BA2902SKN-E2 View Datasheet(PDF) - ROHM Semiconductor

Part Name

Description

Manufacturer

BA2902SKN-E2

Operational Amplifiers / Comparators Ground Sense Operational Amplifiers

ROHM Semiconductor 

BA10358F/FV, BA10324AF/FV, BA2904SF/FV/FVM, BA2904F/FV/FVM

BA2902SF/FV/KN, BA2902F/FV/KN, BA3404F/FVM

Technical Note

○BA2902 family (Unless otherwise specified VCC=+5[V], VEE=0[V])

Limits

Parameter

Symbol

Temperature

Range

BA2902S F/FV/KN

BA2902F/FV/KN

Min. Typ. Max.

Input Offset Voltage ( *10) (*11)

Vio

25℃

Full range

-

-

2

7

-

10

Input Offset Voltage Drift

△Vio/△T

-

-

±7

-

Input Offset Current (*10) (*11)

Iio

25℃

-

Full range -

2

50

-

200

Unit

Condition

mV

VOUT=1.4[V]

VCC=5～30[V],VOUT=1.4[V]

μV/℃ VOUT=1.4[V]

nA VOUT=1.4[V]

Input Offset Current Drift

△lio/△T

-

-

±10

- pA/℃ VOUT=1.4[V]

Input Bias Current (*10) (*11)

Supply Current (*10)

High Level Output Voltage (*11)

Low Level Output Voltage (*11)

Ib

25℃

-

Full range -

20

-

250

250

nA VOUT=1.4[V]

ICC

25℃

Full range

-

-

0.7

-

2

3

ｍA RL=∞ All Op-Amps

VOH

25℃

3.5

Full range 27

-

28

-

-

V

RL=2[kΩ]

VCC=30[V],RL=10[kΩ]

VOL Full range -

5

20 mV RL=∞All Op-Amps

Large Signal Voltage Gain

AV

Input Common-mode Voltage Range Vicm

25℃

25℃

25 100

-

V/mV

RL≧2[kΩ],VCC=15[V]

VOUT=1.4～11.4[V]

0

-

VCC-1.

5

V

(VCC-VEE)=5[V],

VOUT=VEE+1.4[V]

Common-mode Rejection Ratio

CMRR 25℃

50 80

-

dB VOUT=1.4[V]

Power Supply Rejection Ratio

PSRR 25℃

65 100

-

dB VCC=5~30[V]

Output SourceCurrent (*11) (*12)

Output Sink Current (*11) (*12)

25℃

20

30

IOH Full range 10

-

IOL

25℃

10

Full range 2

20

-

Isink

25℃

12 40

-

VIN+=1[V],VIN-=0[V]

-

mA VOUT=0[V] 1CH is short

circuit

-

-

mA

VIN+=0[V],VIN-=1[V]

VOUT=5[V] 1CH is short circuit

-

μA

VIN+=0[V],VIN-=1[V]

VOUT=200[mV]

Channel Separation

CS

25℃

-

120

-

dB f=1[kHz], input referred

Slew rate

Maximum frequency

SR

25℃

-

0.2

-

V/μs

VCC=15[V],AV=0[dB],

RL=2[kΩ],CL=100[pF]

ft

25℃

-

0.5

-

MHz

VCC=30[V],RL=2[kΩ],

CL=100[pF]

Input referred noise voltage

Vn

25℃

-

40

-

VCC=15[V],VEE=-15[V],

nV/ Hz RS=100[Ω],Vi=0[V],f=1[kHz]

(*10) Absolute value

(*11) BA2902S family:Full range -40～+105℃ ,BA2902 family:Full range -40～+125℃

(*12) Under high temperatures, please consider the power dissipation when selecting the output current.

When the output terminal is continuously shorted the output current reduces the internal temperature by flushing.

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© 2011 ROHM Co., Ltd. All rights reserved.

5/25

2011.08 - Rev.B

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