UA747CN


          SLOS009A − D971, FEBRUARY 1971 − REVISED OCTOBER 1990 • • • • • • • No Frequency Compensation Required Low Power Consumption Short-Circuit Protection Offset-Voltage Null Capability Wide Common-Mode and Differential Voltage Ranges No Latch-Up Designed to Be Interchangeable With Fairchild µA747C and µA747M D, J, N, OR W PACKAGE (TOP VIEW) IN − IN + OFFSET 1N2 VCC − OFFSET 2N2 IN + IN − description OFFSET 1N2 NC VCC − NC OFFSET 2N2 3 12 4 11 5 10 6 9 7 8 OFFSET 1N1 1 VCC +† OUT NC OUT 2 VCC +† OFFSET 2N1 4 3 2 1 20 19 18 5 17 6 16 7 15 8 14 9 10 11 12 13 OUT NC NC NC OUT IN + IN − NC OFFSET 2N1 2 V CC +† The uA747C is characterized for operation from 0°C to 70°C; the uA747M is characterized for operation over the full military temperature range of −55°C to 125°C. symbol (each amplifier) IN − 13 IN + IN − NC OFFSET 1N1 1 V CC +† The high common-mode input voltage range and the absence of latch-up make this amplifier ideal for voltage-follower applications. The device is short-circuit protected and the internal frequency compensation ensures stability without external components. A low-value potentiometer may be connected between the offset null inputs to null out the offset voltage as shown in Figure 2. IN+ 14 2 uA747m . . . FK PACKAGE (TOP VIEW) The uA747 is a dual general-purpose operational amplifier featuring offset-voltage null capability. Each half is electrically similar to uA741. ÏÏÏ ÏÏÏ ÏÏÏ ÏÏÏ 1 NC − No internal connection + † The two positive supply terminals (1 VCC + and 2 VCC +) are connected together internally. OUT − OFFSET N1 OFFSET N2 AVAILABLE OPTIONS PACKAGE TA 0°C to 70°C −55°C to 125°C VIO Max AT 25°C 14-PIN 20-PIN SMALL OUTLINE (D) CERAMIC DIP (J) PLASTIC DIP (N) FLAT PACK (W) CHIP CARRIER (FK) 6 mV uA747CD — uA747CN — — 5 mV — uA747MJ — uA747MW uA747MFK The D package is available taped and reeled. Add the suffix R to the device type, (i.e., uA747CDR). Copyright  1990, Texas Instruments Incorporated     ! "
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         SLOS009A − D971, FEBRUARY 1971 − REVISED OCTOBER 1990 schematic (each amplifier) VCC + IN − OUT IN + OFFSET N2 OFFSET N1 VCC − absolute maximum ratings over operating free-air temperature range (unless otherwise noted) uA747M UNIT Supply voltage, VCC + (see Note 1) uA747C 18 22 V Supply voltage, VCC − (see Note 1) −18 −22 V Differential input voltage (see Note 2) ± 30 ± 30 V Input voltage any input (see Notes 1 and 3) ± 15 ± 15 V Voltage between any offset null terminal (N1/N2) and VCC − ± 0.5 ± 0.5 V unlimited unlimited Duration of output short circuit (see Note 4) Continuous total dissipation See Dissipation Rating Table Operating free-air temperature range Storage temperature range 0 to 70 −55 to 125 °C −65 to 150 −65 to 150 °C Case temperature for 60 seconds FK package 260 °C Lead temperature 1,6 mm (1/16 inch) from case for 60 seconds J or W package 300 °C Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds D or N package NOTES: 1. 2. 3. 4. °C 260 All voltage values, unless otherwise noted, are with respect to the midpoint between VCC + and VCC −. Differential voltages are at the noninverting input terminal with respect to the inverting input terminal. The magnitude of the input voltage must never exceed the magnitude of the supply voltage or 15 V, whichever is less. The output may be shorted to ground or either power supply. For the uA747M only, the unlimited duration of the short circuit applies at (or below) 125°C case temperature or 75°C free-air temperature. DISSIPATION RATING TABLE 2 PACKAGE TA ≤ 25°C POWER RATING DERATING FACTOR D 800 mW 7.6 mW/°C DERATE ABOVE TA 45°C TA = 70°C POWER RATING TA = 125°C POWER RATING 608 mW — FK 800 mW 11.0 mW/°C 77°C 800 mW 275 mW 275 mW J 800 mW 11.0 mW/°C 77°C 800 mW N 800 mW 9.2 mW/°C 63°C 736 mW — W 800 mW 8.0 mW/°C 50°C 640 mW 200 mW • POST OFFICE BOX 655303 DALLAS, TEXAS 75265 POST OFFICE BOX 1443 HOUSTON, TEXAS 77001 • 

