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36V Rad Hard Dual Precision Operational Amplifier
ISL70227SRH
The ISL70227SRH is a high precision dual operational
amplifier featuring very low noise, low offset voltage, low input
bias current and low temperature drift. These features plus its
radiation tolerance make the ISL70227SRH the ideal choice
for applications requiring both high DC accuracy and AC
performance. The combination of precision, low noise, and
small footprint provides the user with outstanding value and
flexibility relative to similar competitive parts.
Applications for these amplifiers include precision and
analytical instrumentation, active filters, precision power
supply controls, and industrial controls.
The ISL70227SRH is available in a 10 Ld hermetic ceramic
flatpack and operates over the extended temperature range of
-55°C to +125°C.
Applications
• Precision Instruments
• Industrial Controls
• Active Filter Blocks
• Data Acquisition
• Power Supply Control
Features
• Wide Supply Range . . . . . . . . . . . . . . . . . . . .4.5V to 36V Max.
• Very Low Voltage Noise . . . . . . . . . . . . . . . . . .2.5nV/Hz, Typ.
• Gain-bandwidth Product . . . . . . . . . . . . . . . . . . . . . . . . 10MHz
• Superb Offset Drift . . . . . . . . . . . . . . . . . . . . . . . . 1µV/°C, Max
• Operating Temperature Range. . . . . . . . . . . . -55°C to +125°
• Low Input Voltage Offset . . . . . . . . . . . . . . . . . . . . . . 10µV, Typ.
• Input Bias Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1nA, Typ.
• Unity Gain Stable
• No Phase Reversal
• Radiation Tolerance
- High Dose Rate. . . . . . . . . . . . . . . . . . . . . . . . . . 100krad(Si)
- Low Dose Rate . . . . . . . . . . . . . . . . . . . . . . . . . . 100krad(Si)
- SEL/SEB LETTH . . . . . . . . . . . . . . . . . . . . . . 86MeV/mg/cm2
Related Literature
• See AN1669, “ISL70227SRH Evaluation Board User’s
Guide”
C1
1.5nF
V+
-
R1 R2
VIN
95.3 232
ISL70227SRH
+
68.3nF C2
V-
OUTPUT
Sallen-Key Low Pass Filter (1MHz)
FIGURE 1. TYPICAL APPLICATION
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0
-5
-10
-15
BIASED
-20
-25
-30
0
GROUNDED
10 20 30
40
50 60 70 80
TOTAL DOSE (krad(Si))
FIGURE 2. OFFSET VOLTAGE vs RADIATION
90
100
September 23, 2011
FN7925.1
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 |Copyright Intersil Americas Inc. 2011. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.
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ISL70227SRH
.Ordering Information
ORDERING NUMBER
PART MARKING
TEMP RANGE (°C)
PACKAGE
(Pb-free)
PKG.
DWG. #
ISL70227SRHMF (Notes 1, 2)
ISL70227 SRHMF
-55 to +125
10 Ld FLATPACK
K10.A
ISL70227SRHF/PROTO (Notes 1, 2)
ISL70227 SRHF/PROTO
-55 to +125
10 Ld FLATPACK
K10.A
ISL70227SRHMX
-55 to +125
DIE
ISL70227SRHX/SAMPLE
-55 to +125
DIE
ISL70227MHEVAL1Z
Evaluation Board
NOTES:
1. These Intersil Pb-free Hermetic packaged products employ 100% Au plate - e4 termination finish, which is RoHS compliant and compatible with both
SnPb and Pb-free soldering operations.
2. For Moisture Sensitivity Level (MSL), please see device information page for ISL70227SRH. For more information on MSL please see techbrief TB363.
Pin Configuration
ISL70227SRH
(10 LD FLATPACK)
TOP VIEW
Pin Descriptions
PIN NUMBER
3
5
7
8
9
10
1
2
4, 6
PIN NAME
+IN_A
V-
+IN_B
-IN_B
OUT B
V+
OUT A
-IN_A
NC
OUTA
-IN A
+IN A
NC
V-
1 10
29
3 -+
8
4 +- 7
56
V+
OUT B
-IN B
+IN B
NC
EQUIVALENT CIRCUIT
Circuit 1
Circuit 3
Circuit 1
Circuit 1
Circuit 2
Circuit 3
Circuit 2
Circuit 1
-
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DESCRIPTION
Amplifier A non-inverting input
Negative power supply
Amplifier B non-inverting input
Amplifier B inverting input
Amplifier B output
Positive power supply
Amplifier A output
Amplifier A inverting input
Not Connected – This pin is not electrically connected internally.
