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SM72501 Datasheet Preview

SM72501 Datasheet

Wide Supply Range Amplifier

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SM72501
www.ti.com
SNIS157C – JANUARY 2011 – REVISED APRIL 2013
SM72501 SolarMagic Precision, CMOS Input, RRIO, Wide Supply Range Amplifier
Check for Samples: SM72501
FEATURES
1
2 Renewable Energy Grade
Unless Otherwise noted, Typical values at
VS = 5V
• Input Offset Voltage ±200 µV (max)
• Input Bias Current ±200 fA
• Input Voltage Noise 9 nV/Hz
• CMRR 130 dB
• Open Loop Gain 130 dB
• Temperature Range 40°C to 125°C
• Unity Gain Bandwidth 2.5 MHz
• Supply Current (SM72501) 715 µA
• Supply Voltage Range 2.7V to 12V
• Rail-to-rail Input and Output
APPLICATIONS
• High Impedance Sensor Interface
• Battery Powered Instrumentation
• High Gain Amplifiers
• DAC Buffer
• Instrumentation Amplifier
• Active Filters
DESCRIPTION
The SM72501 is a low offset voltage, rail-to-rail input
and output precision amplifier with a CMOS input
stage and a wide supply voltage range. The
SM72501 is ideal for sensor interface and other
instrumentation applications.
The low offset voltage of less than ±200 µV along
with the low input bias current of less than ±1 pA
makes the SM72501 ideal for precision applications.
The SM72501 is built utilizing VIP50 technology,
which allows the combination of a CMOS input stage
and a 12V common mode and supply voltage range.
This makes the SM72501 a great choice in many
applications where conventional CMOS parts cannot
operate under the desired voltage conditions.
The SM72501 has a rail-to-rail input stage that
significantly reduces the CMRR glitch commonly
associated with rail-to-rail input amplifiers. This is
achieved by trimming both sides of the complimentary
input stage, thereby reducing the difference between
the NMOS and PMOS offsets. The output of the
SM72501 swings within 40 mV of either rail to
maximize the signal dynamic range in applications
requiring low supply voltage.
The SM72501 is offered in the space saving 5-Pin
SOT-23. This small package is an ideal solution for
area constrained PC boards and portable electronics.
Typical Application
R
V1
R
V+
-
A1
+
V-
R
R
V2
RS
V+
-
A2
+
V-
I = (V2 ± V1)
RS
Z LOAD
Figure 1. Precision Current Source
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
All trademarks are the property of their respective owners.
2
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2011–2013, Texas Instruments Incorporated




etcTI

SM72501 Datasheet Preview

SM72501 Datasheet

Wide Supply Range Amplifier

No Preview Available !

SM72501
SNIS157C – JANUARY 2011 – REVISED APRIL 2013
www.ti.com
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam
during storage or handling to prevent electrostatic damage to the MOS gates.
Absolute Maximum Ratings(1)(2)
ESD Tolerance(3)
Charge-Device Model
VIN Differential
Supply Voltage (VS = V+ – V)
Voltage at Input/Output Pins
Input Current
Storage Temperature Range
Junction Temperature(4)
Soldering Information
Human Body Model
Machine Model
Infrared or Convection (20 sec)
Wave Soldering Lead Temp. (10 sec)
2000V
200V
1000V
±300 mV
13.2V
V++ 0.3V, V0.3V
10 mA
65°C to +150°C
+150°C
235°C
260°C
(1) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for
which the device is intended to be functional. For specifications and the test conditions, see the Electrical Characteristics Tables.
(2) If Military/Aerospace specified devices are required, please contact the Texas Instruments Sales Office/ Distributors for availability and
specifications.
(3) Human Body Model, applicable std. MIL-STD-883, Method 3015.7. Machine Model, applicable std. JESD22-A115-A (ESD MM std. of
JEDEC) Field-Induced Charge-Device Model, applicable std. JESD22-C101-C (ESD FICDM std. of JEDEC).
(4) The maximum power dissipation is a function of TJ(MAX), θJA. The maximum allowable power dissipation at any ambient temperature is
PD = (TJ(MAX) – TA)/ θJA. All numbers apply for packages soldered directly onto a PC Board.
Operating Ratings(1)
Temperature Range(2)
Supply Voltage (VS = V+ – V)
Package Thermal Resistance (θJA(2))
5-Pin SOT-23
40°C to +125°C
2.7V to 12V
265°C/W
(1) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for
which the device is intended to be functional. For specifications and the test conditions, see the Electrical Characteristics Tables.
(2) The maximum power dissipation is a function of TJ(MAX), θJA. The maximum allowable power dissipation at any ambient temperature is
PD = (TJ(MAX) – TA)/ θJA. All numbers apply for packages soldered directly onto a PC Board.
2
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Product Folder Links: SM72501
Copyright © 2011–2013, Texas Instruments Incorporated



Part Number SM72501
Description Wide Supply Range Amplifier
Maker etcTI
Total Page 3 Pages
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