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PDF ISL28110 Data sheet ( Hoja de datos )
| Número de pieza | ISL28110 | |
| Descripción | (ISL28110 / ISL28210) Precision Low Noise JFET Operational Amplifiers | |
| Fabricantes | Intersil | |
| Logotipo |  |
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Precision Low Noise JFET Operational Amplifiers
ISL28110, ISL28210
The ISL28110, ISL28210, are single and dual JFET amplifiers
featuring low noise, high slew rate, low input bias current and
offset voltage, making them the ideal choice for high
impedance applications where precision and low noise are
important. The combination of precision, low noise, and high
speed combined with a small footprint provides the user with
outstanding value and flexibility relative to similar competitive
parts.
Applications for these amplifiers include precision medical
and analytical instrumentation, sensor conditioning, precision
power supply controls, industrial controls and photodiode
amplifiers.
The ISL28110 single amplifier is available in the 8 Ld SOIC,
TDFN, and MSOP packages. The ISL28210 dual amplifier is
available in the 8 Ld SOIC and TDFN packages. All devices are
offered in standard pin configurations and operate over the
extended temperature range from -40°C to +125°C.
Features
• Wide Supply Range . . . . . . . . . . . . . . . . . . . . . . . . . . 9V to 40V
• Low Voltage Noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6nV/√Hz
• Input Bias Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2pA
• High Slew Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23V/µs
• High Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.5MHz
• Low Input Offset . . . . . . . . . . . . . . . . . . . . . . . . . . . 300µV, Max
• Offset Drift . . . . . . . . . . . . . . . . . . . . . . . . . . Grade C 10µV/°C
• Low Current Consumption . . . . . . . . . . . . . . . . . . . . . . 2.55mA
• Operating Temperature Range. . . . . . . . . . .-40°C to +125°C
• Small Package Offerings in Single, and Dual
• Pb-Free (RoHS compliant)
Applications
• Precision Instruments
• Photodiode Amplifiers
• High Impedance Buffers
• Medical Instrumentation
• Active Filter Blocks
• Industrial Controls
Related Literature
• AN1594 ISL28210SOICEVAL1Z Evaluation Board User’s
Guide
RF
CF
PHOTO
DIODE
RSH
V+
-
CT
+
OUTPUT
V-
BASIC APPLICATION CIRCUIT - PHOTODIODE AMPLIFIER
FIGURE 1. TYPICAL APPLICATION
10
8 VS = ±15V
6
4
2
0
-2
-4
-6
-8
-10
-15 -10 -5
0
5
VCM (V)
10 15
FIGURE 2. INPUT BIAS CURRENT vs COMMON MODE INPUT
VOLTAGE
September 14, 2011
FN6639.2
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. 2010, 2011. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
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1 page  
ISL28110, ISL28210
Electrical Specifications VS = ±5V, VCM = 0, VOUT = 0V, TA = +25°C, unless otherwise noted. Boldface limits apply over the operating
temperature range, -40°C to +125°C. (Continued)
PARAMETER
DESCRIPTION
CONDITIONS
MIN
(Note 8)
MAX
TYP (Note 8) UNITS
RIN-DIFF
RIN-CM
VCMIR
CMRR
AVOL
Differential Input Resistance
Common Mode Input Resistance
Common Mode Input Voltage Range
