ROHM’s Selection Operational Amplifier/Comparator Series Operational Amplifiers: High Speed BA3472F,BA3472FV,BA3472FVM No.09049EBT01 ●Description General-purpose BA3472 family integrate two Independent Op-amps and phase compensation capacitors on a single chip and have some features of high-gain, low power consumption, and wide operating voltage range of +3[V]～+36[V](single power supply). Especially, characteristics are high slew rate and high unity gain frequency. BA3472F,BA3472FV,BA3472FVM Dual General-purpose ●Characteristics 1) Operable with a single power supply 2) Wide operating supply voltage ＋3.0[V]～＋36.0[V](single supply) ±1.5[V]～±18.0[V](split supply) 3) Standard Op-Amp. Pin-assignments 4) Internal phase compensation 5) High slew rate：10[V/µs] 6) Unity gain frequency：4[MHz] 7) High open loop voltage gain 8) Internal ESD protection Human body model (HBM) ±5000[V](Typ.) 9) Operable low input voltage around GND level 10) Wide output voltage range VEE+0.3[V]～VCC-1.0[V](Typ.) with VCC-VEE=30[V] ●Pin Assignment SSOP-B14 www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. OUT1 1 -IN1 2 +IN1 3 VEE 4 CH1 － ＋ CH2 ＋ － 8 VCC 7 OUT2 6 -IN2 5 +IN2 SOP8 SSOP-B8 MSOP8 BA3472F BA3472FV BA3472FVM 1/9 VQFN16 2009.11 - Rev.B Technical Note BA3472F,BA3472FV,BA3472FVM ●Absolute Maximum Ratings (Ta=25[℃]) Rating Parameter Symbol Unit BA3472F,BA3472FV,BA3472FVM Supply Voltage VCC-VEE +36 V Vid +36 V Input Common-mode Voltage Range Vicm （VEE-0.3）～ VCC V Operating Temperature Range Topr -40～+85 ℃ Storage Temperature Range Tstg -55～+150 ℃ Tjmax +150 ℃ Differential Input Voltage (*1) Maximum Junction Temperature Note absolute maximum rating item indicates the condition which must not be exceeded. Application if voltage in excess of absolute maximum rating or use out of absolute maximum rated temperature environment may cause deterioration of characteristics. (*1) The voltage difference between inverting input and non-inverting input is the differential input voltage. Then input terminal voltage is set to more than VEE. ●Electric Characteristics Unless otherwise specified（VCC=+15[V], VEE=-15[V], Ta=25[℃]） Guaranteed limit Temperature Parameter Symbol range Min. Typ. Max. Input Offset Voltage (*2) Input Offset Current (*2) Input Bias Current (*2) Supply Current High Level Output Voltage Low Level Output Voltage Large Single Voltage Gain Vio 1 10 25℃ nA VCC=5[V],VEE=0[V], Vicm=0[V],VOUT=VCC/2 Vicm=0[V],VOUT=0[V] 500 nA Vicm=0[V],VOUT=0[V] 5.5 mA RL=∞ 1.5 10 25℃ - 6 75 Ib 25℃ - 100 ICC 25℃ - 4 3.7 4 - 13.7 14 - 13.5 - - - 0.1 0.3 - -14.7 -14.3 - - -13.5 VOH VOL 25℃ 25℃ Condition Vicm=0[V],VOUT=0[V] mV - Iio Unit VCC=5[V],RL=2[kΩ] V RL=10[kΩ] RL=2[kΩ] VCC=5[V],RL=2[kΩ] V RL=10[kΩ] RL=2[kΩ] AV 25℃ 80 100 - dB RL≧2[kΩ],VOUT=±10 [V] Vicm 25℃ 0 - VCC-2.0 V VCC=5[V],VEE=0[V], VOUT=VCC/2 Common-mode Rejection Ratio CMRR 25℃ 60 97 - dB Vicm=0[V],VOUT=0[V] Power Supply Rejection Ratio PSRR 25℃ 60 97 - dB Vicm=0[V],VOUT=0[V] Output Source Current (*3) IOH 25℃ 10 30 - Output Sink Current (*3) IOL 25℃ 20 30 - Unity Gain Frequency ft 25℃ - 4 - MHz Slew Rate SR 25℃ - 10 - V/μs Channel Separation CS 25℃ - 120 - dB Input Common-mode Voltage Range VIN+=1[V],VIN-=0[V], mA VOUT=0[V], Only 1ch is short circuit VIN+=0[V],VIN-=1[V], mA VOUT=5[V], Only 1ch is short circuit Av=1,Vin=-10 to +10[V],RL=2[kΩ] (*2) Absolute value (*3) 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. www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. 2/9 2009.11 - Rev.B Technical Note BA3472F,BA3472FV,BA3472FVM ●Reference Data www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. 3/9 2009.11 - Rev.B Technical Note BA3472F,BA3472FV,BA3472FVM www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. 