TP2121/TP2121N/TP2122/TP2124
1.8V, 600nA Nanopower, Rail-to-Rail Input/Output Op-amps
Typical Performance Characteristics
Over-Shoot Voltage, CLOAD = 40nF, Gain = +1, RFB=100kΩ
Over-Shoot % vs. CLOAD, Gain = +1, RFB = 1MΩ
2.6
60%
Gain = +1
VIN Step = 200mV
50%
40%
30%
20%
10%
0%
2.55
Overshoot
2.5
2.45
2.4
Gain = +1
VIN Step = 100mV
CLOAD = 40nF
Undershoot
2
4
6
8
10
1E+1
1E+2
1E+3
1E+4
1E+5
1E+6
1E+7
2ms/div
Load Capacitance (pF)
Over-Shoot Voltage, CLOAD=40nF, Gain= -1, RFB=100kΩ
Over-Shoot % vs. CLOAD, Gain = -1, RFB = 1MΩ
60%
2.6
Gain = -1
50%
VIN Step = 200mV
Undershoot
2.55
40%
30%
20%
10%
0%
Gain = -1
IN Step = 100mV
CLOAD = 40nF
2.5
2.45
2.4
V
Overshoot
6
8
10
12
14
1E+0
1E+2
1E+4
1E+6
Load Capacitance (pF)
2ms/div
Power-Supply Rejection Ratio
VIN = -0.2V to 5.7V, No Phase Reversal
80
60
40
20
0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
-1.0
PSRRP
PSRRN
0
10
20
30
40
50
60
1E-3
1E-2
1E-1 1E+0 1E+1 1E+2 1E+3 1E+4 1E+5
Frequency (Hz)
TIME (ms)
REV1.2
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