V+
IN- IN+
CIRCUIT 1
V-
V+
OUT
V-
CIRCUIT 2
V+
CAPACITIVELY
TRIGGERED ESD
CLAMP
V-
CIRCUIT 3
2 FN7925.1
September 23, 2011
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ISL70227SRH
Absolute Maximum Ratings
Maximum Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36V
Maximum Differential Input Current . . . . . . . . . . . . . . . . . . . . . . . . . . 20mA
Maximum Differential Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.5V
Min/Max Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . V- - 0.5V to V+ + 0.5V
Max/Min Input Current for
Input Voltage >V+ or <V- . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±20mA
Output Short-Circuit Duration
(1 Output at a Time) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Indefinite
ESD Tolerance
Human Body Model (Tested per JESD22-A114F) . . . . . . . . . . . . . . . . 2kV
Machine Model (Tested per EIA/JESD22-A115-A) . . . . . . . . . . . . . . 300V
Charged Device Model (Tested per JESD22-C101D) . . . . . . . . . . . . 750V
Di-electrically Isolated PR40 Process . . . . . . . . . . . . . . . . . . . Latch-up free
Thermal Information
Thermal Resistance (Typical)
θJA (°C/W) θJC (°C/W)
10 Ld Ceramic Flatpack (Notes 3, 4) . . . . .
130
20
Storage Temperature Range. . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Recommended Operating Conditions
Ambient Operating Temperature Range . . . . . . . . . . . . . .-55°C to +125°C
Maximum Operating Junction Temperature . . . . . . . . . . . . . . . . . .+150°C
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V (±2.5V) to 30V (±15V)
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product
reliability and result in failures not covered by warranty.
NOTES:
3. θJA is measured with the component mounted on a low effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
4. For θJC, the “case temp” location is the center of the exposed metal pad on the package underside.
Electrical Specifications VS ±15V, VCM = 0, VO = 0V, RL = Open, TA = +25°C, unless otherwise noted. Boldface limits apply over the
operating temperature range, -55°C to +125°C, and over the radiation tolerance limit with exposure at a high dose rate.
PARAMETER
DESCRIPTION
CONDITIONS
MIN MAX
(Note 5) TYP (Note 5)
UNIT
VOS Offset Voltage
-75 -10 75
-100 - 100
µV
µV
TCVOS
IOS
Offset Voltage Drift
Input Offset Current
-1 .1 1 µV/°C
-10 1 10
nA
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-12 - 12
nA
IB Input Bias Current
-10 1
-12 -
10
12
nA
nA
VCM Input Voltage Range
Guaranteed by CMRR
-13 -
-12 -
13
12
V
V
CMRR
Common-Mode Rejection Ratio
PSRR
Power Supply Rejection Ratio
AVOL
VOH
Open-Loop Gain
Output Voltage High
VCM = -13V to +13V
VCM = -12V to +12V
VS = ±2.25V to ±5V
VS = ±3V to ±15V
VO = -13V to +13V
RL = 10kto ground
RL = 10kto ground
115
115
110
110
1000
13.5
13.2
120
-
117
-
1500
13.65
-
-
-
-
-
-
-
-
dB
dB
dB
dB
V/mV
V
V
RL = 2kto ground
13.4
13.1
13.5
-
-
-
V
V
VOL Output Voltage Low
RL = 10kto ground
-
-13.65
-13.5
- - -13.2
V
V
RL = 2kto ground
-
-13.5
-13.4
- - -13.1
V
V
3 FN7925.1
September 23, 2011
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ISL70227SRH
Electrical Specifications VS ±15V, VCM = 0, VO = 0V, RL = Open, TA = +25°C, unless otherwise noted. Boldface limits apply over the
operating temperature range, -55°C to +125°C, and over the radiation tolerance limit with exposure at a high dose rate. (Continued)
PARAMETER
DESCRIPTION
CONDITIONS
MIN MAX
(Note 5) TYP (Note 5)
UNIT
IS Supply Current/Amplifier
- 2.2 2.8 mA
-
- 3.7
mA
ISC Short-Circuit
VSUPPLY
Supply Voltage Range
AC SPECIFICATIONS
RL = 0to ground
Guaranteed by PSRR
-
±2.25
±45
-
-
±15
mA
V
GBW
Gain Bandwidth Product
- 10 -
MHz
enp-p
en
en
en
en
in
Voltage Noise
Voltage Noise Density
Voltage Noise Density
Voltage Noise Density
Voltage Noise Density
Current Noise Density
0.1Hz to 10Hz
f = 10Hz
f = 100Hz
f = 1kHz
f = 10kHz
f = 10kHz
- 85 - nVP-P
- 3 - nV/Hz
- 2.8 - nV/Hz
- 2.5 - nV/Hz
- 2.5 - nV/Hz
- 0.4 - pA/Hz
THD + N
Total Harmonic Distortion + Noise
TRANSIENT RESPONSE
1kHz, G = 1, VO = 3.5VRMS,
RL = 2k
- 0.00022 -
%
SR Slew Rate
AV = 10, RL = 2k, VO = 4VP-P
- ±3.6 -
tr, tf, Small
Signal
Rise Time
10% to 90% of VOUT
AV = -1, VOUT = 100mVP-P,
- 36 -
Rf = Rg = 2k, RL = 2kto VCM
Fall Time
90% to 10% of VOUT
ts Settling Time to 0.1%
10V Step; 10% to VOUT
AV = -1, VOUT = 100mVP-P,
- 38 -
Rf = Rg = 2k, RL = 2kto VCM
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AV = -1, VOUT = 10VP-P,
- 3.4 -
Rg = Rf = 10k, RL = 2kto VCM
Settling Time to 0.01%
10V Step; 10% to VOUT
AV = -1, VOUT = 10VP-P,
RL = 2kto VCM
- 3.8 -
tOL Output Overload Recovery Time AV = 100, VIN = 0.2V,
RL = 2kto VCM
- 1.7 -
V/µs
ns
ns
µs
µs
µs
Electrical Specifications VS ±5V, VCM = 0, VO = 0V, TA = +25°C, unless otherwise noted. Boldface limits apply over the operating
temperature range, -55°C to +125°C.
