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LM2902WPT
LOW POWER QUAD OPERATIONAL AMPLIFIER
1/10 WIDE GAIN BANDWIDTH: 1.3MHz � INPUT COMMON-MODE VOLTAGE RANGE
INCLUDES GROUND� LARGE VOLTAGE GAIN: 100dB� VERY LOW SUPPLY CURRENT/AMPLI:
375μA� LOW INPUT BIAS CURRENT: 20nA� LOW INPUT OFFSET CURRENT:2nA� WIDE POWER SUPPLY RANGE:
SINGLE SUPPLY: +3V TO +30V
DUAL SUPPLIES: ±1.5V TO ±15V� ESD INTERNAL PROTECTION : 2kV
DESCRIPTION This circuit consists of four independent, high
gain, internally frequency compensated operation-
al amplifiers which were designed specially for au-
tomotive and industrial control systems. It oper-
ates from a single power supply over a wide range
of voltages. Operation from split power supplies is
also possible. All the pins are protected against
electrostatic discharges up to 2000v.
ORDER CODE
N = Dual in Line Package (DIP)
D = Small Outline Package (SO) - also available in Tape & Reel (DT)P = Thin Shrink Small Outline Package (TSSOP) - only availablein Tape & Reel (PT)
PIN CONNECTIONS (top view)
LM2902WLOW POWER QUAD OPERATIONAL AMPLIFIER
Sept 2003
LM2902W2/10
SCHEMATIC DIAGRAM (1/4 LM2902)
ABSOLUTE MAXIMUM RATINGS Short-circuit from the output to VCCcan cause excessive heating if VCC > 15V. The maximum output current is approximately 40mA independent ofthe magnitude of VCC. Destructive dissipation can result from simultaneous short-circuit on all amplifiers. This input current only exists when the voltage at any of the input leads is driven negative. It is due to the collector-base junction of the input PNPtransistor becoming forward biased and thereby acting as input diodes clamps. In addition to this diode action, there is also NPN parasitic action on
the IC chip. This transistor action can cause the output voltages of the Op-Amps to go to the VCC voltage level (or to ground for a large overdrive)for the time duration than an input is driven negative. This is not destructive and normal output will set up again for input voltage higher than -0.3V.
LM2902W3/10
ELECTRICAL CHARACTERISTICSVCC+ = 5V, Vcc- = Ground, VO = 1.4V, Tamb = 25°C (unless otherwise specified)
LM2902W4/10
VO = 1.4V, RS = 0Ω, 5V < VCC+ < 30V, 0V < Vic < VCC+ - 1.5V The direction of the input current is out of the IC. This current is essentially constant, independent of the state of the output, so no loading chargechange exists on the input lines The input common-mode voltage of either input signal voltage should not be allowed to go negative by more than 0.3V. The upper end of thecommon-mode voltage range is VCC+ –1.5V, but either or both inputs can go to +32V without damage. Due to the proximity of external components insure that coupling is not originating via stray capacitance between these external parts. This typically
can be detected as this type of capacitance increases at higher frequences.
LM2902W5/10
LM2902W6/10
TYPICAL SINGLE - SUPPLY APPLICATIONSAC COUPLED INVERTING AMPLIFIER
AC COUPLED NON-INVERTING AMPLIFIER
NON-INVERTING DC GAIN
