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PDF HCA10009 Data sheet ( Hoja de datos )
| Número de pieza | HCA10009 | |
| Descripción | 100MHz/ Single and Dual Low Noise/ Precision Operational Amplifier | |
| Fabricantes | Intersil Corporation | |
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Data Sheet
HCA10009
August 1999
File Number 4771
100MHz, Single and Dual Low Noise,
Precision Operational Amplifier
The HCA10009 is a high performance dielectrically isolated,
op amp, featuring precision DC characteristics while providing
excellent AC characteristics. Designed for audio, video, and
other demanding applications, noise (3.4nV/√Hz at 1kHz),
total harmonic distortion (<0.005%), and DC errors are kept to
a minimum.
The precision performance is shown by low offset voltage
(0.3mV), low bias currents (40nA), low offset currents
(15nA), and high open loop gain (128dB). The combination
of these excellent DC characteristics with the fast settling
time (0.4µs) make the HCA10009 ideally suited for precision
signal conditioning.
The unique design of the HCA10009 gives it outstanding AC
characteristics not normally associated with precision op
amps, high unity gain bandwidth (35MHz) and high slew rate
(25V/µs). Other key specifications include high CMRR (95dB)
and high PSRR (100dB). The combination of these
specifications will allow the HCA10009 to be used in RF signal
conditioning as well as video amplifiers.
Pinout
HCA10009
(SOIC)
TOP VIEW
-BAL 1
-IN 2
+IN 3
V- 4
+
8 +BAL
7 V+
6 OUT
5 NC
Features
• Gain Bandwidth Product. . . . . . . . . . . . . . . . . . . . 100MHz
• Unity Gain Bandwidth. . . . . . . . . . . . . . . . . . . . . . . 25MHz
• Slew Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25V/µs
• Low Offset Voltage . . . . . . . . . . . . . . . . . . . . . . . . . 0.3mV
• High Open Loop Gain. . . . . . . . . . . . . . . . . . . . . . . 128dB
• Channel Separation at 10kHz . . . . . . . . . . . . . . . . 110dB
• Low Noise Voltage at 1kHz. . . . . . . . . . . . . . . . 3.4nV/√Hz
• High Output Current . . . . . . . . . . . . . . . . . . . . . . . . . 56mA
• Low Supply Current per Amplifier. . . . . . . . . . . . . . . . 8mA
Applications
• Precision Test Systems
• Active Filtering
• Small Signal Video
• Accurate Signal Processing
• RF Signal Conditioning
Ordering Information
PART NUMBER
(BRAND)
HCA10009
TEMP.
RANGE (oC)
PACKAGE
0 to 75 8 Ld SOIC
PKG.
NO.
M8.15
4-1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
http://www.intersil.com or 407-727-9207 | Copyright © Intersil Corporation 1999
1 page  
HCA10009
Application Information
Operation at Various Supply Voltages
The HCA10009 operates over a wide range of supply
voltages with little variation in performance. The supplies
may be varied from ±5V to ±15V. See Typical Performance
Curves for variations in supply current, slew rate and output
voltage swing.
Offset Adjustment
The following diagram shows the offset voltage adjustment
configuration for the HCA10009. By moving the
potentiometer wiper towards pin 8 (+BAL), the op amps
output voltage will increase; towards pin 1 (-BAL) decreases
the output voltage. A 20kΩ trim pot will allow an offset
voltage adjustment of about 10mV.
+15V
7
2
RP
1
8
3
+
4
6
-15V
Capacitive Loading Considerations
When driving capacitive loads >80pF, a small resistor, 50Ω
to 100Ω, should be connected in series with the output and
inside the feedback loop.
Typical Performance Curves VS = ±15V, TA = 25oC
Saturation Recovery
When an op amp is over driven, output devices can saturate
and sometimes take a long time to recover. By clamping the
input, output saturation can be avoided. If output saturation
can not be avoided, the maximum recovery time when
overdriven into the positive rail is 10.6µs. When driven into
the negative rail the maximum recovery time is 3.8µs.
Input Protection
The HCA10009 has built in back-to-back protection diodes
which limit the maximum allowable differential input voltage
to approximately 5V. If the HCA10009 will be used in circuits
where the maximum differential voltage may be exceeded,
then current limiting resistors must be used. The input
current should be limited to a maximum of 10mA.
RLIMIT2
∆VIN
RLIMIT3
6
+ VOUT
PC Board Layout Guidelines
When designing with the HCA10009, good high frequency
(RF) techniques should be used when building a PC board.
Use of ground plane is recommended. Power supply
decoupling is very important. A 0.01µF to 0.1µF high quality
ceramic capacitor at each power supply pin with a 2.2µF to
10µF tantalum close by will provide excellent decoupling.
Chip capacitors produce the best results due to ease of
placement next to the op amp and basically no lead
inductance. If leaded capacitors are used, the leads should
be kept as short as possible to minimize lead inductance.
RL = 1K, CL = 50pF
120
100
80 GAIN
60
40
20
0
PHASE
180
135
90
45
0
1K
10K 100K
1M
10M
100M
FREQUENCY (Hz)
FIGURE 5. OPEN LOOP GAIN AND PHASE vs FREQUENCY
12
9 AV = +1, RL = 1K, CL = 50pF
6
3 GAIN
0
-3
-6
PHASE
10K 100K 1M
10M
FREQUENCY (Hz)
180
135
90
45
0
100M
FIGURE 6. CLOSED LOOP GAIN vs FREQUENCY
4-5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet HCA10009.PDF ] | |
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