Maker : STMicroelectronics
Part No. : UA748MN

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Product Information

UA748 PRECISION SINGLE OPERATIONAL AMPLIFIER . . . . . . . . INPUT OFFSET VOLTAGE : 3mV max. OVER TEMPERATURE FREQUENCY COMPENSATION WITH A SINGLE 30pF CAPACITOR (C1) OPERATION FROM ±5V to ±15V LOW POWER CONSUMPTION : 50mW AT ±15V CONTINUOUS SHORT-CIRCUIT PROTECTION OPERATION AS A COMPARATOR WITH DIFFERENTIAL INPUTS AS HIGH AS ±30V NO LATCH-UP WHEN COMMON-MODE RANGE IS EXCEEDED SAME PIN CONFIGURATION AS THE LM101A N DIP8 (Plastic Package) D SO8 (Plastic Micropackage) ORDER CODES Part Number UA748C UA748I UA748M Temperature Range 0 C, +70 C -40oC, +105oC -55oC, +125oC o o Package N • • • D • • • Example : UA748CN DESCRIPTION The UA748 is a general purpose operational amplifier built on a single silicon chip. The resulting close match and tight thermal coupling gives low offsets and temperature drift as well as fast recovery from thermal transients. Short-circuit protection Offset voltage null capability Large common-mode and differential voltage ranges Low power consumption No latch-up The unity-gain compensation specified makes the circuit stable for all feedback configurations, even with capacitive loads. However, it is possible to optimize compensation for best high frequency performance at any gain. The low power dissipation permits high voltage operation and simplifies packaging in full-temperature range systems. PIN CONNECTIONS (top view) . . . . . 1 2 3 4 8 7 6 5 1 - Offset null 1 / frequency compensation 2 - Inverting input 3 - Non-inverting input 4 - VCC- 5 6 7 8 - Offset null 2 - Output - VCC+ - Frequency compensation December 1997 1/8 UA748 SCHEMATIC DIAGRAM ABSOLUTE MAXIMUM RATINGS Symbol Vcc Vid Vi Ptot Toper Tstg Supply Voltage Differential Input Voltage Input Voltage Power Dissipation Output Short-circuit Duration Operating Free Air Temperature Range Storage Temperature Range -55 to +125 -65 to +150 Parameter UA748M UA748I ±22 ±30 ±15 500 Infinite -40 to +105 -65 to +150 0 to +70 -65 to +150 o o UA748C Unit V V V mW C C 2/8 UA748 ELECTRICAL CHARACTERISTICS ±5V ≤ VCC ≤ ±20V, C1 = 30pF, Tamb = +25oC (unless otherwise specified) Symbol Vio Parameter Input Offset Voltage (RS ≤ 10kΩ) o Tamb = +25 C Tmin. ≤ Tamb ≤ Tmax. Input Offset Current Tamb = +25oC Tmin. ≤ Tamb ≤ Tmax. Input Bias Current Tamb = +25oC Tmin. ≤ Tamb ≤ Tmax. Large Signal Voltage Gain * (VCC = ±15V, VO ±10V, R L = 2kΩ) o Tamb = +25 C Tmin. ≤ Tamb ≤ Tmax. Supply Voltage Rejection Ratio (RS ≤ 10kΩ) Tamb = +25oC Tmin. ≤ Tamb ≤ Tmax. Supply Current, no load Tamb = +25oC Tmin. ≤ Tamb ≤ Tmax. Input Common Mode Voltage Range (VCC = ±20V) Tamb = +25oC Tmin. ≤ Tamb ≤ Tmax. Common-mode Rejection Ratio (R S ≤ 10kΩ) o Tamb = +25 C Tmin. ≤ Tamb ≤ Tmax. Output Short-circuit Current (V CC = ±15V) Output Voltage Swing (VCC = ±15V) o RL = 10kΩ Tamb = +25 C R L = 2kΩ RL = 10kΩ Tmin. ≤ Tamb ≤ Tmax. R L = 2kΩ Slew Rate (Vi = ±10V, R L =2kΩ, CL= 100pF, unity gain) Rise Time (Vi = ±20mV, RL = 2kΩ, CL = 100pF, unity gain) Overshoot (Vi = 20mV, R L = 2kΩ, CL = 100pF, unity gain) Input Impedance (VCC = ±15V) Output Resistance (VCC = ±15V) Gain Bandwidth Product (Vi = 10mV, RL = 2kΩ, CL= 100pF, f = 100kHz) Total Harmonic Distortion (f = 1kHz, AV = 20dB, RL =2kΩ, VO = 2VPP,CL = 100pF) Input Offset Current Drift o 25 C ≤ Tamb ≤ Tmax. Tmin. ≤ Tamb ≤ Tmax. Input Offset Voltage Drift Tmin. ≤ Tamb ≤ Tmax. 0.5 1.5 ±15 ±15 UA748I/M Min. Typ. 0.2 Max. 2 3 75 10 10 20 Min. UA748C Typ. 2 Max. 7.5 10 nA 25 70 250 300 nA 1.5 2 50 70 V/mV 50 25 80 80 100 25 15 70 70 3 3 ±15 ±15 10 dB 96 96 mA 1.8 1.8 3 3 V Unit mV Iio Iib Avd SVR ICC Vicm CMR dB 80 80 10 12 10 12 10 0.25 96 30 14 13 50 70 70 10 12 10 12 10 0.25 96 30 14 13 50 mA V IOS ±VOPP SR tr KOV ZI Ro GBP THD V/µs 0.5 0.3 5 4 75 1 0.015 0.5 1.5 0.5 0.3 5 4 75 1 % 0.015 pA/ C 10 20 3 100 200 15 10 20 6 300 600 30 µV/ C o o µs % MΩ Ω MHz DV io DIio 3/8 UA748 4/8 UA748 5/8 U...

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