         SLOS009A − D971, FEBRUARY 1971 − REVISED OCTOBER 1990 electrical characteristics at specified free-air temperature, VCC ± = ±15 V PARAMETER VIO Input offset voltage ∆VIO(adj) Offset voltage adjust range IIO Input offset current IIB Input bias current VICR VO(PP) AVD TA‡ TEST CONDITIONS† uA747C MIN MAX 1 6 25°C VO = 0 Full range 25°C ±15 25°C 20 25°C 80 25°C ±12 ±12 RL= 10 kΩ 25°C 24 Maximum peak-to-peak RL ≥ 10 kΩ Full range 24 output voltage swing RL= 2 kΩ 25°C 20 RL ≥ 2 kΩ Full range 20 Large-signal differential RL ≥ 2 kΩ, 25°C 25 voltage amplification VO = ± 10 V Full range 15 25°C 0.3 ri Input resistance ro Output resistance Ci Input capacitance CMRR Common-mode rejection ratio VIC = VICR 25°C 70 Full range 70 kSVS Supply-voltage sensitivity (∆VIO / ∆VCC) VCC = ± 9 V to ± 15 V 25 C 25°C Full range IOS Short-circuit output current ICC Supply current (each amplifier) No load 1 5 6 ±15 200 20 80 PD Power dissipation (each amplifier) No load, 200 500 1500 ±12 ±13 24 20 nA nA 28 24 26 mV V ±12 28 UNIT mV 500 500 ±13 V 26 20 200 50 200 V/mV 25 2 0.3* 2 MΩ 25°C 75 75 Ω 25°C 1.4 1.4 pF 90 70 90 dB 70 30 150 30 150 150 150 25°C ± 25 ± 40 ± 25 ± 40 25°C 1.7 2.8 1.7 2.8 Full range VO = 0 MAX 800 Full range See Note 5 TYP 300 Full range input voltage range MIN 7.5 Full range Common-mode uA747M TYP 25°C 3.3 50 Full range 3.3 85 50 100 85 100 µV/V mA mA mW Vo1/Vo2 Channel separation 25°C 120 120 0 dB † All characteristics are measured under open-loop conditions with zero common-mode input voltage unless otherwise specified. ‡ Full range for uA747C is 0°C to 70°C and for uA747M is − 55°C to 125°C. *On products compliant to MIL-STD-883, Class B, this parameter is not production tested. NOTE 5: This typical value applies only at frequencies above a few hundred hertz because of the effects of drift and thermal feedback. operating characteristics, VCC ± = ± 15 V, TA = 25°C PARAMETER tr SR Rise time TEST CONDITIONS MIN TYP 0.3 Overshoot factor VI = 20 mV, RL = 2 kΩ, CL = 100 pF, See Figure 1 5% Slew rate at unity gain VI = 10 mV, RL = 2 kΩ, CL = 100 pF, See Figure 1 0.5 • POST OFFICE BOX 655303 DALLAS, TEXAS 75265 POST OFFICE BOX 1443 HOUSTON, TEXAS 77001 • MAX UNIT µs V/µs 3 

         SLOS009A − D971, FEBRUARY 1971 − REVISED OCTOBER 1990 PARAMETER MEASUREMENT INFORMATION VI Ï − + Input 0V INPUT VOLTAGE WAVEFORM RL = 2 kΩ CL = 100 pF TEST CIRCUIT Figure 1. Rise Time, Overshoot, and Slew Rate APPLICATION INFORMATION IN − − IN + + OUT OFFSET N2 OFFSET N1 10 kΩ To VCC − Figure 2. Input Offset Voltage Null Circuit 4 • POST OFFICE BOX 655303 DALLAS, TEXAS 75265 POST OFFICE BOX 1443 HOUSTON, TEXAS 77001 • OUT 

         SLOS009A − D971, FEBRUARY 1971 − REVISED OCTOBER 1990 TYPICAL CHARACTERISTICS† INPUT OFFSET CURRENT vs FREE-AIR TEMPERATURE 100 VCC ± = ± 15 V IIIO IO − Input Offset Current − nA 90 80 70 60 uA747C 50 40 30 20 10 0 −60 −40 −20 0 20 40 60 80 100 120 140 TA − Free-Air Temperature − C Figure 3 INPUT BIAS CURRENT vs FREE-AIR TEMPERATURE 400 VCC ± = ± 15 V IIB I IB− Input Bias Current − nA 350 300 250 uA747C 200 150 100 50 0 −60 −40 −20 0 20 40 60 80 100 120 140 TA − Free-Air Temperature − C Figure 4 † Data at high and low temperatures are applicable only within the rated operating free-air temperature range of the particular devices. • POST OFFICE BOX 655303 DALLAS, TEXAS 75265 POST OFFICE BOX 1443 HOUSTON, TEXAS 77001 • 5 

