DATASHEET CA3140, CA3140A FN957 4.5MHz, BiMOS Operational Amplifier with MOSFET Input/Bipolar Output Rev.10.00 Jul 11, 2005 The CA3140A and CA3140 are integrated circuit operational Features amplifiers that combine the advantages of high voltage • MOSFET Input Stage PMOS transistors with high voltage bipolar transistors on a - Very High Input Impedance (Z ) -1.5T (Typ) single monolithic chip. IN - Very Low Input Current (Il) -10pA (Typ) at 15V The CA3140A and CA3140 BiMOS operational amplifiers - Wide Common Mode Input Voltage Range (VlCR) - Can be feature gate protected MOSFET (PMOS) transistors in the Swung 0.5V Below Negative Supply Voltage Rail input circuit to provide very high input impedance, very low - Output Swing Complements Input Common Mode input current, and high speed performance. The CA3140A Range and CA3140 operate at supply voltage from 4V to 36V • Directly Replaces Industry Type 741 in Most Applications (either single or dual supply). These operational amplifiers are internally phase compensated to achieve stable • Pb-Free Plus Anneal Available (RoHS Compliant) operation in unity gain follower operation, and additionally, have access terminal for a supplementary external capacitor Applications if additional frequency roll-off is desired. Terminals are also • Ground-Referenced Single Supply Amplifiers in provided for use in applications requiring input offset voltage Automobile and Portable Instrumentation nulling. The use of PMOS field effect transistors in the input • Sample and Hold Amplifiers stage results in common mode input voltage capability down to 0.5V below the negative supply terminal, an important • Long Duration Timers/Multivibrators attribute for single supply applications. The output stage (seconds-Minutes-Hours) uses bipolar transistors and includes built-in protection • Photocurrent Instrumentation against damage from load terminal short circuiting to either • Peak Detectors supply rail or to ground. • Active Filters The CA3140A and CA3140 are intended for operation at supply voltages up to 36V (18V). • Comparators • Interface in 5V TTL Systems and Other Low Supply Voltage Systems • All Standard Operational Amplifier Applications • Function Generators • Tone Controls • Power Supplies • Portable Instruments • Intrusion Alarm Systems Pinout CA3140 (PDIP, SOIC) TOP VIEW OFFSET 1 8 NULL STROBE 2 7 INV. INPUT - V+ NON-INV. + 3 6 OUTPUT INPUT OFFSET V- 4 5 NULL FN957 Rev.10.00 Page 1 of 24 Jul 11, 2005 CA3140, CA3140A Ordering Information PART NUMBER TEMP. PKG. (BRAND) RANGE (°C) PACKAGE DWG. # CA3140AE -55 to 125 8 Ld PDIP E8.3 CA3140AEZ* -55 to 125 8 Ld PDIP E8.3 (See Note) (Pb-free) CA3140AM -55 to 125 8 Ld SOIC M8.15 (3140A) CA3140AM96 -55 to 125 8 Ld SOIC Tape and Reel (3140A) CA3140AMZ -55 to 125 8 Ld SOIC M8.15 (3140A) (See Note) (Pb-free) CA3140AMZ96 -55 to 125 8 Ld SOIC Tape and Reel (3140A) (See Note) (Pb-free) CA3140E -55 to 125 8 Ld PDIP E8.3 CA3140EZ* -55 to 125 8 Ld PDIP E8.3 (See Note) (Pb-free) CA3140M -55 to 125 8 Ld SOIC M8.15 (3140) CA3140M96 -55 to 125 8 Ld SOIC Tape and Reel (3140) CA3140MZ -55 to 125 8 Ld SOIC M8.15 (3140) (See Note) (Pb-free) CA3140MZ96 -55 to 125 8 Ld SOIC Tape and Reel (3140) (See Note) (Pb-free) *Pb-free PDIPs can be used for through hole wave solder processing only. They are not intended for use in Reflow solder processing applications. NOTE: Intersil Pb-free products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD- 020. FN957 Rev.10.00 Page 2 of 24 Jul 11, 2005 CA3140, CA3140A Absolute Maximum Ratings Thermal Information o o DC Supply Voltage (Between V+ and V- Terminals) . 36V Thermal Resistance (Typical, Note 1) JA ( C/W) JC ( C/W) Differential Mode Input Voltage . 8V PDIP Package* . 115 N/A DC Input Voltage . (V++8V) To (V- -0.5V) SOIC Package . 165 N/A Input Terminal Current . 1mA Maximum Junction Temperature (Plastic Package) . 150oC Output Short Circuit Duration (Note 2) . Indefinite Maximum Storage Temperature Range. -65oC to 150oC Maximum Lead Temperature (Soldering 10s) . 