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DATASHEET
Radiation Hardened Dual 36V Precision Single-Supply,
Rail-to-Rail Output, Low-Power Operational Amplifiers
ISL70218SEH, ISL70218SRH
The ISL70218SEH, ISL70218SRH are dual, low-power
precision amplifiers optimized for single-supply applications.
These op amps feature a common-mode input voltage range
extending to 0.5V below the V- rail, a rail-to-rail differential
input voltage range, and rail-to-rail output voltage swing, which
makes it ideal for single-supply applications where input
operation at ground is important.
These op amps feature low-power, low-offset voltage and
low-temperature drift, making it ideal for applications
requiring both high DC accuracy and AC performance. They are
designed to operate over a single supply range of 3V to 36V or a
split supply voltage range of +1.8V/-1.2V to ±18V. The
combination of precision and small footprint provides the user
with outstanding value and flexibility relative to similar
competitive parts.
Applications for these amplifiers include precision
instrumentation, data acquisition and precision power supply
controls.
ISL70218SEH, ISL70218SRH are available in a 10 lead
hermetic ceramic flatpack and operate across the extended
temperature range of -55°C to +125°C.
Related Literature
AN1653, “ISL70218SRH Evaluation Board User’s Guide”
AN1677, “Single Events Effects Testing of the
ISL70218SRH, Dual 36V Rad Hard Low Power Operational
Amplifiers”
Features
• DLA SMD# 5962-12222 (ISL70218SEH Only)
• Wide single and dual supply range . . . . . . 3V to 42V, Abs. Max.
• Low current consumption . . . . . . . . . . . . . . . . .850µA, typical
• Low input offset voltage. . . . . . . . . . . . . . . . . . . . 40µV, typical
• Rail-to-rail output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <10mV
• Rail-to-rail input differential voltage range for comparator
applications
• Operating temperature range. . . . . . . . . . . .-55°C to +125°C
• Below-ground (V-) input capability to -0.5V
• Low noise voltage. . . . . . . . . . . . . . . . . . . . . 5.6nV/Hz, typical
• Low noise current. . . . . . . . . . . . . . . . . . . . 355fA/Hz, typical
• Offset voltage temperature drift . . . . . . . . .0.3µV/°C, typical
• No phase reversal
• Radiation tolerance
- High dose rate (50-300rad(Si)/s). . . . . . . . . . . 100krad(Si)
- Low dose rate (0.01rad(Si)/s) . . . . . . . . . . . . 100krad(Si)*
- SEB LETTH (VS = ±18V) . . . . . . . . . . . . . .86.4 MeV•cm2/mg
- SEL Immune (SOI Process)
* Product capability established by initial characterization. The
EH version is acceptance tested on a wafer-by-wafer basis to
50krad(Si) at low dose rate.
Applications
• Precision instruments
• Active filter blocks
• Data acquisition
• Power supply control
LOAD
RIN-
RSENSE
10kΩ
RIN+
10kΩ
VREF
RF
100kΩ
IN- -
+3V
to 36V
V+
ISL70218SxH
IN+ +
V-
VOUT
RREF+
100kΩ
GAIN = 10
FIGURE 1. TYPICAL APPLICATION: SINGLE-SUPPLY, LOW-SIDE
CURRENT SENSE AMPLIFIER
400
+25°C
300
200 +125°C
100
0
-100
-200 -55°C
-40°C
-300
-400
-16
-15
-14 -13 13
14
15
INPUT COMMON-MODE VOLTAGE (V)
16
FIGURE 2. INPUT OFFSET VOLTAGE vs INPUT COMMON-MODE
VOLTAGE, VS = ±15V
May 19, 2016
FN7957.3
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 LLC. 2012, 2014, 2016. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
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ISL70218SEH, ISL70218SRH
Pin Configuration
OUT_A
-IN_A
+IN_A
NC
V-
ISL70218SEH, ISL70218SRH
(10 LD FLATPACK)
TOP VIEW
1 10
2
3 -+
9
8
4 +- 7
56
V+
OUT_B
-IN_B
+IN_B
NC
Pin Descriptions
PIN NUMBER
1
2
3
4, 6
5
7
8
9
10
PIN NAME
OUT_A
-IN_A
+IN_A
NC
V-
+IN_B
-IN_B
OUT_B
V+
V+
IN- IN+
CIRCUIT 1
V-
EQUIVALENT CIRCUIT
Circuit 2
Circuit 1
Circuit 1
Circuit 1, 2, 3
Circuit 1
Circuit 1
Circuit 2
Circuit 1, 2, 3
DESCRIPTION
Amplifier A output
Amplifier A inverting input
Amplifier A noninverting input
No connect
Negative power supply
Amplifier B noninverting input
Amplifier B inverting input
Amplifier B output
Positive power supply
V+
OUT
V-
CIRCUIT 2
V+
CAPACITIVELY
TRIGGERED ESD
CLAMP
V-
CIRCUIT 3
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ISL70218SEH, ISL70218SRH
Ordering Information
ORDERING
SMD NUMBER
PART NUMBER
(Note 1)
TEMP RANGE
(°C)
PACKAGE
(RoHS Compliant)
PKG.
