Datasheet

LM8272
SNOS515D –OCTOBER 2000–REVISED MARCH 2013 www.ti.com
12V Electrical Characteristics (continued)
Unless otherwise specified, all limited guaranteed for T
J
= 25°C, V
+
= 12V, V
−
= 0V, V
CM
= 6V, V
O
= 6V, and R
L
> 1MΩ to V
−
.
Boldface limits apply at the temperature extremes.
Symbol Parameter Condition Typ
(1)
Limit
(2)
Units
V
O
Output Swing R
L
10kΩ to V
+
/2 11.8 11.7
V
High
min
I
SOURCE
= 5mA 11.6 11.5
Output Swing R
L
= 10kΩ to V
+
/2 0.25 0.3
V
Low
max
I
SINK
= 5mA .40 .45
I
SC
Output Short Circuit Current Sourcing to V
−
130 110
V
ID
= 200mV
(5)
mA
min
Sinking to V
+
130 110
V
ID
= 200mV
(5)
I
OUT
Output Current V
ID
= ±200mV, V
O
= 1V from rails ±65 — mA
I
S
Supply Current (Both Channel) No load, V
CM
= 0.5V 1.9 2.4 mA
2.9 max
SR Slew Rate
(6)
A
V
= +1, V
I
= 10V
PP
, C
L
= 10pF 15 —
V/µs
A
V
= +1, V
I
= 10V
PP
, C
L
= 0.1µF 1 —
R
OUT
Close Loop Output Resistance A
V
= +1, f = 100KHz 3 — Ω
f
u
Unity Gain Frequency V
I
= 10mVp, R
L
= 2kΩ to V
+
/2 8 — MHz
GBWP Gain-Bandwidth Product f = 50KHz 15 — MHz
Phi
m
Phase Margin V
I
= 10mVp, R
L
= 2kΩ to V
+
/2 57 — Deg
GM Gain Margin V
I
= 10mVp, R
L
= 2kΩ to V
+
/2 20 — dB
−3dB BW Small Signal -3db Bandwidth A
V
= +1, R
L
= 2kΩ to V
+
/2 12.5 —
A
V
= +1, R
L
= 600Ω to V
+
/2 10.5 — MHz
A
V
= +10, R
L
= 600Ω to V
+
/2 1.0 —
e
n
Input-Referred Voltage Noise f = 2KHz, R
S
= 50Ω 15 — nV/√Hz
i
n
Input-Referred Current Noise f = 2KHz 1.4 — pA/√Hz
f
max
Full Power Bandwidth Z
L
= (20pF || 10kΩ) to V
+
/2 300 — KHz
THD+N Total Harmonic Distortion +Noise A
V
= +2, R
L
= 2kΩ to V
+
/2 0.02 — %
V
O
= 8V
PP
, V
S
= ±5V
CT Rej. Cross-Talk Rejection f = 5MHz, Driver R
L
= 10kΩ to V
+
/2 68 — dB
(5) Short circuit test is a momentary test. Output short circuit duration is infinite for VS ≤ 6V at room temperature and below. For VS > 6V,
allowable short circuit duration is 1.5ms.
(6) Slew rate is the slower of the rising and falling slew rates. Connected as a Voltage Follower.
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