TLC4501 Datasheet, PDF (18/32 Pages) Texas Instruments – FAMILY OF SELF-CALIBRATING Self-CalE PRECISION CMOS RAIL-TO-RAIL OUTPUT OPERATIONAL AMPLIFIERS

TLC4501, TLC4501A, TLC4502, TLC4502A
FAMILY OF SELF-CALIBRATING (Self-Cal™)
PRECISION CMOS RAIL-TO-RAIL OUTPUT OPERATIONAL AMPLIFIERS
SLOS221A – MAY 1998 – REVISED JULY 1999
TYPICAL CHARACTERISTICS
PHASE MARGIN
vs
LOAD CAPACITANCE
90
75
Rnull = 50 Ω
60
Rnull = 20 Ω
45
30
15
50 kΩ
VI
0
10
50 kΩ
VDD ₊
Rnull
–
+
VDD _–
Rnull = 0
CL
100
1k
10 k
CL – Load Capacitance – pF
Figure 28
100 k
GAIN MARGIN
vs
LOAD CAPACITANCE
30
TA 25°C
25
20
15
Rnull = 50 Ω
Rnull = 20 Ω
10
5
Rnull = 0
0
10
100
1k
10 k
CL – Load Capacitance – pF
Figure 29
100 k
POWER SUPPLY REJECTION RATIO
vs
FREE-AIR TEMPERATURE
130
VDD = 4 V To 6 V
VIC = VO = VDD/2
125
120
115
110
105
100
–50 –25 0 25 50 75 100 125
TA – Free-Air Temperature – °C
Figure 30
CALIBRATION TIME AT – 40°C
0.5
0
–0.5
–1
–1.5
–2
–2.5
–3
0
VDD = 2.5 V
GND = –2.5 V
RL = 1 kΩ to GND
AV = –1
VI = 0
100 200 300 400 500 600 700 800 900 1000
t – Time – ms
Figure 31
18
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