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PDF MAX4100-MAX4101 Data sheet ( Hoja de datos )
| Número de pieza | MAX4100-MAX4101 | |
| Descripción | 500MHz / Low-Power Op Amps | |
| Fabricantes | Maxim Integrated | |
| Logotipo |  |
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19-0436; Rev 1; 3/96
EVAALVUAAILTAIOBNLEKIT
500MHz, Low-Power Op Amps
_______________General Description
The MAX4100/MAX4101 op amps combine ultra-high-
speed performance with low-power operation. The
MAX4100 is compensated for unity-gain stability, while
the MAX4101 is compensated for stability in applica-
tions with a closed-loop gain (AVCL) of 2V/V or greater.
The MAX4100/MAX4101 require only 5mA of supply
current while delivering a 500MHz unity-gain bandwidth
(MAX4100) or a 200MHz -3dB bandwidth (MAX4101)
with a 250V/µs slew rate.
These high-speed op amps have a wide output voltage
swing of ±3.5V and a high current-drive capability of
80mA.
________________________Applications
Video Cable Driver
Ultrasound
Gamma Cameras
Portable Instruments
Active Filters
ADC Buffers
____________________________Features
o 500MHz Unity-Gain Bandwidth (MAX4100)
200MHz -3dB Bandwidth (AVCL = 2V/V, MAX4101)
o 65MHz 0.1dB Gain Flatness (MAX4100)
o 250V/µs Slew Rate
o 0.06%/0.04° Differential Gain/Phase
o High Output Drive: 80mA
o Low Power: 5mA Supply Current
o Fast Settling Time:
18ns to 0.1%
35ns to 0.01%
______________Ordering Information
PART
TEMP. RANGE PIN-PACKAGE
MAX4100ESA -40°C to +85°C
8 SO
MAX4100EUA -40°C to +85°C
8 µMAX*
MAX4101ESA -40°C to +85°C
8 SO
* Contact factory for availability of µMAX package.
________Typical Application Circuit
0.1µF
+5V
INPUT
MAX4100
MAX4101
1000pF
0.1µF
-5V
390Ω
1000pF
390Ω
75Ω
75Ω
75Ω
75Ω
75Ω
75Ω
__________________Pin Configuration
TOP VIEW
N.C. 1
IN- 2
IN+ 3
VEE 4
MAX4100
MAX4101
8 N.C.
7 VCC
6 OUT
5 N.C.
SO/µMAX*
VIDEO/RF DISTRIBUTION AMPLIFIER
* Contact factory for availability of MAX4100 µMAX package.
________________________________________________________________ Maxim Integrated Products 1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
1 page  
500MHz, Low-Power Op Amps
____________________________Typical Operating Characteristics (continued)
(VCC = 5V, VEE = -5V, TA = +25°C, unless otherwise noted.)
INPUT OFFSET VOLTAGE
vs. TEMPERATURE
1.0
INPUT BIAS CURRENT
vs. TEMPERATURE
7
INPUT OFFSET CURRENT
vs. TEMPERATURE
0.35
0.5
0
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
-75 -50 -25 0 25 50 75 100 125
TEMPERATURE (°C)
POWER-SUPPLY CURRENT
vs. TEMPERATURE
7
6
5
4
3
-75 -50 -25 0 25 50 75 100 125
TEMPERATURE (°C)
6
5
4
3
2
1
0
-75 -50 -25 0 25 50 75 100 125
TEMPERATURE (°C)
MAX4100
COMMON-MODE REJECTION
vs. FREQUENCY
90
80
70
60
50
40
30
20
10
0
30k 100k
1M 10M 100M
FREQUENCY (Hz)
1G
0.25
0.15
0.05
-0.05
-0.15
-0.25
-0.35
-75 -50 -25 0 25 50 75 100 125
TEMPERATURE (°C)
MAX4100
POWER-SUPPLY REJECTION
vs. FREQUENCY
80
70
60
50
40
PSR-
30
20
PSR+
10
0
0.1M
1M 10M 100M
FREQUENCY (Hz)
1G
POSITIVE OUTPUT SWING
vs. TEMPERATURE
6
5
RL = ∞
4
3 RL = 100Ω
2
-2
-3 RL = 100Ω
-4
-5 RL = ∞
-6
-75 -50 -25 0 25 50 75 100 125
TEMPERATURE (°C)
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
10
OUTPUT SWING
vs. LOAD RESISTANCE
22 33 50
LOAD RESISTANCE (Ω)
75
_______________________________________________________________________________________ 5
5 Page 
500MHz, Low-Power Op Amps
Carbon composition resistors with leads are manufac-
tured by pouring the resistor material into a mold. This
process yields a relatively low-inductance resistor that
is very useful in high-frequency applications, although
they tend to cost more and have more thermal noise
than other types. The ability of carbon composition
resistors to self-heal after a large current overload
makes them useful in high-power RF applications.
For general-purpose use, surface-mount metal-film
resistors seem to have the best overall performance for
low cost, low inductance, and low noise.
Driving Capacitive Loads
When driving 50Ω or 75Ω back-terminated transmission
lines, capacitive loading is not an issue; therefore an iso-
lation resistor is not required. For other applications
where the ability to drive capacitive loads is required, the
MAX4100/MAX4101 can typically drive 5pF and 20pF,
respectively. Figure 4a illustrates how a capacitive load
influences the amplifier’s peaking without an isolation
resistor (RS). Figure 4b shows how an isolation resistor
decreases the amplifier’s peaking.
The MAX4100/MAX4101 can drive capacitive loads up to
5pF. By using a small isolation resistor between the
amplifier output and the load, large capacitance values
may be driven without oscillation (Figure 5a). In most
cases, less than 50Ω is sufficient. Use Figure 5b to deter-
mine the value needed in your application. Determine the
worst-case maximum capacitive load you may encounter
and select the appropriate resistor from the graph.
24Ω
MAX4100
VIN
RS
CL
RL
Figure 5a. Using an Isolation Resistor for High Capacitive
Loads (MAX4100)
25
20
MAX4100
15
10 MAX4101
5
0
0
20 40 60 80 100 120
CAPACITIVE LOAD (pF)
Figure 5b. Isolation vs. Capacitive Load
______________________________________________________________________________________ 11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet MAX4100-MAX4101.PDF ] | |
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