300oC Operating Conditions (SOIC - Lead Tips Only) Temperature Range . -55oC to 125oC *Pb-free PDIPs can be used for through hole wave solder process- ing only. They are not intended for use in Reflow solder processing applications. CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. NOTES: 1. JA is measured with the component mounted on a low effective thermal conductivity test board in free air. See Tech Brief TB379 for details 2. Short circuit may be applied to ground or to either supply. o Electrical Specifications VSUPPLY = 15V, TA = 25 C TYPICAL VALUES PARAMETER SYMBOL TEST CONDITIONS CA3140 CA3140A UNITS Input Offset Voltage Adjustment Resistor Typical Value of Resistor 4.7 18 k Between Terminals 4 and 5 or 4 and 1 to Adjust Max VIO Input Resistance RI 1.5 1.5 T Input Capacitance CI 44pF Output Resistance RO 60 60 Equivalent Wideband Input Noise Voltage eN BW = 140kHz, RS = 1M 48 48 V (See Figure 27) Equivalent Input Noise Voltage (See Figure 35) eN RS = 100 f = 1kHz 40 40 nV/Hz f = 10kHz 12 12 nV/Hz Short Circuit Current to Opposite Supply IOM+ Source 40 40 mA IOM-Sink1818mA Gain-Bandwidth Product, (See Figures 6, 30) fT 4.5 4.5 MHz Slew Rate, (See Figure 31) SR 9 9 V/s Sink Current From Terminal 8 To Terminal 4 to 220 220 A Swing Output Low Transient Response (See Figure 28) tr RL = 2k Rise Time 0.08 0.08 s C = 100pF OSL Overshoot 10 10 % Settling Time at 10VP-P, (See Figure 5) tS RL = 2k To 1mV 4.5 4.5 s C = 100pF L 1.4 1.4 s Voltage Follower To 10mV o Electrical Specifications For Equipment Design, at VSUPPLY = 15V, TA = 25 C, Unless Otherwise Specified CA3140 CA3140A PARAMETER SYMBOL MIN TYP MAX MIN TYP MAX UNITS Input Offset Voltage |VIO|- 5 15- 2 5mV Input Offset Current |IIO| - 0.5 30 - 0.5 20 pA Input Current II - 10 50 - 10 40 pA FN957 Rev.10.00 Page 3 of 24 Jul 11, 2005 CA3140, CA3140A o Electrical Specifications For Equipment Design, at VSUPPLY = 15V, TA = 25 C, Unless Otherwise Specified (Continued) CA3140 CA3140A PARAMETER SYMBOL MIN TYP MAX MIN TYP MAX UNITS Large Signal Voltage Gain (Note 3) AOL 20 100 - 20 100 - kV/V (See Figures 6, 29) 86 100 - 86 100 - dB Common Mode Rejection Ratio CMRR - 32 320 - 32 320 V/V (See Figure 34) 70 90 - 70 90 - dB Common Mode Input Voltage Range (See Figure 8) VICR -15 -15.5 to +12.5 11 -15 -15.5 to +12.5 12 V Power-Supply Rejection Ratio, PSRR - 100 150 - 100 150 V/V V /V (See Figure 36) IO S 76 80 - 76 80 - dB Max Output Voltage (Note 4) VOM+ +12 13 - +12 13 - V (See Figures 2, 8) VOM- -14 -14.4 - -14 -14.4 - V Supply Current (See Figure 32) I+ - 4 6 - 4 6 mA Device Dissipation PD - 120 180 - 120 180 mW o Input Offset Voltage Temperature Drift VIO/T- 8 - - 6 -V/ C NOTES: 3. At VO = 26VP-P, +12V, -14V and RL = 2k. 4. At RL = 2k. o Electrical Specifications For Design Guidance At V+ = 5V, V- = 0V, TA = 25 C TYPICAL VALUES PARAMETER SYMBOL CA3140 CA3140A UNITS Input Offset Voltage |VIO|5 2mV Input Offset Current |IIO|0.10.1pA Input Current II 22pA Input Resistance RI 11T Large Signal Voltage Gain (See Figures 6, 29) AOL 100 100 kV/V 100 100 dB Common Mode Rejection Ratio CMRR 32 32 V/V 90 90 dB Common Mode Input Voltage Range (See Figure 8) VICR -0.5 -0.5 V 2.6 2.6 V Power Supply Rejection Ratio PSRR 100 100 V/V V /V IO S 80 80 dB Maximum Output Voltage (See Figures 2, 8) VOM+3 3 V VOM- 0.13 0.13 V Maximum Output Current: Source IOM+1010mA I Sink OM-1 1mA Slew Rate (See Figure 31) SR 7 7 V/s Gain-Bandwidth Product (See Figure 30) fT 3.7 3.7 MHz Supply Current (See Figure 32) I+ 1.6 1.6 mA Device Dissipation PD 88mW FN957 Rev.10.00 Page 4 of 24 Jul 11, 2005 CA3140, CA3140A o Electrical Specifications For Design Guidance At V+ = 5V, V- = 0V, TA = 25 C (Continued) TYPICAL VALUES PARAMETER SYMBOL CA3140 CA3140A UNITS Sink Current from Terminal 8 to Terminal 4 to Swing Output Low 200 200 A Block Diagram 2mA 4mA 7 V+ BIAS CIRCUIT CURRENT SOURCES AND REGULATOR 200A2001.6mAA 2A2mA + 3 A INPUT A 10 A 1 6 OUTPUT - 10,000 2 C1 12pF 4 V- 5 1 8 STROBE OFFSET NULL FN957 Rev.10.00 Page 5 of 24 Jul 11, 2005 CA3140, CA3140A Schematic Diagram BIAS CIRCUIT INPUT STAGE SECOND STAGE OUTPUT STAGE DYNAMIC CURRENT SINK 7 V+ D 1 D7 R13 5K Q3 R Q20 Q Q 9 1 2 50 D8 R10 Q4 1K Q6 Q5 R14 R 20K Q19 R11 12 12K Q7 20 Q21 Q17 R1 R 8K Q8 8 1K Q18 6 OUTPUT D 2 D3 D4 D5 INVERTING 2 INPUT - Q9 Q10 + NON-INVERTING 3 INPUT C1 R2 R3 500 500 12pF Q Q 14 Q15 16 Q13 Q11 Q12 D6 R4 R5 R6 R7 500 500 50 30 5 1 8 4 OFFSET NULL STROBE V- NOTE: All resistance values are in ohms.