PARAMETER
DESCRIPTION
CONDITIONS
MIN MAX
(Note 5) TYP (Note 5)
UNIT
VOS
TCVOS
IOS
IB
Offset Voltage
Offset Voltage Drift
Input Offset Current
Input Bias Current
- -10 -
µV
- .1 - µV/°C
-1-
nA
-1-
nA
CMRR
PSRR
AVOL
VOH
Common-Mode Rejection Ratio
Power Supply Rejection Ratio
Open-Loop Gain
Output Voltage High
VCM = -3V to +3V
VS = ±2.25V to ±5V
VO = -3V to +3V
RL = 10kto ground
RL = 10kto ground
RL = 2kto ground
- 120 -
- 125 -
- 1500 -
- 3.65 -
- 3.5 -
dB
dB
V/mV
V
4 FN7925.1
September 23, 2011
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ISL70227SRH
Electrical Specifications VS ±5V, VCM = 0, VO = 0V, TA = +25°C, unless otherwise noted. Boldface limits apply over the operating
temperature range, -55°C to +125°C. (Continued)
PARAMETER
DESCRIPTION
CONDITIONS
MIN MAX
(Note 5) TYP (Note 5)
UNIT
VOL Output Voltage Low
IS Supply Current/Amplifier
ISC Short-Circuit
AC SPECIFICATIONS
RL = 10kto ground
RL = 2kto ground
- -3.65 -
- -3.5 -
- 2.2 -
- ±45 -
V
mA
mA
GBW
Gain Bandwidth Product
- 10 -
MHz
THD + N
Total Harmonic Distortion + Noise
TRANSIENT RESPONSE
1kHz, G = 1, Vo = 2.5VRMS,
RL = 2k
- 0.0034 -
%
SR Slew Rate
AV = 10, RL = 2kOH
- ±3.6
tr, tf, Small
Signal
Rise Time
10% to 90% of VOUT
AV = -1, VOUT = 100mVP-P,
Rf = Rg = 2k, RL = 2kto VCM
-
36
Fall Time
90% to 10% of VOUT
AV = -1, VOUT = 100mVP-P,
Rf = Rg = 2k, RL = 2kto VCM
-
38
ts Settling Time to 0.1%
AV = -1, VOUT = 4VP-P,
Rf = Rg = 2k, RL = 2kto VCM
-
1.6
Settling Time to 0.01%
AV = -1, VOUT = 4VP-P,
Rf = Rg = 2k, RL = 2kto VCM
-
4.2
NOTE:
5. Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design.
-
-
-
-
-
V/µs
ns
ns
µs
µs
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Post Radiation Characteristics VS ±15V, VCM = 0V, VO = 0V, RL = Open, TA = +25°C, unless otherwise noted. This data is ATE test
data of the ISL70227SRH post radiation exposure at a high dose rate of 50 to 300rad(Si)/s, these are not limits nor are they guaranteed.
PARAMETER
DESCRIPTION
CONDITIONS
50k RAD 75k RAD 100k RAD
UNIT
VOS
IOS
IB
CMRR
PSRR
AVOL
IS
Offset Voltage
Input Offset Current
Input Bias Current
Common-Mode Rejection Ration
Power Supply Rejection Ratio
Open-Loop Gain
Supply Current/Amplifier
VCM = -13V to +13V
VS = ±2.25V to ±15V
VO = -13V to +13V
RL = 10kto ground
34
-1
-1
155
116
3500
2.2
30
-1
-2
155
116
3500
2.2
30
-2
-3
155
116
3500
2.2
µV
nA
nA
dB
dB
V/mV
mA
5 FN7925.1
September 23, 2011
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