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參數(shù)資料
| 型號(hào)： | MAX2055 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 18-Bit Universal Bus Transceivers With 3-State Outputs 56-SSOP -40 to 85 |
| 中文描述： | 數(shù)字控制、可變?cè)鲆?、差分ADC驅(qū)動(dòng)器/放大器 |
| 文件頁數(shù)： | 3/13頁 |
| 文件大小： | 805K |
| 代理商： | MAX2055 |
M
Digitally Controlled, Variable-Gain, Differential
ADC Driver/Amplifier
_______________________________________________________________________________________
3
Note 1:
Guaranteed by design and characterization.
Note 2:
All limits reflect losses of external components. Output measurements are taken at RF_OUT using the application circuit
shown in Figure 1.
Note 3:
The amplitude and phase unbalance are tested with 50
resistors connected from OUT+/OUT- to GND.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Gain Flatness Over 50MHz
Bandwidth
Peak-to-peak for all settings
0.5
dB
Attenuator Switching Time
Input Return Loss
50% control to 90% RF
f
R
= 30MHz to 300MHz, all gain conditions
f
R
= 30MHz to 250MHz, all gain conditions
f
R
= 250MHz to 300MHz, all gain conditions
40
15
15
12
ns
dB
Output Return Loss
dB
AC ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1; V
CC
= +4.75V to +5.25V, GND = 0V, max gain (B0 = B1 = B2 = B3 = B4 = 0), R
1
= 1.13k
, P
OUT
= 5dBm,
f
IN
= 70MHz, 50
system impedance. Typical values are at V
CC
= +5V and T
A
= +25
°
C, unless otherwise noted.) (Notes 1, 2)
Typical Operating Characteristics
(
Circuit of Figure 1
, V
CC
= 5.0V,
R
1
= 1.13k
, max gain (B0 = B1 = B2 = B3 = B4 = 0), P
OUT
= 5dBm, T
A
= +25
°
C, unless other-
wise noted.)
SUPPLY CURRENT vs. TEMPERATURE
M
TEMPERATURE (
°
C)
S
60
35
10
-15
220
230
240
250
260
270
210
-40
85
V
CC
= 5.25V
V
CC
= 5.0V
V
CC
= 4.75V
INPUT RETURN LOSS vs. RF FREQUENCY
(ALL STATES)
M
FREQUENCY (MHz)
I
270
240
60
90 120
180
150
210
35
30
25
20
15
10
5
0
40
30
300
OUTPUT RETURN LOSS vs. RF FREQUENCY
(ALL STATES)
M
FREQUENCY (MHz)
O
270
240
60
90 120
180
150
210
35
30
25
20
15
10
5
0
40
30
300
GAIN vs. RF FREQUENCY (ALL STATES)
M
FREQUENCY (MHz)
G
270
240
60
90 120
180
150
210
-5
0
5
10
15
20
25
-10
30
300
GAIN vs. RF FREQUENCY
M
FREQUENCY (MHz)
G
270
240
60
90 120
180
150
210
12
14
16
18
20
22
24
10
30
300
T
A
= +85
°
C
T
A
= +25
°
C
T
A
= -40
°
C
GAIN vs. RF FREQUENCY
M
FREQUENCY (MHz)
G
270
240
60
90 120
180
150
210
12
14
16
18
20
22
24
10
30
300
V
CC
= 5.25V
V
CC
= 5.0V
V
CC
= 4.75V
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