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PDF BA2904F Data sheet ( Hoja de datos )

Número de pieza BA2904F
Descripción Ground Sense Operational Amplifiers
Fabricantes ROHM Semiconductor 
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Datasheet
Operational Amplifiers
Ground Sense Operational Amplifiers
BA10358xx, BA10324Axx, BA2904xxx, BA2904Sxxx, BA2904Wxx
BA2902xx, BA2902Sxx
General Description
General purpose BA10358 / BA10324A and high
reliability BA2904 / BA2902 integrate two or four
independent Op-Amps on a single chip and have some
features of high-gain, low power consumption, and
wide operating voltage range of 3V to 36V (single
power supply ).
BA2904W have low input offset voltage(2mV max.).
Features
Operable with a single power supply
Wide operating supply voltage range
Input and output are operable GND sense
Low supply current
High open loop voltage gain
Wide temperature range
Application
Current sense application
Buffer application amplifier
Active filter
Consumer electronics
Key Specification
Wide Operating Supply Voltage (single supply):
BA10358/BA10324A
+3.0V to +32.0V
BA2904/BA2902
+3.0V to +36.0V
Wide Temperature Range:
BA10358/ BA10324A
-40°C~+85°C
BA2904S/ BA2902S
-40°C~+105°C
BA2904/ BA2902
-40°C~+125°C
BA2904W
-40°C~+125°C
Input Offset Voltage:
BA10358/ BA10324A
7mV (Max)
BA2904S/ BA2902S
7mV (Max)
BA2904/ BA2902
7mV (Max)
BA2904W
2mV (Max)
Low Input Bias Current:
BA10358
45nA (Typ)
BA10324A
20nA (Typ)
BA2904S/ BA2902S
20nA (Typ)
BA2904/ BA2902
20nA (Typ)
BA2904W
20nA (Typ)
Packages
SOP8
SOP-J8
SSOP-B8
MSOP8
SOP14
SOP-J14
SSOP-B14
W(Typ) x D(Typ) x H(Max)
5.00mm x 6.20mm x 1.71mm
4.90mm x 6.00mm x 1.65mm
3.00mm x 6.40mm x 1.35mm
2.90mm x 4.00mm x 0.90mm
8.70mm x 6.20mm x 1.71mm
8.65mm x 6.00mm x 1.65mm
5.00mm x 6.40mm x 1.35mm
Selection Guide
Normal
High-reliability
Dual
Quad
Dual
Quad
Output Current
Source/Sink
20mA/20mA
35mA/20mA
30mA/20mA
30mA/20mA
Input Offset
Voltage
7mV
7mV
7mV
2mV
7mV
Maximum operating temperature
+85°C
+105°C
+125°C
BA10358F
BA10358FV
BA10358FJ
BA10324AF
BA10324AFV
BA10324AFJ
BA2904SF
BA2904SFV
BA2904SFVM
BA2902SF
BA2902SFV
BA2904F
BA2904FV
BA2904FVM
BA2904WF
BA2904WFV
BA2902F
BA2902FV
Product structureSilicon monolithic integrated circuit This product is not designed protection against radioactive rays.
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211114001
1/52
TSZ02201-0RAR0G200130-1-2
23.Jan.2014 Rev.003

1 page




BA2904F pdf
BA10358xx, BA10324Axx, BA2904xxx, BA2904Sxxx, BA2904Wxx
BA2902xx, BA2902Sxx
Datasheet
Absolute Maximum Ratings (TA=25°C)
BA2904, BA2902
Parameter
Symbol
BA2904S
BA2902S
Ratings
BA2904, BA2904W
BA2902
Unit
Supply Voltage
Power dissipation
Differential Input Voltage(Note 16)
VCC-VEE
SOP8
SSOP-B8
PD MSOP8
SOP14
SSOP-B14
VID
+36
775(Note 10,15)
625(Note 11,15)
600(Note 12,15)
560(Note 13,15)
870(Note 14,15)
+36
V
mW
V
Input Common-mode Voltage Range
Input Current(Note 17)
VICM
II
(VEE-0.3) to (VEE+36)
-10
V
mA
Wide Operating Supply Voltage
Vopr
+3.0 to +36.0
V
Operating Temperature Range
Topr
-40 to +105
-40 to +125
°C
Storage Temperature Range
Tstg
-55 to +150
°C
Maximum Junction Temperature
TJmax
+150
°C
(Note 10) To use at temperature above TA=25°C reduce 6.2mW.
(Note 11) To use at temperature above TA=25°C reduce 5.0mW.
(Note 12) To use at temperature above TA=25°C reduce 4.8mW.
(Note 13) To use at temperature above TA=25°C reduce 4.5mW.
(Note 14) To use at temperature above TA=25°C reduce 7.0mW.
(Note 15) Mounted on a FR4 glass epoxy PCB 70mm×70mm×1.6mm (Copper foil area less than 3%).
(Note 16) The voltage difference between inverting input and non-inverting input is the differential input voltage.
Then input terminal voltage is set to more than VEE.
(Note 17) An excessive input current will flow when input voltages of less than VEE-0.6V are applied.
The input current can be set to less than the rated current by adding a limiting resistor.
Caution: Operating the IC over the absolute maximum ratings may damage the IC. The damage can either be a short circuit between pins or an open circuit
between pins and the internal circuitry. Therefore, it is important to consider circuit protection measures, such as adding a fuse, in case the IC is operated
over the absolute maximum ratings.
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
5/52
TSZ02201-0RAR0G200130-1-2
23.Jan.2014 Rev.003

