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PDF ISL28118M Data sheet ( Hoja de datos )
| Número de pieza | ISL28118M | |
| Descripción | Operational Amplifier | |
| Fabricantes | Intersil | |
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40V Extended Temperature Range, Precision
Single-Supply, Rail-to-Rail Output, Operational Amplifier
ISL28118M
The ISL28118M is a single, low-power precision amplifier
optimized for single-supply applications over the extended
temperature range of -55°C to +125°C. This device features a
common mode input voltage range extending to 0.5V below
the V- rail, a rail-to-rail differential input voltage range for use
as a comparator, and rail-to-rail output voltage swing, which
makes it ideal for single-supply applications where input
operation at ground is important.
The ISL28118M features low power, low offset voltage, and
low temperature drift, making it the ideal choice for
applications requiring both high DC accuracy and AC
performance. The op amp is designed to operate over a single
supply range of 3V to 40V or a split supply voltage range of
+1.8V/-1.2V to ±20V. The combination of precision and small
footprint provides the user with outstanding value and
flexibility relative to similar competitive parts.
Applications include precision instrumentation, data
acquisition, precision power supply controls, and industrial
controls.
The ISL28118M is offered in the 8 Ld MSOP package and
operate over the extended temperature range of -55°C to
+125°C.
Features
• Rail-to-rail output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <10mV
• Below-ground (V-) input capability to -0.5V
• Rail-to-rail input differential voltage range for comparator
applications
• Single-supply range . . . . . . . . . . . . . . . . . . . . . . . . . . 3V to 40V
• Low current consumption . . . . . . . . . . . . . . . . . . . . . . . . 850µA
• Low noise voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . 5.6nV/√Hz
• Low noise current. . . . . . . . . . . . . . . . . . . . . . . . . . . 355fA/√Hz
• Low input offset voltage . . . . . . . . . . . . . . . . . . . . 150µV Max.
• Superb offset voltage temperature drift. . . . 1.2µV/°C, Max.
• Operating temperature range. . . . . . . . . . . .-55°C to +125°C
• No phase reversal
Applications
• Precision instruments
• Medical instrumentation
• Data acquisition
• Power supply control
• Industrial process control
LOAD
RSENSE
RIN-
10kΩ
RIN+
10kΩ
VREF
RF
100kΩ
IN- -
V+
ISL28118M
IN+ +
V-
+3V
to 40V
VOUT
RREF+
100kΩ
GAIN = 10
FIGURE 1. TYPICAL APPLICATION: SINGLE-SUPPLY, LOW-SIDE
CURRENT SENSE AMPLIFIER
400
300
200
100
0
-100
-200
-300
-400
-16
-55°C
+25°C
-40°C
+125°C
-15
-14 -13 13
14
15
INPUT COMMON MODE VOLTAGE (V)
16
FIGURE 2. INPUT OFFSET VOLTAGE vs INPUT COMMON MODE
VOLTAGE, -40°C to +125°C, VS = ±15V
March 7, 2014
FN7858.1
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 LLC 2011, 2014. 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.
1 page  
ISL28118M
Electrical Specifications, VS ±15 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. Temperature data established by characterization. (Continued)
PARAMETER
DESCRIPTION
CONDITIONS
MIN MAX
(Note 6) TYP (Note 6) UNIT
ISC- Output Short Circuit Sink Current
VSUPPLY
Supply Voltage Range
AC SPECIFICATIONS
RL = 10Ω to V+
Guaranteed by PSRR
28 mA
3 40 V
GBWP
Gain Bandwidth Product
enp-p
en
en
en
en
in
Voltage Noise
Voltage Noise Density
Voltage Noise Density
Voltage Noise Density
Voltage Noise Density
Current Noise Density
THD + N
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
tr, tf, Small
Signal
ts
Slew Rate
Rise Time
10% to 90% of VOUT
Fall Time
90% to 10% of VOUT
Settling Time to 0.01%
10V Step; 10% to VOUT
AV = 1, RL = 2kΩ, VO = 10VP-P
AV = 1, VOUT = 100mVP-P, Rf = 0Ω, RL = 2kΩ to
VCM
AV = 1, VOUT = 100mVP-P, Rf = 0Ω,
RL = 2kΩ to VCM
AV = 1, VOUT = 10VP-P, Rf = 0Ω
RL = 2kΩ to VCM
±1.2
100
100
8.5
V/µs
ns
ns
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. Temperature data established by characterization.
