|
BU7291G-E Datasheet, PDF (6/27 Pages) Rohm – Low Voltage with High Speed CMOS Op-Amp integrates one independent output full swing Op-Amps and phase compensation capacitors on a single chip. | |||
|
◁ |
BU7291G,BU7291SG,BU7255HFV,BU7255SHFV,
BU7495HFV,BU7495SHFV,BU7481G,BU7481SG,BU7485G,BU7485SG,BU5281G,BU5281SG
Technical Note
âBU7485 family(Unless otherwise specified VDD=+3[V], VSS=0[V], Ta=25[â])
Parameter
Symbol
Temperature
Range
Limits
BU7485G, BU7485SG
Min. Typ. Max.
Input Offset Voltage (*14)
Vio
25â
ï¼
1
9.5
Input Offset Current (*14)
Iio
25â
ï¼
1
ï¼
Input Bias Current (*14)
Supply Current (*15)
High Level Output Voltage
Ib
25â
ï¼
1
25â
ï¼
IDD
Full range ï¼
1500
ï¼
VOH 25â VDD-0.1 ï¼
ï¼
2000
2400
ï¼
Unit
Condition
mV
ï¼
pA
ï¼
pA
ï¼
μA
RL=â All Op-Amps
AV=0[dB],VIN=0.8[V]
V RL=10[kâ¦]
Low Level Output Voltage
VOL 25â
ï¼
ï¼ VSS+0.1 V RL=10[kâ¦]
Large Signal Voltage Gain
AV
25â
70
105
ï¼
dB RL=10[kâ¦]
Input Common-mode
Voltage Range
Vicm 25â
0
ï¼
1.6
V VSS ~ VDD-1.4[V]
Common-mode Rejection Ratio CMRR 25â
45
60
ï¼
dB
ï¼
Power Supply Rejection Ratio PSRR 25â
60
80
ï¼
dB
ï¼
Output Source Current (*16)
IOH 25â
4
8
ï¼
mA VDD-0.4[V]
Output Sink Current (*16)
IOL
25â
7
12
ï¼
mA VSS + 0.4[V]
Slew Rate
SR
25â
ï¼
10
ï¼
V/μs CL=25[pF]
Gain Band width
FT
25â
ï¼
10
ï¼
MHz CL=25[pF], AV=40[dB]
Phase Margin
θ
25â
ï¼
50
ï¼
° CL=25[pF], AV=40[dB]
Total Harmonic Distortion
THD 25â
ï¼
0.03
ï¼
% VOUT=0.7[Vp-p], f=1[kHz]
(*14) Absolute value
(*15) Full range BU7485: Ta=-40[â]~+85[â] BU7485S: Ta=-40[â]~+105[â]
(*16) Under the high temperature environment, consider the power dissipation of IC when selecting the output current.
When the terminal short circuits are continuously output, the output current is reduced to climb to the temperature inside IC.
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
6/26
2010.12 - Rev.A
|
▷ |