EN
= 4V, R
L
=
∞
V
EN
= Open, R
L
=
∞
V
EN
= 0.4V
V
EN
= 4V
V
SEL
= 0.4V
V
SEL
= 4V
R
L
= 0
, V
IN
=
±
1V
±
1V on
±
2.5V Output Step (Note 8)
V
OUT
= 200mV
P-P
V
OUT
= 200mV
P-P
V
OUT
= 2V
P-P
(Note 9)
V
OUT
= 4V
P-P
(Note 9)
f = 10MHz, V
IN
= 1V
P-P
f = 100MHz, V
IN
= 1V
P-P
f = 10MHz, V
IN
= 1V
P-P
f = 100MHz, V
IN
= 1V
P-P
INA = INB = 0V
INA = –1V, INB = 1V
from 50% SEL to V
OUT
= 0V
0.1% of V
FINAL
, V
STEP
= 2V
10% to 90%, V
OUT
= 400mV
P-P
(Note 10)
(Note 10)
f = 10MHz, V
OUT
= 2V
P-P
f = 10MHz, V
OUT
= 2V
P-P
●
●
47
42
–95
–21
–5
–1
±
105
2200
650
120
350
175
–72
–50
–80
–55
200
8
I
EN
Enable Pin Current
●
●
–200
–75
–50
–50
±
50
1600
I
SEL
Select Pin Current
●
●
I
SC
SR
–3dB BW
0.1dB BW
FPBW
Output Short-Circuit Current
Slew Rate
Small-Signal –3dB Bandwidth
Gain Flatness
±
0.1dB Bandwidth
Full Power Bandwidth 2V
Full Power Bandwidth 4V
All-Hostile Crosstalk
●
250
Selected Channel to Unselected
Channel Crosstalk
Channel Select Output Transient
Channel-to-Channel Select Time
ns
t
S
t
R
,
t
F
dG
dP
HD2
HD3
Settling Time
Small-Signal Rise and Fall Time
Differential Gain
Differential Phase
2nd Harmonic Distortion
3rd Harmonic Distortion
6.5
520
0.033
0.022
–80
–70
ns
ps
%
Deg
dBc
dBc
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
A
= 25
°
C. V
S
=
±
5V, R
L
= 150
, C
L
= 1.5pF, V
EN
= 0.4V, V
AGND
, V
DGND
, V
VREF
= 0V.
The
●
denotes the specifications which apply over the full operating
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2:
This parameter is guaranteed to meet specified performance
through design and characterization. It is not production tested.
Note 3:
As long as output current and junction temperature are kept below
the Absolute Maximum Ratings, no damage to the part will occur.
Depending on the supply voltage, a heat sink may be required.
Note 4:
The LT6555C is guaranteed functional over the operating
temperature range of –40
°
C to 85
°
C.
Note 5:
The LT6555C is guaranteed to meet specified performance from
0
°
C to 70
°
C. The LT6555C is designed, characterized and expected to
meet specified performance from –40
°
C and 85
°
C but is not tested or QA
sampled at these temperatures. The LT6555I is guaranteed to meet
specified performance from –40
°
C to 85
°
C.
Note 6:
In order to follow the constraints for 4.5V operation for PSRR
and I
PSRR
testing at
±
2.25V, the DGND pin is set to V
–
, the EN pin is set
to V
–
+ 0.4V, and the SEL pin is set to either V
–
+ 0.4V or V
–
+ 4V. At
±
6V
and all other cases, DGND is set to ground and the EN and SEL pins are
referenced from it.
Note 7:
The V
REF
pin is set to 1V when testing positive swing and –1V
when testing negative swing to ensure that the internal input clamps do
not limit the output swing.
Note 8:
Slew rate is 100% production tested using both inputs of
channel 2. Slew rates of channels 1 and 3 are guaranteed through
design and characterization.
Note 9:
Full power bandwidth is calculated from the slew rate:
FPBW = SR/(
π
V
P-P
)
Note 10:
Differential gain and phase are measured using a Tektronix
TSG120YC/NTSC signal generator and a Tektronix 1780R video
measurement set. The resolution of this equipment is better than 0.05%
and 0.05
°
. Nine identical amplifier stages were cascaded giving an
effective resolution of better than 0.0056% and 0.0056%.
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