TC1043 Datasheet, PDF (14/20 Pages) Microchip Technology – Linear Building Block . Low Power Voltage Reference with Dual Op Amp, Dual Comparator, and Shutdown Mode

TC1043
TYPICAL CHARACTERISTICS (CONTINUED)
Op-Amp DC Open-Loop Gain
vs. Supply Voltage
140
Op-Amp DC Open-Loop Gain
vs. Temperature
3000
120
2500
100
2000
80
1500
60
40
1000
20
500
0
0.0 1.0 2.0 3.0 4.0 5.0 6.0
SUPPLY VOLTAGE (V)
0
-40°C
25°C
TEMPERATURE (°C)
85°C
Op-Amp Short-Circuit Current
vs. Supply Voltage
50
45
40
35
30
25
I_SINK
20
15
10
5
0
0.0 1.0 2.0 3.0 4.0 5.0 6.0
SUPPLY VOLTAGE (V)
Op-Amp Short-Circuit Current
vs. Supply Voltage
0
-5
-10
-15
-20
I_SRC
-25
-30
-35
0.0
1.0 2.0 3.0 4.0 5.0 6.0
SUPPLY VOLTAGE (V)
Op-Amp Load Resistance
vs. Load Capacitance
1000
10% Overshoot
V
V = 1.5V
100
Region of Marginal Stability
10 ^{Region of Stable Operation}
1
0 250 500 750 1000 12501500 1750 2000
Op-Amp Small-Signal
Transient Response
100
50
0
100
50
0
10 20 30 40 50 60 70 80 90
TIME (µsec)
Large-Signal
Transient Response
6
4
2
0
6
4
2
0
10 20 30 40 50 60 70 80 90
TIME (µsec)
Op-Amp Power Supply Rejection
Ratio (PSRR) vs. Frequency
0
V_DD = 3V
-10 ^VCM ^{= 1.5V}
V_{IN =} 100mV_PP
-20
-30
-40
-50
-60
-70
100
1K
10K
FREQUENCY (Hz)
100K
DS21347B-page 14
© 2002 Microchip Technology Inc.