LM111, LM211, LM311, LM311Y
DIFFERENTIAL COMPARATORS WITH STROBES
SLCS007A – SEPTEMBER 1973 – REVISED FEBRUARY 1992
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics at V
CC
±
=
±
15 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
LM311Y
TYP
UNIT
MIN
MAX
7.5
VIO
IIO
IIB
IIL(S)
Input offset voltage
See Note 5
2
mV
Input offset current
See Note 5
6
50
nA
Input bias current
VO = 1 V to 14 V
V(strobe) = 0.3 V,
100
250
nA
Low-level strobe current (see Note 6)
VID
≤
–10 mV
–3
mA
VICR
Common-mode input voltage range
13
to
–14.5
13.8
to
–14.7
V
AVD
IOH
Large-signal differential voltage amplification
VO = 5 V to 35 V,
Istrobe = –3 mA,
RL = 1 k
VID = 5 mV,
40
200
V/mV
High-level (collector) output current
VOH = 35 V
0.2
50
nA
VOL
Low-level (collector-to-emitter) output
voltage
IOL = 50 mA,
VID = –10 mV
0.75
1.5
V
ICC+
ICC–
Unless otherwise noted, all characteristics are measured with BALANCE and BAL/STRB open and the emitter output grounded.
NOTES:
5. The offset voltages and offset currents given are the maximum values required to drive the collector output up to 14 V or down to
1 V with a pullup resistor of 7.5 k
to VCC+. These parameters actually define an error band and take into account the worst-case
effects of voltage gain and input impedance.
6. The strobe should not be shorted to ground; it should be current driven at –3 mA to –5 mA (see Figures 13 and 27).
Supply current from VCC+, output low
Supply current from VCC–, output low
VID = –10 mV,
VID = 10 mV,
No load
5.1
7.5
mA
No load
–4.1
–5
mA
switching characteristics, V
CC
±
=
±
15 V, T
A
= 25
°
C
PARAMETER
TEST CONDITIONS
LM311Y
TYP
115
UNIT
MIN
MAX
Response time, low-to-high-level output
Response time, high-to-low-level output
RC= 500
RC = 500
to 5 V,
CL= 5 pF
CL = 5 pF,
See Note 7
ns
165
ns
NOTE 7: The response time specified is for a 100-mV input step with 5-mV overdrive and is the interval between the input step function and the
instant when the output crosses 1.4 V.