PARAMETER
DESCRIPTION
CONDITIONS
MIN
(Note 6)
MAX
TYP (Note 6) UNIT
VOS Input Offset Voltage
-150 25 150 µV
-270
270 µV
TCVOS
Input Offset Voltage Temperature
Coefficient
-1.2 0.2 1.2 µV/°C
IB Input Bias Current
-575
-800
-230
nA
nA
TCIB Input Bias Current
Temperature Coefficient
-0.8 nA/°C
IOS Input Offset Current
-50 4 50 nA
-75 75 nA
CMRR
Common-Mode Rejection Ratio
VCM = V- - 0.5V to V+ - 1.8V
VCM = V- to V+ -1.8V
119
101 117
96
dB
dB
dB
VCMIR
PSRR
Common Mode Input Voltage
Range
Power Supply Rejection Ratio
Guaranteed by CMRR test
VS = 3V to 10V, VCMIR = Valid Input Voltage
V- - 0.5
V-
108
103
V+ - 1.8
V+ - 1.8
124
V
V
dB
dB
Submit Document Feedback
5
FN7858.1
March 7, 2014
5 Page 
ISL28118M
Typical Performance Curves VS = ±15V, VCM = 0V, RL = Open, unless otherwise specified. (Continued)
100
100 100
100
VS = ±18V
VS = ±5V
10
INPUT NOISE VOLTAGE
10
INPUT NOISE VOLTAGE
10 10
INPUT NOISE CURRENT
1
INPUT NOISE CURRENT 1
1
1
0.1 0.1
0.1 1 10 100 1k 10k 100k
FREQUENCY (Hz)
FIGURE 27. INPUT NOISE VOLTAGE (en) AND INPUT NOISE
CURRENT (in) vs FREQUENCY, VS = ±18V
0.10.1
1
0.1
10 100 1k 10k 100k
FREQUENCY (Hz)
FIGURE 28. INPUT NOISE VOLTAGE (en) AND INPUT NOISE
CURRENT (in) vs FREQUENCY, VS = ±5V
500
400
VS = ±18V
AV = 10k
300
200
100
0
-100
-200
-300
-400
-500
0 1 2 3 4 5 6 7 8 9 10
TIME (s)
FIGURE 29. INPUT NOISE VOLTAGE 0.1Hz TO 10Hz, VS = ±18V
500
400
VS = ±5V
AV = 10k
300
200
100
0
-100
-200
-300
-400
-500
0 1 2 3 4 5 6 7 8 9 10
TIME (s)
FIGURE 30. INPUT NOISE VOLTAGE 0.1Hz TO 10Hz, VS = ±5V
0.1
0.01
VS = ±15V
CL = 4pF
RL = 2k
VOUT = 10VP-P
C = WEIGHTED
22Hz TO 500kHz
AV = 10
+125°C
-40°C
+25°C
0.001
0.0001
10
+125°C
+25°C -40°C
AV = 1
100 1k 10k 100k
FREQUENCY (Hz)
FIGURE 31. THD+N vs FREQUENCY vs TEMPERATURE,
AV = 1,10, RL = 2k
Submit Document Feedback 11
0.1
VS = ±15V
CL = 4pF
RL = 10k
VOUT = 10VP-P
0.01
C = WEIGHTED
22Hz TO 500kHz
-40°C
+125°C +25°C
AV = 10
0.001
0.0001
10
AV = 1
+25°C +125°C
100 1k 10k
FREQUENCY (Hz)
-40°C
100k
FIGURE 32. THD+N vs FREQUENCY vs TEMPERATURE,
AV = 1, 10,RL = 10k
FN7858.1
March 7, 2014
11 Page | ||
| Páginas | Total 23 Páginas | |
| PDF Descargar | [ Datasheet ISL28118M.PDF ] | |
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