LM3045 datasheet(3/6 Pages) NSC

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Electrical Characteristics (Continued)

Parameter

Conditions

Min

Typ

Max

Units

Low Frequency Noise Figure (NF)

f e 1 kHz VCE e 3V

325

IC e 100 mA RS e 1kX

LOW FREQUENCY SMALL SIGNAL EQUIVALENT CIRCUIT CHARACTERISTICS

Forward Current Transfer Ratio (hfe)f e 1 kHz VCE e 3V

110 (LM3045 LM3046)

IC e 1 mA

(LM3086)

Short Circuit Input Impednace (hie)

Open Circuit Output Impedance (hoe)

156

mho

Open Circuit Reverse Voltage Transfer Ratio (hre)

1 8x10b4

ADMITTANCE CHARACTERISTICS

Forward Transfer Admittance (Yfe)f e 1 MHz VCE e 3V

31 b j 15

Input Admittance (Yie)

IC e 1mA

03aJ 004

Output Admittance (Yoe)

0001aj 003

Reverse Transfer Admittance (Yre)

See Curve

Gain Bandwidth Product (fT)VCE e 3V IC e 3 mA

300

550

Emitter to Base Capacitance (CEB)VEB e 3V IE e 0

Collector to Base Capacitance (CCB)VCB e 3V IC e 0

058

Collector to Substrate Capacitance (CCI)VCS e 3V IC e 0

Typical Performance Characteristics

Temperature for Each

Cutoff Current vs Ambient

Typical Collector To Base

Transistor

Temperature for Each

Cutoff Current vs Ambient

Typical Collector To Emitter

Transistor

Beta Ratio for Transistors Q1

and Q2 vs Emitter Current

Current-Transfer Ratio and

Typical Static Forward

TLH7950 – 2

Q1 Q2 vs Collector Current

for Matched Transistor Pair

Typical Input Offset Current

Offset Voltage for Differential

Voltage Characteristic and Input

Typical Static Base To Emitter

Transistors vs Emitter Current

Pair and Paired Isolated

TLH7950 – 3

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