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HA1-2420-2 반도체 회로 부품 판매점

3.2s Sample and Hold Amplifiers



Intersil Corporation 로고
Intersil Corporation
HA1-2420-2 데이터시트, 핀배열, 회로
HA-2420, HA-2425
November 1996
3.2µs Sample and Hold Amplifiers
Features
• Maximum Acquisition Time
- 10V Step to 0.1%. . . . . . . . . . . . . . . . . . . . . 4µs (Max)
- 10V Step to 0.01%. . . . . . . . . . . . . . . . . . . . 6µs (Max)
• Low Droop Rate (CH = 1000pF). . . . . . . . 5µV/ms (Typ)
• Gain Bandwidth Product . . . . . . . . . . . . . 2.5MHz (Typ)
• Low Effective Aperture Delay Time . . . . . . . 30ns (Typ)
• TTL Compatible Control Input
±12V to ±15V Operation
Applications
• 12-Bit Data Acquisition
• Digital to Analog Deglitcher
• Auto Zero Systems
• Peak Detector
• Gated Operational Amplifier
Ordering Information
PART NUMBER
HA1-2420-2
HA1-2425-5
HA3-2425-5
HA4P2425-5
HA9P2425-5
TEMP.
RANGE (oC)
PACKAGE
-55 to 125 14 Ld CERDIP
0 to 75 14 Ld CERDIP
0 to 75 14 Ld PDIP
0 to 75 20 Ld PLCC
0 to 75 14 Ld SOIC
PKG.
NO.
F14.3
F14.3
E14.3
N20.35
M14.15
Description
The HA-2420 and HA-2425 is a monolithic circuit consisting
of a high performance operational amplifier with its output in
series with an ultra-low leakage analog switch and JFET
input unity gain amplifier.
With an external hold capacitor connected to the switch output,
a versatile, high performance sample-and-hold or track-and-
hold circuit is formed. When the switch is closed, the device
behaves as an operational amplifier, and any of the standard op
amp feedback networks may be connected around the device
to control gain, frequency response, etc. When the switch is
opened the output will remain at its last level.
Performance as a sample-and-hold compares very favorably
with other monolithic, hybrid, modular, and discrete circuits.
Accuracy to better than 0.01% is achievable over the
temperature range. Fast acquisition is coupled with superior
droop characteristics, even at high temperatures. High slew
rate, wide bandwidth, and low acquisition time produce
excellent dynamic characteristics. The ability to operate at
gains greater than 1 frequently eliminates the need for
external scaling amplifiers.
The device may also be used as a versatile operational
amplifier with a gated output for applications such as analog
switches, peak holding circuits, etc. For more information,
please see Application Note AN517.
The MIL-STD-883 data sheet for this device is available on
request.
Pinouts
HA-2420 (CERDIP)
HA-2425 (CERDIP, PDIP, SOIC)
TOP VIEW
-IN 1
+IN 2
OFFSET ADJ. 3
OFFSET ADJ. 4
V- 5
NC 6
OUTPUT 7
14 S/H CONTROL
13 GND
12 NC
11 HOLD CAP.
10 NC
9 V+
8 NC
HA-2425
(PLCC)
TOP VIEW
3 2 1 20 19
OFFSET ADJ. 4
NC 5
OFFSET ADJ. 6
NC 7
V- 8
18 NC
17 NC
16 HOLD CAP.
15 NC
14 NC
9 10 11 12 13
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Copyright © Intersil Corporation 1999
5-1
File Number 2856.2


