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PDF NCS2550 Data sheet ( Hoja de datos )
| Número de pieza | NCS2550 | |
| Descripción | 750 MHz Voltage Feedback Operational Amplifier | |
| Fabricantes | ON Semiconductor | |
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NCS2550
750 MHz Voltage Feedback
Op Amp
NCS2550 is a 750 MHz voltage feedback monolithic operational
amplifier featuring high slew rate and low differential gain and phase
error. The voltage feedback architecture allows for a superior
bandwidth and low power consumption.
Features
• −3.0 dB Small Signal BW (AV = +2.0, VO = 0.5 Vp−p) 750 MHz Typ
• Slew Rate 1700 V/ms
• Supply Current 13 mA
• Input Referred Voltage Noise 5.0 nV/ǸHz
• THD −64 dBc (f = 5.0 MHz, VO = 2.0 Vp−p)
• Output Current 100 mA
• Pin Compatible with EL5157, AD8057
• This is a Pb−Free Device
Applications
• Line Drivers
• Radar/Communication Receivers
3
0
−3 VOUT = 2.0 VPP
VOUT = 1.0 VPP
−6
−9
−12
−15
1k
VOUT = 0.5 VPP
Gain = +2
VS = ±5V
RF = 150W
RL = 150W
10k 100k 1M 10M 100M
FREQUENCY (Hz)
Figure 1. Frequency Response:
Gain (dB) vs. Frequency Av = +2.0
1G
10G
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5
1
SOT23−5
(TSOP−5)
SN SUFFIX
CASE 483
MARKING
DIAGRAM
5
YF0AYW
G
1
YF0, N2550 = NCS2550
A = Assembly Location
Y = Year
W = Work Week
G = Pb−Free Package
SOT23−5 (TSOP−5) PINOUT
OUT 1
VEE 2
+IN 3
5 VCC
−
4 −IN
(Top View)
ORDERING INFORMATION
Device
Package
Shipping†
NCS2550SNT1G SOT23−5
(TSOP−5)
(Pb−Free)
3000/Tape & Reel
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specification
Brochure, BRD8011/D.
© Semiconductor Components Industries, LLC, 2006
May, 2006 − Rev. 2
1
Publication Order Number:
NCS2550/D
1 page  
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NCS2550
DC ELECTRICAL CHARACTERISTICS (VCC = +5.0 V, VEE = −5.0 V, TA = −40°C to +85°C, RL = 150 W to GND, RF = 150 W,
AV = +2.0, Enable is left open, unless otherwise specified).
Symbol
Characteristic
Conditions
Min Typ Max Unit
DC PERFORMANCE
VIO Input Offset Voltage
DVIO/DT
Input Offset Voltage
Temperature Coefficient
−10 0 +10 mV
6.0 mV/°C
IIB
DIIB/DT
Input Bias Current
Input Bias Current
Temperature Coefficient
VO = 0 V
VO = 0 V
"3.2
"40
"20
mA
nA/°C
INPUT CHARACTERISTICS
VCM
Input Common Mode Voltage
Range (Note 3)
"3.0
"3.2
V
CMRR
Common Mode Rejection
Ratio
(See Graph)
40 50
dB
RIN Input Resistance
CIN Differential Input
Capacitance
4.5 MW
1.0 pF
OUTPUT CHARACTERISTICS
ROUT
Output Resistance
Closed Loop
Open Loop
0.1 W
11
VO Output Voltage Range
IO Output Current
POWER SUPPLY
VS
IS
PSRR
Operating Voltage Supply
Power Supply Current
Power Supply Rejection
Ratio
3. Guaranteed by design and/or characterization.
(See Graph)
"3.0
"50
5.0
40
"4.0
"100
10
13
56
17
V
mA
V
mA
dB
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NCS2550
Printed Circuit Board Layout Techniques
Proper high speed PCB design rules should be used for all
wideband amplifiers as the PCB parasitics can affect the
overall performance. Most important are stray capacitances
at the output and inverting input nodes as it can effect
peaking and bandwidth. A space (3/16″ is plenty) should be
left around the signal lines to minimize coupling. Also,
signal lines connecting the feedback and gain resistors
should be short enough so that their associated inductance
does not cause high frequency gain errors. Line lengths less
than 1/4″ are recommended.
Video Performance
This device designed to provide good performance with
NTSC, PAL, and HDTV video signals. Best performance is
obtained with back terminated loads as performance is
degraded as the load is increased. The back termination
reduces reflections from the transmission line and
effectively masks transmission line and other parasitic
capacitances from the amplifier output stage.
ESD Protection
All device pins have limited ESD protection using internal
diodes to power supplies as specified in the attributes table
(see Figure 23). These diodes provide moderate protection
to input overdrive voltages above the supplies. The ESD
diodes can support high input currents with current limiting
series resistors. Keep these resistor values as low as possible
since high values degrade both noise performance and
frequency response. Under closed−loop operation, the ESD
diodes have no effect on circuit performance. However,
under certain conditions the ESD diodes will be evident. If
the device is driven into a slewing condition, the ESD diodes
will clamp large differential voltages until the feedback loop
restores closed−loop operation. Also, if the device is
powered down and a large input signal is applied, the ESD
diodes will conduct.
VCC
External
Pin
Internal
Circuitry
VEE
Figure 23. Internal ESD Protection
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| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet NCS2550.PDF ] | |
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