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BA2904SFV Schematic ( PDF Datasheet ) - ROHM Semiconductor

Teilenummer BA2904SFV
Beschreibung Ground Sense Operational Amplifiers
Hersteller ROHM Semiconductor
Logo ROHM Semiconductor Logo 




Gesamt 30 Seiten
BA2904SFV Datasheet, Funktion
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






BA2904SFV Datasheet, Funktion
BA10358xx, BA10324Axx, BA2904xxx, BA2904Sxxx, BA2904Wxx
BA2902xx, BA2902Sxx
Datasheet
Electrical Characteristics
BA10358 (Unless otherwise specified VCC=+5V, VEE=0V, TA=25°C)
Parameter
Limits
Symbol
Min. Typ. Max.
Input Offset Voltage (Note 18)
VIO - 2 7
Unit Condition
mV OUT=1.4V
Input Offset Current (Note 18)
IIO - 5 50 nA OUT=1.4V
Input Bias Current (Note 19)
IB - 45 250 nA OUT=1.4V
Supply Current
ICC - 0.5 1.2 mA RL=, All Op-Amps
Maximum Output Voltage(High)
VOH 3.5 -
- V RL=2k
Maximum Output Voltage(Low)
VOL - - 250 mV RL=∞, All Op-Amps
Large Signal Voltage Gain
AV
25 100
- V/mV RL2k, VCC=15V
OUT=1.4 to 11.4V
88 100 - dB
Input Common-mode Voltage Range VICM
0
-
VCC-1.5 V
(VCC-VEE)=5V
OUT=VEE+1.4V
Common-mode Rejection Ratio
CMRR 65 80
- dB OUT=1.4V
Power Supply Rejection Ratio
PSRR 65 100 - dB VCC=5 to 30V
Output Source Current
Output Sink Current
ISOURCE
10
20
ISINK
10 20
VIN+=1V, VIN-=0V
- mA OUT=0V,
1CH is short circuit
VIN+=0V, VIN-=1V
- mA OUT=5V,
1CH is short circuit
Channel Separation
CS - 120 - dB f=1kHz, input referred
Slew Rate
SR
-
0.2
-
V/μs
VCC=15V, Av=0dB
RL=2k, CL=100pF
Gain Band Width
GBW
-
0.5
-
MHz
VCC=30V, RL=2k
CL=100pF
(Note 18) Absolute value
(Note 19) Current direction: Since first input stage is composed with PNP transistor, input bias current flows out of IC.
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
6/52
TSZ02201-0RAR0G200130-1-2
23.Jan.2014 Rev.003

6 Page









BA2904SFV pdf, datenblatt
BA10358xx, BA10324Axx, BA2904xxx, BA2904Sxxx, BA2904Wxx
BA2902xx, BA2902Sxx
Datasheet
(11) Power Supply Rejection Ratio (PSRR)
Indicates the ratio of fluctuation of input offset voltage when supply voltage is changed.
It is normally the fluctuation of DC.
PSRR= (Change of power supply voltage)/(Input offset fluctuation)
(12) Output Source Current/ Output Sink Current (Isource / Isink)
The maximum current that can be output from the IC under specific output conditions. The output source current
indicates the current flowing out from the IC, and the output sink current indicates the current flowing into the IC.
indicates the current flowing out from the IC, and the output sink current indicates the current flowing into the IC.
(13) Channel Separation (CS)
Indicates the fluctuation in the output voltage of the driven channel with reference to the change of output voltage of
the channel which is not driven.
(14) Slew Rate (SR)
Indicates the ratio of the change in output voltage with time when a step input signal is applied.
(15) Gain Bandwidth (GBW)
The product of the open-loop voltage gain and the frequency at which the voltage gain decreases 6dB/octave.
(16) Input Referred Noise Voltage (VN)
Indicates a noise voltage generated inside the operational amplifier equivalent by ideal voltage source connected in
series with input terminal.
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ2211115001
12/52
TSZ02201-0RAR0G200130-1-2
23.Jan.2014 Rev.003

12 Page





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