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PDF ISL28148 Data sheet ( Hoja de datos )
| Número de pieza | ISL28148 | |
| Descripción | (ISL28x48) Single Dual and Quad Precision Rail-to-Rail Input-Output (RRIO) Op Amps | |
| Fabricantes | Intersil Corporation | |
| Logotipo |  |
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Data Sheet
ISL28148, ISL28248, ISL28448
March 13, 2008
FN6337.2
4.5MHz, Single Dual and Quad Precision
Rail-to-Rail Input-Output (RRIO) Op Amps
www.wdatiatshheVete4ur.ycomLow Input Bias Current
The ISL28148, ISL28248 and ISL28448 are 4.5MHz
low-power single, dual and quad operational amplifiers. The
parts are optimized for single supply operation from 2.4V to
5.5V, allowing operation from one lithium cell or two Ni-Cd
batteries.
The single, dual and quad feature an Input Range
Enhancement Circuit (IREC) which enables them to maintain
CMRR performance for input voltages greater than the
positive supply. The input signal is capable of swinging
0.25V above the positive supply and to 100mV below the
negative supply with only a slight degradation of the CMRR
performance. The output operation is rail-to-rail.
The parts draw minimal supply current (900µA per amplifier)
while meeting excellent DC accuracy, AC performance,
noise and output drive specifications. The ISL28148 features
an enable pin that can be used to turn the device off and
reduce the supply current to a maximum of 16µA. Operation
is guaranteed over -40°C to +125°C temperature range.
Features
• 4.5MHz gain bandwidth product
• 900µA supply current (per amplifier)
• 1.8mV maximum offset voltage
• 1pA typical input bias current
• Down to 2.4V single supply operation
• Rail-to-rail input and output
• Enable pin (ISL28148 SOT-23 package only)
• -40°C to +125°C operation
• Pb-free (RoHS compliant)
Applications
• Low-end audio
• 4mA to 20mA current loops
• Medical devices
• Sensor amplifiers
• ADC buffers
• DAC output amplifiers
Ordering Information
PART NUMBER
PART MARKING
PACKAGE
(Pb-free)
PKG. DWG. #
ISL28148FHZ-T7* (Note 1)
GABT
6 Ld SOT-23 (Tape and Reel)
MDP0038
ISL28148FHZ-T7A* (Note 1)
GABT
6 Ld SOT-23 (Tape and Reel)
MDP0038
Coming Soon, ISL28148FIZ-T7 (Note 2)
178Z
6 Ld WLCSP (1.5mmx1.0mm)
W3x2.6C
Coming Soon, ISL28248FBZ (Note 1)
28248BZ
8 Ld SOIC
MDP0027
Coming Soon, ISL28248FBZ-T7* (Note 1)
28248BZ
8 Ld SOIC (Tape and Reel)
MDP0027
Coming Soon, ISL28248FUZ (Note 1)
8248Z
8 Ld MSOP
MDP0043
Coming Soon, ISL28248FUZ-T7* (Note 1)
8248Z
8 Ld MSOP (Tape and Reel)
MDP0043
Coming Soon, ISL28448FVZ (Note 1)
MXZ
14 Ld TSSOP
MDP0044
Coming Soon, ISL28448FVZ-T7* (Note 1)
MXZ
14 Ld TSSOP (Tape and Reel)
MDP0044
*Please refer to TB347 for details on reel specifications.
NOTES:
1. These Intersil Pb-free plastic packaged products employ special Pb-free material sets; molding compounds/die attach materials and 100%
matte tin plate PLUS ANNEAL - e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering
operations. Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of
IPC/JEDEC J STD-020.
2. These Intersil Pb-free WLCSP and BGA packaged products products employ special Pb-free material sets; molding compounds/die attach
materials and SnAgCu - e1 solder ball terminals, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations.
Intersil Pb-free WLCSP and BGA packaged products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free
requirements of IPC/JEDEC J STD-020.
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright © Intersil Americas Inc. 2007, 2008. All Rights Reserved.
All other trademarks mentioned are the property of their respective owners.
