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PDF BA2107G Data sheet ( Hoja de datos )
| Número de pieza | BA2107G | |
| Descripción | Low Noise Operational Amplifiers | |
| Fabricantes | ROHM Semiconductor | |
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Datasheet
Operational Amplifiers Series
Low Noise Operational Amplifiers
BA2107G, BA2115xxx
●General Description
BA2107/BA2115 are single and dual operational
amplifier with high gain and high slew rate(4v/µs).
BA2107/BA2115 has good performance of input
referred noise voltage(7 nV/ Hz ) and total harmonic
distortion(0.008%). These are suitable for Audio
applications.
●Features
High voltage gain, low noise, low distortion
Low input referred noise voltage
Low distortion
Wide operating supply voltage
Internal ESD protection circuit
●Application
Audio application
Potable equipment
Consumer electronics
●Packages
SSOP5
SOP8
SOP-J8
MSOP8
W(Typ.)xD(Typ.) xH(Max.)
2.90mm x 2.80mm x 1.25mm
5.00mm x 6.20mm x 1.71mm
4.90mm x 6.00mm x 1.65mm
2.90mm x 4.00mm x 0.90mm
●Key Specification
Wide Operating Supply Voltage
(split supply):
Operating Temperature Range:
High Slew Rate:
Total Harmonic Distortion :
Input Referred Noise Voltage :
±1.0V to ±7.0V
-40°C to +85°C
4V/µs(Typ.)
0.008%(Typ.)
7 nV/ Hz (Typ.)
●Block Diagrams
VCC
－IN
＋IN
VOUT
VEE
Figure 1. Simplified schematic
○Product structure：Silicon monolithic integrated circuit ○This product is not designed protection against radioactive rays.
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111･14･00
1/26
TSZ02201-0RAR1G200090-1-2
31.OCT.2012 Rev.001
http://www.Datasheet4U.com
1 page  
BA2107G, BA2115xxx
Datasheet
Description of electrical characteristics
Described here are the terms of electric characteristics 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 manufacture’s document or general document.
1. Absolute maximum ratings
Absolute maximum rating item indicates 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.
1.1 Power 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.
1.2 Differential input voltage (Vid)
Indicates the maximum voltage that can be applied between non-inverting terminal and inverting terminal without
deterioration and destruction of characteristics of IC.
1.3 Input common-mode voltage range (Vicm)
Indicates the maximum voltage that can be applied to non-inverting terminal and inverting terminal without
deterioration or destruction of characteristics. Input common-mode voltage range of the maximum ratings not assure
normal operation of IC. When normal operation of IC is desired, the input common-mode voltage of characteristics
item must be followed.
1.4 Power dissipation (Pd)
Indicates the power that can be consumed by specified mounted board at the ambient temperature 25℃(normal temperature).
As for package product, Pd is determined by the temperature that can be permitted by IC chip in the package
(maximum junction temperature)and thermal resistance of the package.
2. Electrical characteristics item
2.1 Input offset voltage (Vio)
Indicates the voltage difference between non-inverting terminal and inverting terminal. It can be translated into the
input voltage difference required for setting the output voltage at 0 V.
2.2 Input offset current (Iio)
Indicates the difference of input bias current between non-inverting terminal and inverting terminal.
2.3 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 current at
non-inverting terminal and input bias current at inverting terminal.
2.4 Input common-mode voltage range(Vicm)
Indicates the input voltage range where IC operates normally.
2.5 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 fluctuation) / (Input offset fluctuation)
2.6 Circuit current (ICC)
Indicates the IC current that flows under specified conditions and no-load steady status.
2.7 Maximum Output Voltage(High) / Maximum Output Voltage(Low) (VOH/VOL)
Indicates the voltage range that can be output by the IC under specified load condition. It is typically divided into
high-level output voltage and low-level output voltage. High-level output voltage indicates the upper limit of output
voltage. Low-level output voltage indicates the lower limit.
2.8 Output source current/ output sink current (Isource/Isink)
The maximum current that can be output under specific output conditions, it is divided into output source current and
output sink current. The output source current indicates the current flowing out of the IC, and the output sink current
the current flowing into the IC.
2.9 Common-mode rejection ratio (CMRR)
Indicates the ratio of fluctuation of input offset voltage when in-phase input voltage is changed. It is normally the
fluctuation of DC.
CMRR = (Change of Input common-mode voltage) / (Input offset fluctuation)
2.10 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)
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111･15･00
5/26
TSZ02201-0RAR1G200090-1-2
31.OCT.2012 Rev.001
http://www.Datasheet4U.com
5 Page 
BA2107G, BA2115xxx
○BA2107
150
125
100
75
50
25
0
-50
-25 0 25 50 75
AMBIENT TEMPERATURE [°C]
Figure 18.
Common Mode Rejection Ratio
- Ambient Temperature
(VCC/VEE=+2.5V/-2.5V)
100
Datasheet
150
125
100
75
50
25
0
-50
-25 0 25 50 75
AMBIENT TEMPERATURE [°C]
Figure 19.
Power Supply Rejection Ratio
- Ambient Temperature
(VCC/VEE=+2.5V/-2.5V)
100
7
6
5
-40℃
25℃
4
3 85℃
2
1
0
±1
±2 ±3 ±4 ±5 ±6 ±7
SUPPLY VOLTAGE[V]
Figure 20.
Slew Rate L-H - Supply Voltage
±8
7.0
6.0
5.0
-40℃
4.0
25℃
3.0 85℃
2.0
1.0
0.0
±1
±2 ±3 ±4 ±5 ±6 ±7
SUPPLY VOLTAGE [V]
Figure 21.
Slew Rate H-L - Supply Voltage
±8
(*)The above data is measurement value of typical sample, it is not guaranteed.
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111･15･00
11/26
TSZ02201-0RAR1G200090-1-2
31.OCT.2012 Rev.001
http://www.Datasheet4U.com
11 Page | ||
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