DWG. #
5962R1222201VXC (Note 2) ISL70218SEHVF
-55 to +125
10 Ld Flatpack
K10.A
NA
ISL70218SEHF/PROTO
-55 to +125
10 Ld Flatpack
K10.A
5962R1222201V9A (Note 2) ISL70218SEHVX
-55 to +125
Die
NA
ISL70218SEHVX/SAMPLE
-55 to +125
Die
NA
ISL70218SRHMF
-55 to +125
10 Ld Flatpack
K10.A
NA
ISL70218SRHF/PROTO
-55 to +125
10 Ld Flatpack
K10.A
NA
ISL70218SRHMX
-55 to +125
Die
NA
ISL70218SRHX/SAMPLE
-55 to +125
Die
NA
ISL70218SRHMEVAL1Z
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. Specifications for Rad Hard QML devices are controlled by the Defense Logistics Agency Land and Maritime (DLA). The SMD numbers listed in the
“Ordering Information” table must be used when ordering.
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ISL70218SEH, ISL70218SRH
Absolute Maximum Ratings
Maximum Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42V
Maximum Supply Voltage (Note 5). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36V
Maximum Differential Input Current . . . . . . . . . . . . . . . . . . . . . . . . . . 20mA
Maximum Differential Input Voltage . . . . . . . . . . . . . . .V- - 0.5V to V+ + 0.5V
Min/Max Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . .V- - 0.5V to V+ + 0.5V
Max/Min Input Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±20mA
Output Short-Circuit Duration (1 output at a time) . . . . . . . . . . . . . Indefinite
ESD Tolerance
Human Body Model (Tested per MIL-PRF-883 3015.7). . . . . . . . . . . 2kV
Machine Model (Tested per JESD22-A115-A) . . . . . . . . . . . . . . . . . . 300V
Charged Device Model (Tested per CDM-22CI0ID) . . . . . . . . . . . . . . 750V
Dielectrically Isolated PR40 Process . . . . . . . . . . . . . . . . . . . . Latch-Up Free
Thermal Information
Thermal Resistance (Typical)
JA (°C/W) JC (°C/W)
10 Ld Flatpack Package (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 . . . . . . . . . . . . . . . . . . . . . . 3V (+1.8V/-1.2V) 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. JA 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 JC, the “case temp” location is the center of the package underside.
5. Tested in a heavy ion environment at LET = 86.4 MeV•cm2/mg at +125°C (TC) for SEB. Please refer to AN1677 for more information.
