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BA4558 Dataheets PDF



Part Number BA4558
Manufacturers Rohm
Logo Rohm
Description Dual operational amplifier
Datasheet BA4558 DatasheetBA4558 Datasheet (PDF)

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 .

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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 otherwise noted, Ta = 25°C, V Parameter Input offset voltage Input offset current Input bias current High-amplitude voltage gain Common-mode input voltage Maximum output voltage Minimum output voltage Common-mode rejection ratio Power supply voltage rejection ratio Slew rate Channel separation Symbol VIO IIO IB AV VICM VOH VOL CMRR PSRR S.R. CS Min. — — — 86 ± 12 ± 12 ± 10 70 — — — Typ. 0.5 5 60 100 ± 14 ± 14 ± 13 90 30 1.0 105 = + 15V, VEE = – 15V) Unit mV nA nA dB V V V dB µV / V V / µs dB RL м 10kΩ RL м 2kΩ RS Ϲ 10kΩ RS Ϲ 10kΩ AV = 1, RL м 2kΩ f = 1kHz RL м 2kΩ, VO = ± 10V RS Ϲ 10kΩ Conditions Max. 6.0 200 500 — — — — — 150 — — •Electrical characteristic curves 1200 QUIESCENT CURRENT: IQ (mA) 1000 BA4558N 800 BA4558 600 400 200 0 0 BA4558F 5 POWER DISSIPATION: Pd (mW) OPEN LOOP GAIN: AV (dB) ± 10 POWER SUPPLY VOLTAGE: V± (V) ± 20 4 120 100 80 60 3 40 20 0 1 25 50 75 85 100 125 150 2 0 10 100 1k 10k 100k 1M 10M AMBIENT TEMPERATURE: Ta (°C) FREQUENCY: f (Hz) Fig.1 Power dissipation vs. ambient temperature 32 MAXIMUM OUTPUT VOLTAGE: VOM (V) INPUT BIAS CURRENT: IB (mA) 28 24 20 16 12 8 4 0 100 1k 10k 100k 1M 100 Fig.2 Quiescent current vs. power supply voltage Fig.3 Open loop voltage gain vs. frequency 100 INPUT BIAS CURRENT: IB (nA) 80 75 60 50 40 – 20 0 20 40 60 80 25 0 10 20 30 40 FREQUENCY: f (Hz) AMBIENT TEMPERATURE: Ta (°C) POWER SUPPLY VOLTAGE: V+ (V) Fig.4 Maximum output voltage vs. frequency Fig.5 Input bias current vs. ambient temperature Fig.6 Input bias current vs. power supply voltage 3 Standard ICs BA4558 / BA4558F / BA4558N +5 0 –5 COMMON MODE INPUT VOLTAGE: VICM (V) 20 INPUT VOLTAGE OUTPUT VOLTAGE VIN (V) VOUT (V) 10 0 5 0 –5 0 20 40 TIME (µs) 60 80 – 10 – 20 0 ± 10 POWER SUPPLY VOLTAGE: V± (V) ± 20 Fig.7 Output response characteristics Fig.8 Common mode input voltage vs. power supply voltage Operation notes • (1) Unused circuit connections If there are any circuits which are not being used, we recommend making connections as shown in Figure 9, with the non-inverted input pin connected to the potential within the in-phase input voltage range (VICM). – To potential in VICM VCC + VEE Fig.9 Unused circuit connections 4 Standard ICs BA4558 / BA4558F / BA4558N •External dimensions (Units: mm) BA4558 9.3 ± 0.3 6.5 ± 0.3 8 5 BA4558F 5.0 ± 0.2 8 6.2 ± 0.3 4.4 ± 0.2 5 1 0.51Min. 4 7.62 3.2 ± 0.2 3.4 ± 0.3 0.11 0.3 ± 0.1 1.5 ± 0.1 1 4 2.54 0.5 ± 0.1 0° ~ 15° 1.27 0.4 ± 0.1 0.3Min. 0.15 DIP8 BA4558N SOP8 19.3 ± 0.2 10.5 ± 0.5 5.8 ± 0.2 2.8 ± 0.2 1.2 1 3.5 ± 0.5 2.54 8 0.6 0.8 1.3 0.3 ± 0.1 SIP8 0.15 ± 0.1 5 .


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