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| JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO.,LTD. CJ4558CP--DUAL OPERATONAL AMPLIFIER 1. Overview The CJ4558CP is a dual operational amplifier designed for use as ripple filter, compensation amplifier, audio pre-amplifier and linear amplifier in electronic devices. Its features are: Built-in phase compensation circuit Low noise: VNI = 2.5uV Wide bandwidth and high speed, BW = 3MHz SOP-8 2. Block Diagram and Pin Description 2. 1 Block Diagram 8 7 6 5 A1 BIAS CURRENT A2 1 2. 2 Pin Description Pin No. 1 2 3 4 Symbol OUT 1 IN1IN1+ VEE 2 3 4 Description Pin No. Output 1 5 Negative Feedback1 6 Positive Input 1 7 VEE 8 Symbol IN2+ IN2OUT 2 VCC Description Positive Input 2 Negative Input 2 Output 2 VCC JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO.,LTD. Add:275 Binjiang Rd.(M),Jiangyin,China Tel: (0510) 6852812 Page 1 of 6 Fax: (0510) 6858792 CHANGJIANG ELEC. CO. CJ4558CP 3. Electrical Characteristics 3. 1 Absolute Maximum Ratings Unless otherwise specified, T amb= 25 Parameter Symbol Supply Voltage VCC/VEE Input Differential Voltage VID Input Common-mode Voltage VIC Power Dissipation PD Operating Temperature T amb Storage Temperature T stg 3. 2 Electrical Characteristics Unless otherwise specified, T amb= 25 Parameter Supply Current Input Offset Current Input Bias Current Input Common-mode Voltage Max. Output Voltage Output Shot Current Output Sink Current Open Loop Voltage Gain Common-mode Rejection Ratio Supply Voltage Rejection Ratio Input Offset Voltage Slew Rate Bandwidth Equivalent Input Noise Voltage Symbol ICC/IEE IIO IIB VIC VOM IOS IOsink AVO CMRR KSVR VIO SR BW VNI RS=1k f=30Hz~30kHz VO= 10V RL 2k RS RS 10k 10k 86 70 RL 10k RL 2k VCC = 15V VEE = -15V Value Test Conditions Min Typ 4.0 5 60 12 12 10 14 14 13 40 40 100 90 30 0.5 1.0 3.0 2.5 150 6 Value 18 30 15 500 -30~75 -55~125 Unit V V V mW Max 6.0 200 500 Unit mA nA nA V V V mA mA dB dB uV/V mV V/uS MHz uV Figs 4.5 4.2 4.2 4.3 4.4 4.4 4.4 4.4 4.7 4.3 4.1 4.1 4.6 4.7 RS 10k AV=1 RL 2k 4. Test Circuit Vcc VIO 1M| A Vo V - 10k| 10k| VEE VIO=VO / 100 (V) KSVR KSVR= (VIO1-VIO2) /5 (uV/V) VIO1 VCC=17.5V VEE= -17.5V VIO2 VCC=12.5V VEE= -12.5V Fig 4.1 Page 2 of 6 CHANGJIANG ELEC. CO. CJ4558CP Vcc A IIO IIO=(c)|II (+)-II (-)(c)| VEE Fig 4.2 1M| 10k| A 10k| V - V2 1M| I (+) I I (-) I A A Vcc Vo V - VIC V2 is adjustable voltage VO = 1V VEE KCMR Differential Voltage Gain to Common-mode Voltage Gain Ratio Fig 4.3 Vcc Vo A S2 VEE S1 A B Vcc/2 RL A V Ios Iosink S3 Fig 4.4 VOM 1+ S1=B VOM 1S1=A VOM 2+ S1=B VOM 2S1=A Iosink S1=A Ios S1=B S2 OFF, S3 OFF S2 OFF, S3 OFF S2 ON, S3 OFF S2 OFF, S3 ON S2 OFF, S3 ON S2 OFF, S3 ON VC C A - Icc VC C A A Vo RL A VEE IEE VEE Fig 4.5 Fig 4.6 Page 3 of 6 CHANGJIANG ELEC. CO. CJ4558CP VC C C2 C1 2k| R + + C1 G R VI A Vo AVD=20log(VO/V) BW is the frequency of VI when VO=VI 2k| VEE 2k| Fig 4.7 5. Characteristics Curve I IBTamb Avof 120 V+ =15V 70 60 50 40 30 20 0 20 40 60 80 100 V- =15V Input Bias Current I IB(nA) Open Loop Voltage Gain AvodB(c) 80 100 80 60 40 20 0 1 V+=15V R L | =2k V- =15V Tamb=25 ae 10 100 1k 10k 100k 1M 10M Ambient Temperature Tamb ( ae) Frequency fHz(c) Max. Output Voltage V OM V(c) VOMV+ V15 Vo (pp) - f 10 5 0 5 10 15 6 8 10 12 14 16 18 Max. Output Peak Voltagae 24 Vo (pp) 16 V+=15V V _ -15V = Tamb=25 ae 1 10 100 1k 10k 100k 1M 8 0 Supply Voltage V+ V-A V(c) Frequency f (Hz) Output Peak Voltage Vo(pp) (V) Vo (pp) - RL 28 24 20 16 12 0.1 0.3 1.0 V+=15V V- = 15V Tamb=25 ae 3.0 10.0 Power Dissipation P W(c) D P D Tamb 500 300 100 0 20 40 60 80 100 120 140 Load Resistance R ) L(k| Ambient Temperature Tambae(c) Page 4 of 6 CHANGJIANG ELEC. CO. CJ4558CP 6. Application Circuit 22k| 270k| 3300pF 0.012|I F 3.3|I F 470| L INPUT 2.2k| 1800pF 3 1/2 2 270pF 4 1 + L OUTPUT 47k| 560| V - = 13V + 100|I F 0.01|I F 100|I F + 270pF 47k| 560| 0.01|I F V+=13V 6 R INPUT 2.2k| 1800pF 8 1/2 7 + 3.3|I F 470| R OUTPUT 5 3300pF 22k| 0.012|I F 270k| Page 5 of 6 CHANGJIANG ELEC. CO. CJ4558CP 7.Mechanical Dimensions Package SOP-8 MIN 1.55 0.20 0.061 0.008 0.1~0.25 0.004~0.001 #1 #8 4.92 0.20 0.194 0.008 5.13 MAX 0.202 ( #4 #5 6.00 0.30 0.236 0.012 +0.10 0.15 -0.05 +0.004 0.006 -0.002 0.56 ) 0.022 1.80 MAX 0.071 MAX0.10 MAX0.004 3.95 0.20 0.156 0.008 5.72 0.225 0.50 0.20 0.020 0.008 Page 6 of 6 0~ 8 1.27 0.050 0.41 0.10 0.016 0.004 |
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