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PDF ISL28634 Data sheet ( Hoja de datos )
| Número de pieza | ISL28634 | |
| Descripción | (ISL28533 - ISL28635) Programmable Gain Instrumentation Amplifiers | |
| Fabricantes | Intersil | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ISL28634 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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5V, Rail-Rail I/O, Zero-Drift, Programmable Gain
Instrumentation Amplifiers
ISL28533, ISL28534, ISL28535, ISL28633, ISL28634, ISL28635
The ISL28533, ISL28534, ISL28535, ISL28633, ISL28634,
and ISL28635 are 5V Zero-Drift Rail-to-Rail Input/Output
Programmable Gain Instrumentation Amplifiers (PGIA). These
instrumentation amplifiers feature low offset, low noise, low
gain error and high CMRR. They are ideal for high precision
applications over the wide industrial temperature range.
These Instrumentation Amplifiers are designed with a unique
2-bit, 3-state logic interface that allows up to 9 selectable gain
settings. The ISL2853x single-ended output includes and
additional uncommitted zero-drift amplifier, useful to buffer
the REF input or used as a precision amplifier. The ISL2863x
differential output amplifier includes a reference pin to set the
common mode output voltage to interface with differential
input ADCs.
Applications
• Pressure and strain gauge transducers
• Weight scales
• Flow sensors
• Biometric: ECG/blood glucose
• Temperature sensors
• Test and measurement
Features
• Ultra high precision front end amplifier
• Zero drift instrumentation amplifier
• Pin selectable 9 gain settings: G = 1 to 1,000
• Rail-to-Rail input/output
• Single ended output (ISL28533, ISL28534, ISL28535)
• Differential output (ISL28633, ISL28634, ISL28635)
• RFI filtered inputs improve EMI rejection
• Single supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5V to 5.5V
• Dual supply . . . . . . . . . . . . . . . . . . . . . . . . . ±1.25V to ±2.75V
• Low input offset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5µV, Max
• Low input offset drift . . . . . . . . . . . . . . . . . . . . . 50nV/°C, Max
• High CMRR . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138dB, G = 100
• Low gain error. . . . . . . . . . . . . . . . . . . . . <0.4%, All Gains, Max
• Gain bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.3MHz
• Input voltage noise (0.1Hz to 10Hz). . . . . . . . . . . . . . 0.4µVP-P
• Operating temperature range. . . . . . . . . . . .-40°C to +125°C
Related Literature
• Data acquisition systems
• Low ohmic current sense
• “ISLRE-BDGSTKEV1Z DAQ on a Stick User’s Guide” AN1853
• “ISL28533-633EV2Z User’s Guide” AN1880
INA-
VA-
VA+
+
A1
-
RG
RG
20kΩ
20kΩ
-
A3
+
OUTA
INA+
G0
G1
-
A2
+
20kΩ
20kΩ
REF
9 GAIN
CONTROL
OUT
- IN-
A4+ IN+
FIGURE 1. ISL2853x SINGLE-ENDED OUTPUT
INA-
VA-
VA+
INA+
G0
+
A1
-
RG
20kΩ 20kΩ
-
A3
+
-
+
RG
A4
-
A2
+
20kΩ
20kΩ
9 GAIN
CONTROL
OUTA-
1MΩ
REF
1MΩ
OUTA+
G1
FIGURE 2. ISL2863x DIFFERENTIAL OUTPUT
September 24, 2013
FN8364.0
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 2013. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are tFhreeperoDpaetratyshoef tehtehirtrteps:p//ewctwivewo.dwantearssh. eet4u.com/
1 page  
ISL28533, ISL28534, ISL28535, ISL28633, ISL28634, ISL28635
G0 and G1 Programmable Gain Setting
G1
(NOTE)
G0
(NOTE)
ISL28533
ISL28633
ISL28534
ISL28634
ISL28535
ISL28635
00
1
1
1
0Z
2
2 100
01
4
10 120
Z0
5
50 150
ZZ
10
100 180
Z1
20
200 200
10
40
300 300
1Z
50
500 500
11
100
1000
1000
APPLICATIONS
MEDICAL
PIEZO-ELECTRIC
PRESSURE SENSOR
FLUID SENSOR
SHUNT SENSE
OPTICAL SENSORS
STRAIN GAUGE
THERMOCOUPLE
STRAIN GAUGE
NOTE: For valid logic “Z” state leave G0/G1 pins in high impedance state. Internal 100kΩ pull-up and pull-down resistors on these pins establishes logic
“Z”. See Application Section for more information.
Ordering Information
PART NUMBER
(Notes 1, 2, 3)
PART
MARKING
TEMP RANGE
(°C)
PACKAGE
(Pb-Free)
PKG.