4/9 2009.11 - Rev.B Technical Note BA3472F,BA3472FV,BA3472FVM ●Schematic diagram VCC VIN- VOUT VIN+ VEE Fig24. Schematic diagram (one channel only) ●Test circuit1 NULL method VCC,VEE,EK,Vicm Unit : [V] Parameter VF S1 S2 S3 Input Offset Voltage VF1 ON ON Input Offset Current VF2 OFF VF3 VF4 VF5 VF6 VF7 VF8 VF9 VF10 Input Bias Current Large Signal Voltage Gain Common-mode Rejection Ratio (Input Common-mode Voltage Range) Power Supply Rejection Ratio BA3472 family Calculation VCC VEE EK Vicm OFF 15 -15 0 0 1 OFF OFF 15 -15 0 0 2 OFF ON ON OFF OFF 15 -15 0 0 3 ON ON ON ON ON OFF ON ON OFF 15 15 15 15 2 18 -15 -15 -15 -15 -2 -18 ＋10 -10 0 0 0 0 0 0 -15 13 0 0 4 5 6 －Calculation－ 1. Input Offset Voltage (Vio) | VF1 | [V] Vio = 1 + Rf / Rs C2 0.1[μF] 2. Input Offset Current (Iio) | VF2－VF1 | [A] Iio = Rf 50[kΩ] Ri ×(1 + Rf / Rs) C1 RK 3. Input Bias Current (Ib) S1 VCC EK | VF4－VF3 | Rs [A] Ib = 2×Ri× (1 + Rf / Rs) 4. Large Signal Voltage Gain (Av) Av = 20×Log ΔEK×(1+Rf /Rs) |VF5-VF6| Vicm [dB] 0.1[μF] +15[V] 50[Ω] 10[kΩ] 50[Ω] 10[kΩ] Rs 500[kΩ] Ri RK 500[kΩ] DUT NULL S3 Ri S2 VEE RL C3 1000[pF] -15[V] V VF 5. Common-mode Rejection Ratio (CMRR) CMRR = 20×Log ΔVicm×(1+Rf /Rs) Fig.25 Test circuit 1 (one channel only) [dB] |VF8-VF7| 6. Power Supply Rejection Ratio (PSRR) PSRR = 20×Log ΔVcc×(1+Rf /Rs) [dB] |VF10-VF9| www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. 5/9 2009.11 - Rev.B Technical Note BA3472F,BA3472FV,BA3472FVM ●Test circuit2 switch condition Unit : [V] SW 1 SW No. Supply Current SW 2 SW 3 SW 4 SW 5 SW 6 SW 7 SW 8 SW 9 OFF OFF OFF ON OFF ON OFF OFF OFF OFF OFF OFF OFF OFF ON SW 10 SW 11 SW 12 SW 13 SW 14 High Level Output Voltage OFF OFF ON OFF OFF ON OFF OFF OFF OFF OFF ON OFF Low Level Output Voltage OFF OFF ON OFF OFF ON OFF OFF OFF OFF OFF OFF ON OFF Output Source Current OFF OFF ON OFF OFF ON OFF OFF OFF OFF OFF OFF OFF ON Output Sink Current OFF OFF ON OFF OFF ON OFF OFF OFF OFF OFF OFF OFF ON Slew Rate OFF OFF OFF Gain Bandwidth Product OFF ON OFF OFF ON Equivalent Input Noise Voltage ON OFF OFF OFF ON ON OFF OFF OFF ON ON ON OFF OFF OFF OFF ON OFF OFF ON ON OFF OFF OFF OFF ON OFF OFF OFF OFF ON OFF OFF OFF voltage 電圧 SW4 VH R2 SW5 VCC VL A － SW1 SW2 ＋ SW3 SW6 RS Input Voltage Waveform SW7 SW8 R1 入力電圧波形 voltage 電圧 SW9 SW10 SW11 SW12 SW13 SW14 time 時間 SR＝ΔV/Δt VH VEE ΔV A ～ VIN- VIN+ ～ RL CL V ～ V VL VOUT Δt time Output Voltage Waveform 時間 出力電圧波形 Fig26. Test circuit2 (one channel only) Fig27. Slew rate input output wave ●Test circuit3 Channel separation VCC VCC R1//R2 R1//R2 OTHER CH VEE R1 VIN R2 VEE R1 V VOUT1 R2 V =0.5[Vrms] CS＝20×log VOUT2 100×VOUT1 VOUT2 Fig28. Test circuit3 www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. 6/9 2009.11 - Rev.B Technical Note BA3472F,BA3472FV,BA3472FVM ●Notes for use 1)Unused circuits When there are unused circuits it is recommended that they are connected as in Fig.29, setting the non-inverting input terminal to a potential within input common-mode voltage range (Vicm). 2) Input terminal voltage Applying GND + 36V to the input terminal is possible without causing deterioration of the electrical characteristics or destruction, irrespective of the supply voltage. However, this does not ensure normal circuit operation. Please note that the circuit operates normally only when the input voltage is within the common mode input voltage range of the electric characteristics. VCC 同相入力電圧 Please keep this potential in Vicm 範囲内の電位 ＋ － VEE Fig.29Unused circuit example 3) Power supply (single / dual) The op-amp operates when the specified voltage supplied is between VCC and VEE. Therefore, the single supply op-amp can be used as dual supply op-amp as well. 図1 未使用回路の処理例 4) Power dissipation Pd Using the unit in excess of the rated power dissipation may cause deterioration in electrical characteristics due to a rise in chip temperature, including reduced current capability. Therefore, please take into consideration the power dissipation (Pd) under actual operating conditions and apply a sufficient margin in thermal design. Refer to the thermal derating curves for more information. 