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BA4558

Rohm
Part Number BA4558
Manufacturer Rohm
Description Dual operational amplifier
Published Apr 1, 2005
Detailed Description Standard ICs Dual operational amplifier BA4558 / BA4558F / BA4558N The BA4558, BA4558F, and BA4558N are monolithic ICs ...
Datasheet PDF File BA4558 PDF File

BA4558
BA4558

Overview
Standard ICs Dual operational amplifier BA4558 / BA4558F / BA4558N The BA4558, BA4558F, and BA4558N are monolithic ICs with two operational amplifiers featuring low power consumption and internal phase compensation mounted on a single silicon chip.
These products offer high speed, a wide band width, and low noise.
Outstanding thermal characteristics and voltage gain band width make these ICs ideal for use in a wide variety of electronic circuits.
The BA4558 comes in an 8-pin DIP package and is compatible with the 4558 operational amplifier.
The BA4558F comes in an 8-pin SOP package, and the BA4558N in an 8-pin SIP package.
Applications • Active filters Audio amplifiers VCOs Other electronic circuits Features • 1) Low power dissipation of approximately 50mW (typ.
).
2) Built-in output short-circuit protection circuit.
3) Internal phase compensation.
4) No latch-up.
5) Wide range of common mode and differential voltage.
6) High gain and low noise.
•Block diagram BA4558 / BA4558F BA4558N OUT1 1 8 VCC – IN1 2 – 1ch 7 OUT2 1ch + – + 2ch – + 2ch + IN1 3 + – 6 – IN2 1 2 3 4 5 6 7 OUT2 8 VCC – IN1 OUT1 + IN1 VEE 4 5 + IN2 + IN2 – IN2 VEE 1 Standard ICs BA4558 / BA4558F / BA4558N •Internal circuit configuration VCC R1 Q7 Q5 Q13 Q11 Q8 R6 Q9 R5 + IN Q12 Q6 Q3 Q4 Q10 Q14 OUT R7 R8 Q15 – IN Q1 Q2 R2 VEE R3 R9 R4 D •Absolute maximum ratings (Ta = 25°C) Parameter Power supply voltage Power dissipation Differential input voltage Common-mode input voltage Operating temperature Storage temperature Symbol VCC Pd VID VI Topr Tstg Limits BA4558 ± 18 800∗ ± 30 ± 15 – 40 ~ + 85 BA4558F ± 18 550∗ ± 30 ± 15 – 40 ~ + 85 BA4558N ± 18 900∗ ± 30 ± 15 – 40 ~ + 85 Unit V mW V V °C °C – 55 ~ + 125 – 55 ~ + 125 – 55 ~ + 125 ∗ Refer to Pd characteristics diagram.
The values for the BA4558F are those when it is mounted on a glass epoxy board ( 50mm × 50mm × 1.
6mm) .
2 Standard ICs BA4558 / BA4558F / BA4558N CC •Electrical characteristics (unless otherw...


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