Datasheet
SLOS197A − AUGUST1997 − REVISED MARCH 2001
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics at specified free-air temperature, V
DD
= 3 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
T
A
†
TLV2721C TLV2721I
UNIT
PARAMETER
TEST CONDITIONS
T
A
†
MIN TYP MAX MIN TYP MAX
UNIT
V
IO
Input offset voltage 0.5 3 0.5 3 mV
VIO
Temperature
coefficient of input
Full range
1
1
V/°C
α
VIO
coefficient of input
offset voltage
Full range
1 1 µV/°C
Input offset voltage
long-term drift
(see Note 4)
V
DD±
= ±1.5 V
,
V
O
= 0,
V
IC
= 0,
R
S
= 50 Ω
25°C
0.003 0.003 µV/mo
I
IO
Input offset current
O
S
25°C 0.5 60 0.5 60
pA
I
IO
Input offset current
Full range 150 150
pA
I
IB
Input bias current
25°C 1 60 1 60
pA
I
IB
Input bias current
Full range 150 150
pA
−0.3
−0.3
Common-mode input
25
°
C
0 to 2
−0.3
to 2.2
0 to 2
−0.3
to 2.2
V
ICR
Common-mode input
R
S
= 50 Ω
|V
IO
|≤5 mV
25°C
0 to 2
to 2.2
0 to 2
to 2.2
V
V
ICR
Common-mode input
voltage range
R
S
= 50 Ω, |V
IO
| ≤5 mV
0 to
0 to
V
V
ICR
voltage range
R
S
= 50 ,
|V
IO
| 5 mV
Full range
0 to
1.7
0 to
1.7
V
Full range
1.7 1.7
High-level output
I
OH
= −100 µA 25°C 2.97 2.97
V
OH
High-level output
voltage
I
OH
= −400 A
25°C 2.88 2.88
V
V
OH
voltage
I
OH
= −400 µA
Full range 2.6 2.6
V
Low-level output
V
IC
= 1.5 V, I
OL
= 50 µA 25°C 15 15
V
OL
Low-level output
voltage
V
IC
= 1.5 V,
I
OL
= 500 A
25°C 150 150
mV
V
OL
voltage
V
IC
= 1.5 V, I
OL
= 500 µA
Full range
500 500
mV
Large-signal
V = 1.5 V,
R
L
= 2 kΩ
‡
25°C 2 3 2 3
A
VD
Large-signal
differential voltage
V
IC
= 1.5 V,
V
O
= 1 V to 2 V
R
L
= 2 kΩ
‡
Full range 1 1
V/mV
A
VD
differential voltage
amplification
V
O
= 1 V to 2 V
R
L
= 1 MΩ
‡
25°C 250 250
V/mV
r
id
Differential input
resistance
25°C 10
12
10
12
Ω
r
ic
Common-mode input
resistance
25°C 10
12
10
12
Ω
c
ic
Common-mode input
capacitance
f = 10 kHz 25°C 6 6 pF
z
o
Closed-loop output
impedance
f = 10 kHz, A
V
= 10 25°C 90 90
Ω
CMRR
Common-mode
V
IC
= 0 to 1.7 V,
25°C 70 82 70 82
dB
CMRR
Common-mode
rejection ratio
V
IC
= 0 to 1.7 V,
V
O
= 1.5 V, R
S
= 50 Ω
Full range 65 65
dB
k
SVR
Supply voltage
rejection ratio
V
DD
= 2.7 V to 8 V,
25°C 80 95 80 95
dB
k
SVR
rejection ratio
(∆V
DD
/∆V
IO
)
V
DD
= 2.7 V to 8 V,
V
IC
= V
DD
/2, No load
Full range 80 80
dB
I
DD
Supply current
V
O
= 1.5 V,
No load
25°C 100 150 100 150
µA
I
DD
Supply current
V
O
= 1.5 V,
No load
Full range 200 200
µ
A
†
Full range for the TLV2721C is 0°C to 70°C. Full range for the TLV2721I is − 40°C to 85°C.
‡
Referenced to 1.5 V
NOTE 4: Typical values are based on the input offset voltage shift observed through 500 hours of operating life test at T
A
= 150°C extrapolated
to T
A
= 25°C using the Arrhenius equation and assuming an activation energy of 0.96 eV.