Guaranteed by CMRR test
Common Mode Rejection Ratio
Open-loop Gain
VCM = -3.5V to +3.5V
VCM = -2.5V to +2.5V
RL = 10kΩ to ground
VO = -3V to +3V
V- + 1.5
V- + 2.5
88
104
103
530
560
V+ - 1.5
V+ - 2.5
90
100
108
GΩ
GΩ
V
V
dB
dB
dB
dB
DYNAMIC PERFORMANCE
GBWP
SR
THD+N
Gain-bandwidth Product
Slew Rate, VOUT 20% to 80%
Total Harmonic Distortion + Noise
ts Settling Time to 0.1%
4V Step; 10% to VOUT
Settling Time to 0.01%
4V Step; 10% to VOUT
NOISE PERFORMANCE
G = 100, RL = 100kΩ, CL = 4pF
G = -1, RL = 2kΩ, 4V Step
G = 1, f = 1kHz, 4VP-P, RL = 2kΩ
G = 1, f = 1kHz, 4VP-P, RL = 600Ω
AV = 1, VOUT = 4VP-P, RL = 2kΩ to VCM
AV = 1, VOUT = 4VP-P, RL = 2kΩ to VCM
11 12.5
20
0.0002
0.0003
0.4
1
MHz
V/µs
%
%
µs
µs
enP-P
en
Peak-to-Peak Input Voltage Noise
Input Voltage Noise Spectral Density
0.1Hz to 10Hz
f = 10Hz
f = 100Hz
580 nVP-P
14 nV/√Hz
7 nV/√Hz
f = 1kHz
6 nV/√Hz
f = 10kHz
6 nV/√Hz
in Input Current Noise Spectral Density
OUTPUT CHARACTERISTICS
f = 1kHz
9 fA/√Hz
VOL Output Voltage Low, VOUT to V-
RL = 10kΩ
0.8 1.0
1.1
V
V
RL = 2kΩ
0.9 1.1
1.2
V
V
VOH Output Voltage High, V+ to VOUT RL to GND = 10kΩ
0.8 1.0
1.1
V
V
RL to GND = 2kΩ
0.9 1.1
1.2
V
V
ISC Output Short Circuit Current
POWER SUPPLY
RL = 10Ω to V+. V-
±50 mA
VSUPPLY
PSRR
Supply Voltage Range
Power Supply Rejection Ratio
Guaranteed by PSRR
VS = ± 4.5V to ±5V
±4.5
±20V
V
102 115
dB
100 dB
IS Supply Current/Amplifier
2.5 2.9 mA
3.8 mA
5 FN6639.2
September 14, 2011
Free Datasheet http://www.datasheet4u.com/
5 Page 
ISL28110, ISL28210
Typical Performance Curves
VS = ±15V, VCM = 0V, RL = Open, T = +25°C, unless otherwise specified. (Continued)
1
VS = ±15V
CL = 4pF
RL = 600
0.1 f = 1kHz
AV = 1
1
VS = ±15V
CL= 4pF
RL= 2k
0.1 f = 1kHz
C-WEIGHTED
0.01 22Hz to 22kHz
C-WEIGHTED
0.01 22Hz to 22kHz
AV = 1
0.001
+25°C
+125°C
0.0001
0
-40°C
5 10 15 20 25 30
VOUT (VP-P)
FIGURE 21. THD+N vs OUTPUT VOLTAGE (VOUT) vs TEMPERATURE,
AV = 1 f = 1kHz, RL = 600Ω
0.001
+25°C
+125°C
0.0001
0
-40°C
5 10 15 20 25 30
VOUT (VP-P)
FIGURE 22. THD+N vs OUTPUT VOLTAGE (VOUT) vs TEMPERATURE,
AV = 1 f =1kHz, RL = 2kΩ
0
VS = ±15V
-20
CL = 4pF
VCM = 1VP-P
-40
-60
RL-TRANSMIT = 2k
RL_RECEIVE = 10k
-80
-100
RL-TRANSMIT = ∞
RL_RECEIVE = ∞
-120
-140
1
10 100 1k 10k 100k 1M 10M 100M
FREQUENCY (Hz)
FIGURE 23. CROSSTALK vs FREQUENCY
60
VS = ±15V
50 VOUT = 100mVP-P
40
30
20 AV = 1
AV = -1
AV = 10
10
0
0.001
0.01
0.1
1
10
LOAD CAPACITANCE (nF)
100
FIGURE 24. SMALL SIGNAL OVERSHOOT vs LOAD CAPACITANCE (CL)
200
180
160
140
120
100
80
60
40
20
0
-20
-40
-60 VS = ±15V
-80 RL=1MΩ
-100
0.1 1 10
PHASE
GAIN
100 1k 10k 100k 1M 10M 100M 1G
FREQUENCY (Hz)
FIGURE 25. OPEN LOOP GAIN-PHASE vs FREQUENCY
11
70
60 ACL = 1000
RF = 100kΩ, RG = 100Ω
50 RF = 100kΩ, RG = 1kΩ
40 ACL = 100
30
ACL = 10
20
VS = ±5V & ±15V
CL = 4pF
RL = OPEN
VOUT = 100mVP-P
10 RF = 100kΩ, RG = 10kΩ
0 ACL = 1
-10
1k
RF = 0, RG = ∞
10k
100k
1M
10M
100M
FREQUENCY (Hz)
FIGURE 26. CLOSED LOOP GAIN vs FREQUENCY
FN6639.2
September 14, 2011
Free Datasheet http://www.datasheet4u.com/
11 Page | ||
| Páginas | Total 25 Páginas | |
| PDF Descargar | [ Datasheet ISL28110.PDF ] | |
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