amplifiers-comparators

BA10324

Full part number: BA10324AF

Key datasheet specifications and the closest alternatives, ranked by parametric similarity and grounded in the manufacturer datasheet.

01 — Overview

This ROHM datasheet covers ground-sense operational amplifiers, including dual and quad configurations like the BA10358, BA2904, and BA2902 series. It details applications for current sensing, buffering, and active filters across various packages such as SOP8 and MSOP8. Key specifications include a wide single-supply voltage range of 3V to 36V and operating temperatures from -40°C to +125°C. The document highlights low input offset voltages ranging from 2mV to 7mV depending on the specific part variant, along with typical input bias currents around 20nA. It also provides pin configurations and ordering information for different reliability grades and temperature ranges.

02 — Key specifications

Datasheet parameters

Parameter	Min	Typ	Max	Conditions
quiescent current	—	600 µA	2 mA	RL = ∞, All Op-Amps
output current	20 mA	35 mA	—	VIN+ = 1V, VIN- = 0VOUT = 0V, 1CH is short circuit
supply voltage range	3 V	—	36 V
input offset voltage drift	—	7 µV/°C	—	OUT = 1.4V
input offset voltage	—	2 mV	7 mV	OUT = 1.4V
gain bandwidth	—	500 kHz	—	VCC = 30V, RL = 2kΩCL = 100pF
cmrr	65 dB	75 dB	—	OUT = 1.4V
operating temperature	-40 °C	—	85 °C
input offset current	—	5 nA	50 nA	OUT = 1.4V
input bias current	—	20 nA	250 nA	OUT = 1.4V
slew rate	—	200 kV/s	—	VCC = 15V, Av = 0dBRL = 2kΩ, CL = 100pF
psrr	65 dB	100 dB	—	VCC = 5 to 30V
channel count	—	4	—

03 — Alternatives

Closest matches to BA10324

LM124 2.6× higher gain bandwidth, 2.5× lower input offset current, 2.0× higher slew rate

LM158 2.5× lower input offset current, 1.8× lower output current, 1.5× higher input offset voltage

TL062ACD 17.5× higher slew rate, 3.0× lower quiescent current, 2.0× higher gain bandwidth

LM741 4.0× higher input bias current, 4.0× higher input offset current, 2.8× higher quiescent current

LM2902B 10.0× lower input offset current, 2.5× higher slew rate, 2.4× higher gain bandwidth

NE5532 20.0× higher gain bandwidth, 13.3× higher quiescent current, 10.0× higher input bias current

TL062 17.5× higher slew rate, 3.0× lower quiescent current, 2.0× higher gain bandwidth

MC33078 15.0× higher input bias current, 13.3× lower input offset voltage, 6.8× higher quiescent current

04 — FAQ

Frequently asked questions

What is the channel count of the BA10324AF?

The channel count is 4.

What is the CMRR when OUT = 1.4V?

The CMRR is 75 dB when OUT = 1.4V.

What is the gain bandwidth of the BA10324AF?

The gain bandwidth is 500 kHz at VCC = 30V, RL = 2kΩ, and CL = 100pF.

What is the input bias current when OUT = 1.4V?

The input bias current is 20 nA when OUT = 1.4V.

What is the input offset current when OUT = 1.4V?

The input offset current is 5 nA when OUT = 1.4V.

What is the input offset voltage when OUT = 1.4V?

The input offset voltage is 2 mV when OUT = 1.4V.

What is the input offset voltage drift when OUT = 1.4V?

The input offset voltage drift is 7 µV/°C when OUT = 1.4V.

What is the maximum operating temperature for the BA10324AF?

The operating temperature is 85 °C.

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