1 page  
ISL28148, ISL28248, ISL28448
Typical Performance Curves V+ = 5V, V- = 0V, VCM = 2.5V, RL = Open
15
10
5
Rf = Rg = 100k
Rf = Rg = 10k
www.datasheet4u.com
0
V+ = 5V
-5 RL = 1k
CL = 16.3pF
-10 AV = +2
VOUT = 10mVP-P
-15
100 1k 10k
Rf = Rg = 1k
100k
1M
FREQUENCY (Hz)
10M 100M
FIGURE 1. GAIN vs FREQUENCY vs FEEDBACK RESISTOR
VALUES Rf/Rg
1
0
-1 VOUT = 100mV
-2 VOUT = 50mV
-3 VOUT = 10mV
-4 VOUT = 1V
-5
-6 V+ = 5V
-7 RL = 1k
-8 CL = 16.3pF
-9 AV = +1
1k
10k 100k
1M
10M
100M
FREQUENCY (Hz)
FIGURE 2. GAIN vs FREQUENCY vs VOUT, RL = 1k
1
0
-1 VOUT = 100mV
-2 VOUT = 50mV
-3 VOUT = 10mV
-4 VOUT = 1V
-5
-6 V+ = 5V
-7 RL = 10k
-8 CL = 16.3pF
AV = +1
-9
1k
10k 100k
1M
10M
100M
FREQUENCY (Hz)
FIGURE 3. GAIN vs FREQUENCY vs VOUT, RL = 10k
1
RL = 1k
0
-1
RL = 10k
-2
-3 RL = 100k
-4
-5
-6 V+ = 5V
-7 VOUT = 10mVP-P
-8 CL = 16.3pF
AV = +1
-9
1k 10k 100k 1M 10M
FREQUENCY (Hz)
FIGURE 5. GAIN vs FREQUENCY vs RL
100M
1
0
-1 VOUT = 100mV
-2 VOUT = 50mV
-3 VOUT = 10mV
-4 VOUT = 1V
-5
-6 V+ = 5V
-7 RL = 100k
-8 CL = 16.3pF
AV = +1
-9
1k
10k 100k
1M
10M
100M
FREQUENCY (Hz)
FIGURE 4. GAIN vs FREQUENCY vs VOUT, RL = 100k
70
AV = 1001
60
50
AV = 101
40
30
AV = 10
20
10
AV = 1
0
AV = 1, Rg = INF, Rf = 0
AV = 10, Rg = 1k, Rf = 9.09k
AV = 101, Rg = 1k, Rf = 100k
AV = 1001, Rg = 1k, Rf = 1M
V+ = 5V
CL = 16.3pF
RL = 10k
VOUT = 10mVP-P
-10
100 1k 10k 100k 1M 10M 100M
FREQUENCY (Hz)
FIGURE 6. FREQUENCY RESPONSE vs CLOSED LOOP GAIN
5 FN6337.2
March 13, 2008
5 Page 
ISL28148, ISL28248, ISL28448
Typical Performance Curves V+ = 5V, V- = 0V, VCM = 2.5V, RL = Open (Continued)
140
130
www.datasheet4u.com
120
MAX
110
100 MEDIAN
90
MIN
80
70
-40 -20
0
20 40 60 80 100 120
TEMPERATURE (°C)
FIGURE 36. CMRR vs TEMPERATURE VCM = -2.5V TO +2.5V,
V+, V- = ±2.5V
140
130
MAX
120
110
100
MEDIAN
90
MIN
80
70
-40 -20
0
20 40 60 80 100 120
TEMPERATURE (°C)
FIGURE 37. PSRR vs TEMPERATURE V+, V- = ±1.2V TO ±2.75V
4.970
4.965
4.960
MAX
4.955
4.950
4.945
MEDIAN
MIN
4.940
-40 -20
0
20 40 60 80 100 120
TEMPERATURE (°C)
FIGURE 38. VOUT HIGH vs TEMPERATURE RL = 1k,
V+, V- = ±2.5V
75
70
MAX
65
60
MEDIAN
55
50 MIN
45
40
-40 -20
0
20 40 60 80 100 120
TEMPERATURE (°C)
FIGURE 40. VOUT LOW vs TEMPERATURE RL = 1k,
V+, V- = ±2.5V
11
4.9994
4.9992
4.9990
MAX
4.9988
4.9986
4.9984
MEDIAN
MIN
4.9982
-40 -20
0
20 40 60 80 100 120
TEMPERATURE (°C)
FIGURE 39. VOUT HIGH vs TEMPERATURE RL = 100k,
V+, V- = ±2.5V
3.3
3.1
2.9
MAX
2.7
2.5
2.3
MEDIAN
2.1
1.9 MIN
1.7
1.5
-40 -20
0
20 40 60 80 100 120
TEMPERATURE (°C)
FIGURE 41. VOUT LOW vs TEMPERATURE RL = 100k,
V+, V- = ±2.5V
FN6337.2
March 13, 2008
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet ISL28148.PDF ] | |
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