DWG. #
ISL28533FVZ
28533 FVZ
-40 to +125
14 Ld TSSOP
M14.173
ISL28534FVZ
28534 FVZ
-40 to +125
14 Ld TSSOP
M14.173
ISL28535FVZ
Coming Soon
28535 FVZ
-40 to +125
14 Ld TSSOP
M14.173
ISL28633FVZ
28633 FVZ
-40 to +125
14 Ld TSSOP
M14.173
ISL28634FVZ
28634 FVZ
-40 to +125
14 Ld TSSOP
M14.173
ISL28635FVZ
Coming Soon
28635 FVZ
-40 to +125
14 Ld TSSOP
M14.173
ISL28533EV2Z
ISL28533 Evaluation Board
ISL28534EV2Z
ISL28534 Evaluation Board
ISL28535EV2Z
Coming Soon
ISL28535 Evaluation Board
ISL28633EV2Z
ISL28633 Evaluation Board
ISL28634EV2Z
ISL28634 Evaluation Board
ISL28635EV2Z
Coming Soon
ISL28635 Evaluation Board
NOTES:
1. Add “-T*” suffix for tape and reel. Please refer to TB347 for details on reel specifications.
2. 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.
3. For Moisture Sensitivity Level (MSL), please see device information page for ISL28533, ISL28534, ISL28535, ISL28633, ISL28634, ISL28635. For
more information on MSL please see tech brief TB363.
5 FN8364.0
September 24, 2013
Free Datasheet http://www.datasheet4u.com/
5 Page 
ISL28533, ISL28534, ISL28535, ISL28633, ISL28634, ISL28635
Operating Specifications V+ = 2.5V, V- = 0V, VCM = 1.25V, TA = +25°C, unless otherwise specified. Boldface limits apply over the
operating temperature range, -40°C to +125°C. (Continued)
PARAMETER
DESCRIPTION
CONDITIONS
MIN MAX
(Note 6) TYP (Note 6)
UNIT
VOL
Output Voltage Swing, LOW
RL = 10kΩ to VREF
- 5 15 mV
- - 20 mV
2.5V G0/G1 LOGIC INPUTS INSTRUMENTATION AMPLIFIER
VIH
VIL
VIH_Z/VIL_Z
VOC
Logic Input High Threshold
Logic Input Low Threshold
Hi-Z Logic Input Range
Open Circuit Logic Voltage
ZIN Logic Input Impedance
2.5V AC SPECIFICATIONS INSTRUMENTATION AMPLIFIER
eN Total Input Referred Voltage Noise
eNi Input Noise Voltage
Vs = (V+) - (V-)
Vs = (V+) - (V-)
Vs = (V+) - (V-)
Set by 2 internal 100kΩ Resistors;
VS = (V+) - (V-)
eN = √(eNi2 + (eNo/G)2 + (IN*RS)2)
f = 0.1Hz to 10Hz; G = 100
f = 1kHz; G = 100
0.8*(Vs)
-
-
- - 0.2*(Vs)
0.4*(Vs) - 0.6*(Vs)
0.45*VS
-
0.55*VS
- 50k -
V
V
V
V
kΩ
- 0.4 - µVP-P
- 17 - nV/√Hz
eNo Output Noise Voltage
f = 0.1Hz to 10Hz; G = 1
f = 1kHz; G = 1
- 1.8 - µVP-P
- 65 - nV/√Hz
IN
GBWP
Input Noise Current
Gain Bandwidth Product
f = 10Hz; RS = 5MΩ; G = 100
G ≥ 10
- 100 - fA/√Hz
- 2.3 -
MHz
G < 10
- 1.6 -
MHz
2.5V TRANSIENT RESPONSE INSTRUMENTATION AMPLIFIER
SR
tGPD
ts
trecover
Slew Rate
10% to 90%
Gain Select Prop Delay
Settling Time to 0.1%, 4VP-P Step
Output Overload Recovery Time,
Recovery to 90% of output saturation
VOUT = 2VP-P; G = 1
VOUT = 2VP-P; G = 100
All Gains
To 0.1%, 2VP-P Step
To 0.01%, 2VP-P Step
- 0.8 - V/µs
- 0.1 - V/µs
-1-
µs
- 20 -
µs
- 70 -
µs
- 1.5 -
µs
2.5V DC SPECIFICATIONS OPERATIONAL AMPLIFIER
AvOPEN
VOS
TCVOS
Open Loop Gain
Input Offset Voltage
Input Offset Voltage Temperature
Coefficient
TA = +25°C
TA = -40°C to +85°C
TA = -40°C to +125°C
TA = -40°C to +125°C
- 140 -
dB
-2.5 -0.2 2.5
µV
-3.475 - 3.475 µV
-4 - -4 µV
-15 -0.5 15 nV/°C
IB Input Bias Current
TA = +25°C
TA = -40°C to +85°C
TA = -40°C to +125°C
-300 ±15 300
-300 - 300
-550 - 550
pA
pA
pA
11 FN8364.0
September 24, 2013
Free Datasheet http://www.datasheet4u.com/
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet ISL28634.PDF ] | |
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