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PDF BA8522RFVM Data sheet ( Hoja de datos )
| Número de pieza | BA8522RFVM | |
| Descripción | Low Noise Operational Amplifiers | |
| Fabricantes | ROHM Semiconductor | |
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Datasheet
Operational Amplifiers
Low Noise Operational Amplifiers
BA8522Rxxx
General Description
BA8522Rxxx are low noise operational amplifiers of
high voltage gain. It excels especially in input referred
noise voltage (9 nV/ Hz ), total harmonic distortion
(0.002%) and operating voltage range (±2V to ±16V)
and it is the most suitable operational amplifier with
audio equipment.
Features
High Voltage Gain
Low Input Referred Noise Voltage
Low Total Harmonic Distortion
Low Input Offset Voltage
Wide Operating Supply Voltage
Wide Operating Temperature Range
Key Specifications
Operating Supply Voltage (split supply):
Temperature Range:
Input Offset Voltage:
Slew Rate:
Total Harmonic Distortion:
±2V to ±16V
-40°C to +105°C
±1.5mV(Max)
3V/µs(Typ)
0.002%(Typ)
Input Referred Noise Voltage:
9 nV/ Hz (Typ)
Packages
SOP8
SSOP-B8
MSOP8
W(Typ) x D(Typ) x H(Max)
5.00mm x 6.20mm x 1.71mm
3.00mm x 6.40mm x 1.35mm
2.90mm x 4.00mm x 0.90mm
Application
Audio Application
Consumer Equipment
Active Filter
Simplified Schematic
VCC
-IN
OUT
+IN
VEE
Figure 1. Simplified schematic (1 channel only)
〇Product structure : Silicon monolithic integrated circuit 〇This product has no designed protection against radioactive rays
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111 • 14 • 001
1/22
TSZ02201-0RAR1G200040-1-2
13.Sep.2013 Rev.001
1 page  
BA8522Rxxx
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 VCC terminal and VEE 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°C
(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 item
(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 (ΔVIO/ΔT)
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 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.
(6) Output Saturation Voltage (VOM)
Signifies the voltage range that can be output under specific output conditions.
(7) 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)
(8) Input Common-mode Voltage Range (VICM)
Indicates the input voltage range where IC normally operates.
(9) 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)
(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)
(11) 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.
(12) Slew Rate (SR)
Indicates the ratio of the change in output voltage with time when a step input signal is applied.
(13) Gain Bandwidth (GBW)
The product of the open-loop voltage gain and the frequency at which the voltage gain decreases 6dB/octave.
(14) 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.
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© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111･15･00
5/22
TSZ02201-0RAR1G200040-1-2
13.Sep.2013 Rev.001
5 Page 
BA8522Rxxx
Typical Performance Curves - continued
○ BA8522Rxxx
150
5
Datasheet
125
100
75
50
25
0
-50 -25 0 25 50 75 100 125
Ambient Temperature [°C]
Figure 18.
Power Supply Rejection Ratio vs Ambient Temperature
(VCC/VEE=+2V/-2V to +15V/-15V)
4
3
2
1
0
±0 ±2 ±4 ±6 ±8 ±10 ±12 ±14 ±16
Supply Voltage [V]
Figure 19.
Slew Rate vs Supply Voltage
(CL=100pF, RL=2kΩ, TA=25°C)
80 1
60 0.1
20kHz
1kHz
40 0.01
20
0.001
20Hz
0
11
1100 FFrreeqquu1e1e0n0n0c2cyy[[HHzz]] 1100030
0.0001
11000400
0.1
1
Output Voltage [Vrms]
10
Figure 20.
Equivalent Input Noise Voltage vs Frequency
(VCC/VEE=+15V/-15V, RS=100Ω, TA=25°C)
Figure 21.
Total Harmonic Distortion vs Output Voltage
(VCC/VEE=+15V/-15V, Av=20dB
RL=2kΩ, 80kHz-LPF, TA=25°C)
(*) The above data is measurement value of typical sample, it is not guaranteed.
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111･15･00
11/22
TSZ02201-0RAR1G200040-1-2
13.Sep.2013 Rev.001
11 Page | ||
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