5) Short-circuit between pins and erroneous mounting Incorrect mounting may damage the IC. In addition, the presence of foreign particles between the outputs, the output and the power supply, or the output and GND may result in IC destruction. 6) Operation in a strong electromagnetic field Operation in a strong electromagnetic field may cause malfunctions. 7) Radiation This IC is not designed to withstand radiation. 8) IC handing Applying mechanical stress to the IC by deflecting or bending the board may cause fluctuations in the electrical characteristics due to piezoelectric (piezo) effects. 9) Board inspection Connecting a capacitor to a pin with low impedance may stress the IC. Therefore, discharging the capacitor after every process is recommended. In addition, when attaching and detaching the jig during the inspection phase, ensure that the power is turned OFF before inspection and removal . Furthermore, please take measures against ESD in the assembly process as well as during transportation and storage. 10)Output capacitor Discharge of the external output capacitor to VCC is possible via internal parasitic elements when VCC is shorted to VEE, causing damage to the internal circuitry due to thermal stress. Therefore, when using this IC in circuits where oscillation due to output capacitive load does not occur, such as in voltage comparators, use an output capacitor with a capacitance less than 0.1µF. www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. 7/9 2009.11 - Rev.B Technical Note BA3472F,BA3472FV,BA3472FVM ●Ordering part number B A 3 Part No. 4 7 2 F Part No. V - E Package F: SOP8 FV: SSOP-B8 FVM: MSOP8 2 Packaging and forming specification E2: Embossed tape and reel (SOP8/SSOP-B8) TR: Embossed tape and reel (MSOP8) SOP8 <Tape and Reel information> 7 6 5 +6° 4° −4° 6.2±0.3 4.4±0.2 0.3MIN 8 1 2 3 0.9±0.15 5.0±0.2 (MAX 5.35 include BURR) Tape Embossed carrier tape Quantity 2500pcs Direction of feed E2 The direction is the 1pin of product is at the upper left when you hold ( reel on the left hand and you pull out the tape on the right hand ) 4 0.595 1.5±0.1 +0.1 0.17 -0.05 0.11 S 1.27 0.42±0.1 1pin Reel (Unit : mm) Direction of feed ∗ Order quantity needs to be multiple of the minimum quantity. SSOP-B8 <Tape and Reel information> 3.0 ± 0.2 (MAX 3.35 include BURR) 0.3MIN 4.4±0.2 6.4±0.3 8 76 5 Tape Embossed carrier tape Quantity 2500pcs Direction of feed E2 The direction is the 1pin of product is at the upper left when you hold ( reel on the left hand and you pull out the tape on the right hand ) 1.15±0.1 1 23 4 0.15 ± 0.1 0.1 S 0.1 +0.06 0.22 -0.04 (0.52) 0.08 M 0.65 1pin Reel (Unit : mm) www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. 8/9 Direction of feed ∗ Order quantity needs to be multiple of the minimum quantity. 2009.11 - Rev.B Technical Note BA3472F,BA3472FV,BA3472FVM MSOP8 <Tape and Reel information> 2.8±0.1 4.0±0.2 8 7 6 5 0.6±0.2 +6° 4° −4° 0.29±0.15 2.9±0.1 (MAX 3.25 include BURR) Tape Embossed carrier tape Quantity 3000pcs Direction of feed TR The direction is the 1pin of product is at the upper right when you hold ( reel on the left hand and you pull out the tape on the right hand ) 1 2 3 4 1PIN MARK 1pin +0.05 0.145 –0.03 0.475 0.08±0.05 0.75±0.05 0.9MAX S +0.05 0.22 –0.04 0.08 S Direction of feed 0.65 Reel (Unit : mm) www.rohm.com © 2009 ROHM Co., Ltd. All rights reserved. 9/9 ∗ Order quantity needs to be multiple of the minimum quantity. 2009.11 - Rev.B Notice Notes No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without notice. 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