HA1-2420-2 데이터시트, 핀배열, 회로
HA-2420, HA-2425
Absolute Maximum Ratings
Thermal Information
Voltage Between V+ and V- Terminals . . . . . . . . . . . . . . . . . . . . 40V
Differential Input Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24V
Digital Input Voltage (Sample and Hold Pin) . . . . . . . . . . +8V, -15V
Output Current . . . . . . . . . . . . . . . . . . . . . . . Short Circuit Protected
Operating Conditions
Temperature Range
HA-2420-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55oC to 125oC
HA-2425-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0oC to 75oC
Supply Voltage Range (Typical) . . . . . . . . . . . . . . . . . ±12V to ±15V
Thermal Resistance (Typical, Note 1)
θJA (oC/W) θJC (oC/W)
CERDIP Package . . . . . . . . . . . . . . . . . .
90
35
PDIP Package . . . . . . . . . . . . . . . . . . . . . 100
N/A
PLCC Package . . . . . . . . . . . . . . . . . . . .
75
N/A
SOIC Package . . . . . . . . . . . . . . . . . . . . . 120
N/A
Maximum Junction Temperature (Ceramic Packages) . . . . . . . 175oC
Maximum Junction Temperature (Plastic Package) . . . . . . . . 150oC
Maximum Storage Temperature Range . . . . . . . . . -65oC to 150oC
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300oC
(PLCC and SOIC - Lead Tips Only)
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation
of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE:
1. θJA is measured with the component mounted on an evaluation PC board in free air.
Electrical Specifications Test Conditions (Unless Otherwise Specified) VSUPPLY = ±15.0V; CH = 1000pF; Digital Input: VIL = +0.8V
(Sample), VIH = +2.0V (Hold), Unity Gain Configuration (Output tied to Negative Input)
PARAMETER
TEST
CONDITIONS
TEMP.
HA-2420-2
(oC) MIN TYP MAX
HA-2425-5
MIN TYP MAX UNITS
INPUT CHARACTERISTICS
Input Voltage Range
Full ±10
-
- ±10 -
-V
Offset Voltage
25 - 2 4 - 3 6 mV
Full - 3 6 - 4 8 mV
Bias Current
25
-
40 200
-
40 200 nA
Full -
- 400 -
- 400 nA
Offset Current
25 - 10 50 - 10 50 nA
Full -
- 100 -
- 100 nA
Input Resistance
25 5 10 -
5 10 - M
Common Mode Range
Full ±10
-
- ±10 -
-V
TRANSFER CHARACTERISTICS
Large Signal Voltage Gain
RL = 2k, VO = 20VP-P Full 25 50 - 25 50 - kV/V
Common Mode Rejection
VCM = ±10V
Full 80
90
-
74 90
-
dB
Hold Mode Feedthrough Attenuation
(Note 2)
fIN 100kHz
Full - -76 -
- -76 - dB
Gain Bandwidth Product (Note 2)
25 - 2.5 -
- 2.5 - MHz
OUTPUT CHARACTERISTICS
Output Voltage Swing
Output Current
RL = 2k
Full ±10
25 ±15
-
-
- ±10 -
- ±15 -
-V
- mA
Full Power Bandwidth (Note 2)
Output Resistance
VO = 20VP-P
DC
25 - 100 -
25 - 0.15 -
- 100 - kHz
- 0.15 -
TRANSIENT RESPONSE
Rise Time (Note 2)
Overshoot (Note 2)
Slew Rate (Note 2)
DIGITAL INPUT CHARACTERISTICS
VO = 200mVP-P
VO = 200mVP-P
VO = 10VP-P
25
-
75 100
-
75 100 ns
25 - 25 40 - 25 40 %
25 3.5
5
- 3.5 5
- V/µs
Digital Input Current
Digital Input Voltage
VIN = 0V
VIN = 5V
Low
Full -
Full -
Full -
- -0.8 -
- 20 -
- 0.8 -
- -0.8 mA
- 20 µA
- 0.8 V
High
Full 2.0
-
- 2.0 -
-V
SAMPLE AND HOLD CHARACTERISTICS
Acquisition Time (Note 2)
To 0.1% 10V Step
25 - 2.3 4
- 2.3 4 µs
5-2




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HA1-2420-2 amplifier

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3.2s Sample and Hold Amplifiers - Intersil Corporation