5 Page





BA2904F arduino
BA10358xx, BA10324Axx, BA2904xxx, BA2904Sxxx, BA2904Wxx
BA2902xx, BA2902Sxx
Datasheet
Description of Electrical Characteristics
Described below are descriptions of the relevant electrical terms used in this datasheet. Items and symbols used are also
shown. Note that item name and symbol and their meaning may differ from those on another manufacturer’s document or
general document.
1. Absolute maximum ratings
Absolute maximum rating items indicate the condition which must not be exceeded. Application of voltage in excess of absolute
maximum rating or use out of absolute maximum rated temperature environment may cause deterioration of characteristics.
(1) Supply Voltage (VCC/VEE)
Indicates the maximum voltage that can be applied between the positive power supply terminal and negative power
supply terminal without deterioration or destruction of characteristics of internal circuit.
(2) Differential Input Voltage (VID)
Indicates the maximum voltage that can be applied between non-inverting and inverting terminals without damaging
the IC.
(3) Input Common-mode Voltage Range (VICM)
Indicates the maximum voltage that can be applied to the non-inverting and inverting terminals without deterioration
or destruction of electrical characteristics. Input common-mode voltage range of the maximum ratings does not assure
normal operation of IC. For normal operation, use the IC within the input common-mode voltage range characteristics.
(4) Power dissipation (PD)
Indicates the power that can be consumed by the IC when mounted on a specific board at the ambient temperature 25
(normal temperature). As for package product, Pd is determined by the temperature that can be permitted by the IC in
the package (maximum junction temperature) and the thermal resistance of the package.
2. Electrical characteristics
(1) Input Offset Voltage (VIO)
Indicates the voltage difference between non-inverting terminal and inverting terminals. It can be translated into the
input voltage difference required for setting the output voltage at 0 V.
(2) Input Offset Voltage drift (VIO /T)
Denotes the ratio of the input offset voltage fluctuation to the ambient temperature fluctuation.
(3) Input Offset Current (IIO)
Indicates the difference of input bias current between the non-inverting and inverting terminals.
(4) Input Offset Current Drift (Iio/T)
Signifies the ratio of the input offset current fluctuation to the ambient temperature fluctuation.
(4) Input Bias Current (IB)
Indicates the current that flows into or out of the input terminal. It is defined by the average of input bias currents at
the non-inverting and inverting terminals.
(5) Supply Current (ICC)
Indicates the current that flows within the IC under specified no-load conditions.
(7) Maximum Output Voltage(High) / Maximum Output Voltage(Low) (VOH/VOL)
Indicates the voltage range of the output under specified load condition. It is typically divided into maximum output
voltage High and low. Maximum output voltage high indicates the upper limit of output voltage. Maximum output
voltage low indicates the lower limit.
(8) Large Signal Voltage Gain (Av)
Indicates the amplifying rate (gain) of output voltage against the voltage difference between non-inverting terminal
and inverting terminal. It is normally the amplifying rate (gain) with reference to DC voltage.
Av = (Output voltage) / (Differential Input voltage)
(9) Input Common-mode Voltage Range (VICM)
Indicates the input voltage range where IC normally operates.
(10) Common-mode Rejection Ratio (CMRR)
Indicates the ratio of fluctuation of input offset voltage when the input common mode voltage is changed. It is
normally the fluctuation of DC.
CMRR = (Change of Input common-mode voltage)/(Input offset fluctuation)
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
11/52
TSZ02201-0RAR0G200130-1-2
23.Jan.2014 Rev.003

11 Page







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