         SLOS009A − D971, FEBRUARY 1971 − REVISED OCTOBER 1990 TYPICAL CHARACTERISTICS MAXIMUM PEAK-TO-PEAK OUTPUT VOLTAGE vs LOAD RESISTANCE MAXIMUM PEAK-TO-PEAK OUTPUT VOLTAGE vs FREQUENCY VCC − Maximum Peak-to-Peak Output Voltage − V VO(PP) VCC VCC − Maximum Peak-to-Peak Output Voltage − V 28 VCC ± = ± 15 V TA = 25°C 26 24 22 20 18 16 14 ÁÁ ÁÁ ÁÁ 10 0.2 0.4 0.7 1 2 4 RL − Load Resistance − kΩ 7 VCC ± = ± 15 V RL = 10 kΩ TA = 25°C 36 32 28 24 20 16 12 ÁÁ ÁÁ ÁÁ 12 8 0.1 ÁÁÁÁÁ ÁÁÁÁÁ ÁÁÁÁÁ 40 10 8 4 0 100 1k Figure 5 OPEN-LOOP LARGE-SIGNAL DIFFERENTIAL VOLTAGE AMPLIFICATION vs FREQUENCY 107 RL = 2 kΩ TA = 25°C AAVD VD − Differential Voltage Amplification A AVD VD − Differential Voltage Amplification V/mV 400 200 100 40 20 VCC ± = ± 15 V RL = 2 kΩ 106 TA = 25°C 105 10 4 103 102 ÁÁ ÁÁ ÁÁ 101 1 10 −1 10 0 2 4 6 8 10 12 14 16 |VCC ±| − Supply Voltage − V 18 20 1 10 Figure 7 6 1M Figure 6 OPEN-LOOP LARGE-SIGNAL DIFFERENTIAL VOLTAGE AMPLIFICATION vs SUPPLY VOLTAGE ÁÁ ÁÁ 10 k 100 k f − Frequency − Hz 100 1 k 10 k 100 k 1 M f − Frequency − Hz Figure 8 • POST OFFICE BOX 655303 DALLAS, TEXAS 75265 POST OFFICE BOX 1443 HOUSTON, TEXAS 77001 • 10 M 100 M 

         SLOS009A − D971, FEBRUARY 1971 − REVISED OCTOBER 1990 TYPICAL CHARACTERISTICS COMMON-MODE REJECTION RATIO vs FREQUENCY OUTPUT VOLTAGE vs ELAPSED TIME 28 VCC ± = ± 15 V RS = 50 Ω TA = 25°C 90 24 VO VO − Output Voltage − mV 80 70 60 50 ÁÁ ÁÁ 40 30 20 20 90% 16 12 VCC ± = ± 15 V RL = 2 kΩ CL = 100 pF TA = 25°C 8 4 10% ÎÎ 0 10 0 1 10 100 1 k 10 k 100 k 1 M f − Frequency − Hz −4 10 M 100 M ÎÎÎÎÎ tr 0 0.5 Figure 9 1 1.5 t − Time − µs 2 2.5 Figure 10 VOLTAGE-FOLLOWER LARGE-SIGNAL PULSE RESPONSE 8 VCC ± = ± 15 V RL = 2 kΩ CL = 100 pF TA = 25°C 6 Input and Output Voltages − V CMRR − Common-Mode Rejection Ratio − dB 100 4 Output 2 0 Input −2 −4 −6 −8 0 10 20 30 40 50 t − Time − µs 60 70 80 90 Figure 11 • POST OFFICE BOX 655303 DALLAS, TEXAS 75265 POST OFFICE BOX 1443 HOUSTON, TEXAS 77001 • 7 PACKAGE OPTION ADDENDUM www.ti.com 14-Aug-2021 PACKAGING INFORMATION Orderable Device Status (1) Package Type Package Pins Package Drawing Qty Eco Plan (2) Lead finish/ Ball material MSL Peak Temp Op Temp (°C) Device Marking (3) (4/5) (6) UA747CN ACTIVE PDIP N 14 25 RoHS & Green NIPDAU N / A for Pkg Type 0 to 70 UA747CN UA747CNE4 ACTIVE PDIP N 14 25 RoHS & Green NIPDAU N / A for Pkg Type 0 to 70 UA747CN UA747CNE4 ACTIVE PDIP N 14 25 RoHS & Green NIPDAU N / A for Pkg Type 0 to 70 UA747CN (1) The marketing status values are defined as follows: ACTIVE: Product device recommended for new designs. LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect. NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design. PREVIEW: Device has been announced but is not in production. Samples may or may not be available. OBSOLETE: TI has discontinued the production of the device. (2) RoHS: TI defines "RoHS" to mean semiconductor products that are compliant with the current EU RoHS requirements for all 10 RoHS substances, including the requirement that RoHS substance do not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, "RoHS" products are suitable for use in specified lead-free processes. TI may reference these types of products as "Pb-Free". RoHS Exempt: TI defines "RoHS Exempt" to mean products that contain lead but are compliant with EU RoHS pursuant to a specific EU RoHS exemption. Green: TI defines "Green" to mean the content of Chlorine (Cl) and Bromine (Br) based flame retardants meet JS709B low halogen requirements of