Datasheet
TLC225x, TLC225xA
Advanced LinCMOS RAIL-TO-RAIL
VERY LOW-POWER OPERATIONAL AMPLIFIERS
SLOS176D – FEBRUARY 1997 – REVISED MARCH 2001
21
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
operating characteristics at specified free-air temperature, V
DD±
= ±5 V
PARAMETER
TEST CONDITIONS
T
†
TLC2254I TLC2254AI
UNIT
PARAMETER
TEST
CONDITIONS
T
A
†
MIN TYP MAX MIN TYP MAX
UNIT
V
O
= ±19V
R
L
= 100 kΩ
25°C 0.07 0.12 0.07 0.12
SR Slew rate at unity gain
V
O
=
±1
.
9
V
,
C
L
= 100 pF
R
L
=
100
kΩ
,
Full
range
0.05 0.05
V/µs
V
Equivalent input noise
f = 10 Hz 25°C 38 38
nV/√Hz
V
n
q
voltage
f = 1 kHz
25°C 19 19
n
V/√H
z
V
N(PP)
Peak-to-peak
equivalent in
p
ut noise
f = 0.1 Hz to 1 Hz 25°C 0.8 0.8
µV
V
N(PP)
equ
i
va
l
en
t
i
npu
t
no
i
se
voltage
f = 0.1 Hz to 10 Hz
25°C 1.1 1.1
µ
V
I
n
Equivalent input noise
current
25°C 0.6 0.6
fA/√Hz
THD+N
Total harmonic
V
O
= ±2.3 V,
R
L
50 kΩ
A
V
= 1
25°C
0.2% 0.2%
THD
+
N
distortion plus noise
R
L
=
50
kΩ
,
f = 20 kHz
A
V
= 10
25°C
1% 1%
Gain-bandwidth product
f =10 kHz,
C
L
= 100 pF
R
L
= 50 kΩ,
25°C 0.21 0.21 MHz
B
OM
Maximum output-swing
bandwidth
V
O(PP)
= 4.6 V,
R
L
= 50 kΩ,
A
V
= 1,
C
L
= 100 pF
25°C 14 14 kHz
φ
m
Phase margin at unity
gain
R
L
= 50 kΩ, C
L
= 100 pF
25°C 63° 63°
Gain margin
L
L
25°C 15 15 dB
†
Full range is –40°C to 125°C.