Electrical Specifications VS ±15V, VCM = 0, VO = 0V, RL = Open, TA= +25°C, unless otherwise noted. Boldface limits apply across the
operating temperature range, -55°C to +125°C.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
(Note 6)
TYP
MAX
(Note 6)
UNIT
VOS Offset Voltage
40 230 µV
290 µV
TCVOS
VOS
Offset Voltage Drift
Input Offset Voltage Match
Channel-to-Channel
0.3 1.4 µV/°C
44 280 µV
365 µV
IOS Input Offset Current
-50 4
-75
50 nA
75 nA
IB Input Bias Current
-575
-800
-230
nA
nA
VCMIR
Common-Mode Input Voltage Range
Guaranteed by CMRR Test
(V-) - 0.5
V-
(V+) - 1.8
(V+) - 1.8
V
V
CMRR
PSRR
Common-Mode Rejection Ratio
Power Supply Rejection Ratio
VCM = V- to V+ -1.8V
VCM = V- to V+ -1.8V
VS = 3V to 40V,
VCMIR = Valid Input Voltage
100 118
97
105 124
100
dB
dB
dB
dB
AVOL Open-Loop Gain
RL = 10kΩ to ground
VO = -13V to +13V
120 130
115
dB
dB
VOH Output Voltage High, V+ to VOUT
RL = 10kΩ
110 mV
120 mV
VOL Output Voltage Low, VOUT to V-
RL = 10kΩ
70 mV
80 mV
IS Supply Current/Amplifier
0.85
1.10
1.4
mA
mA
IS+ Source Current Capability
10 mA
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ISL70218SEH, ISL70218SRH
Electrical Specifications VS ±15V, VCM = 0, VO = 0V, RL = Open, TA= +25°C, unless otherwise noted. Boldface limits apply across the
operating temperature range, -55°C to +125°C. (Continued)
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
(Note 6)
TYP
MAX
(Note 6)
UNIT
IS- Sink Current Capability
VSUPPLY
Supply Voltage Range
AC SPECIFICATIONS
Guaranteed by PSRR
10 mA
3 40 V
GBW
enp-p
en
en
en
en
in
THD + N
Gain Bandwidth Product
Voltage Noise
Voltage Noise Density
Voltage Noise Density
Voltage Noise Density
Voltage Noise Density
Current Noise Density
Total Harmonic Distortion + Noise
TRANSIENT RESPONSE
ACL = 101, VOUT = 100mVP-P; RL = 2k
0.1Hz to 10Hz, VS = ±18V
f = 10Hz, VS = ±18V
f = 100Hz, VS = ±18V
f = 1kHz, VS = ±18V
f = 10kHz, VS = ±18V
f = 1kHz, VS = ±18V
1kHz, G = 1, VO = 3.5VRMS,
RL = 10kΩ
4
300
8.5
5.8
5.6
5.6
355
0.0003
MHz
nVP-P
nV/Hz
nV/Hz
nV/Hz
nV/Hz
fA/Hz
%
SR Slew Rate
AV = 1, RL = 2kΩ, VO = 10VP-P
±1.0
±0.4
±1.2
V/µs
V/µs
tr, tf, Small Signal Rise Time 10% to 90% of VOUT
AV = 1, VOUT = 100mVP-P, Rf = 0Ω,
RL = 2kΩ to VCM
100 200
400
ns
ns
Fall Time 90% to 10% of VOUT
AV = 1, VOUT = 100mVP-P, Rf = 0Ω
RL = 2kΩto VCM
100 230
400
ns
ns
ts Settling Time to 0.01%
10V Step; 10% to VOUT
OS+ Positive Overshoot
AV = 1, VOUT = 10VP-P, Rf = 0Ω
RL = 2kΩ to VCM
AV = 1, VOUT = 10VP-P, Rf = 0Ω
RL = 2kΩ to VCM
8.5
5
35
µs
%
%
OS- Negative Overshoot
AV = 1, VOUT = 10VP-P, Rf = 0Ω
RL = 2kΩ to VCM
5%
35 %
Electrical Specifications VS ±15V, VCM = 0, VO = 0V, RL = Open, TA= +25°C, unless otherwise noted. Boldface limits apply over a total
ionizing dose of 100krad(Si) with exposure at a high dose rate of 50 - 300krad(Si)/s; and over a total ionizing dose of 50krad(Si) with exposure at a low
dose rate of <10mrad(Si)/s.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
(Note 6)
TYP
MAX
(Note 6)
UNIT
VOS Offset Voltage
40 230 µV
290 µV
TCVOS
VOS
Offset Voltage Drift
Input Offset Voltage Match
Channel-to-Channel
0.3 1.4 µV/°C
44 280 µV
365 µV
IOS Input Offset Current
-50 4
-75
50 nA
75 nA
IB Input Bias Current
-575
-1500
-230
nA
nA
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