LTC1541CMS8 Linear Technology, LTC1541CMS8 Datasheet - Page 8

• Manufacturer Part Number: LTC1541CMS8
• Description: IC OPAMP/COMP/REF MICRPWR 8MSOP
• Manufacturer: Linear Technology
• Type: Amplifier, Comparator, Referencer

Specifications of LTC1541CMS8

• Applications: General Purpose
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

BLOCK DIAGRA S
PI FU CTIO S
LTC1541/LTC1542
AMPOUT (Pin 1): Op Amp Output. The output can swing
from rail-to-rail while driving a capacitive load of up to
1000pF. The output can source and sink 0.7mA (min).
AMPIN
common mode ranges from V
current is typically 10pA at 25°C.
AMPIN
common mode ranges from V
current is typically 10pA at 25°C.
V
COMPIN
input common mode ranges from V
input current is typically 10pA at 25°C.
TYPICAL PERFOR A CE CHARACTERISTICS
8
SS
U
(Pin 4): Negative Supply or Ground Connection.
–
+
1
2
3
4
(Pin 3): Noninverting Input of Op Amp. The input
+
(Pin 2): Inverting Input of Op Amp. The input
AMPOUT
AMPIN
AMPIN
V
U
(Pin 5): Noninverting Input of Comparator. The
SS
–
+
OP AMP
U
+
–
LTC1541
W
W
SS
SS
to (V
to (V
U
COMP
SS
×1
CC
CC
to (V
– 1.3V). The input
– 1.3V). The input
–
+
120
100
–20
–40
COMPOUT
CC
COMPIN
80
60
40
20
0
10
LTC1541 BD
– 1.3V). The
Op Amp Open-Loop Gain and
Phase vs Frequency
V
REF
CC
+
V
V
R
CC
SS
LOAD
8
7
6
5
= 5V
= GND
100
= 100kΩ
FREQUENCY (Hz)
1k
GAIN
REF (Pin 6) (LTC1541): Reference Output. V
±1% over industrial temperature range, and is also con-
nected to inverting comparator input internally. This de-
vice can source up to 2mA and sink up to 20µA. The output
can drive a bypass capacitor of up to 0.01µF without
oscillation.
COMPIN
tor. The input common mode ranges from V
(V
COMPOUT (Pin 7): Comparator Output. The output can
source 20mA and sink 5mA.
V
bypass capacitors are not required if the supply impedance
is low. For single supply applications, it is a good general
practice to bypass V
10k
CC
CC
PHASE
(Pin 8): Positive Supply, 2.5V ≤ V
– 1.3V). The input current is typically 10pA at 25°C.
100k
1
2
3
4
–
AMPOUT
AMPIN
AMPIN
V
(Pin 6) (LTC1542): Inverting Input of Compara-
SS
1M
–
+
1541/42 TPC13
0
–45
–90
–135
–180
–225
–270
–315
–360
OP AMP
CC
+
–
with a 0.1µF capacitor to ground.
LTC1542
COMP
CC
≤ 12.6V. The supply
–
+
COMPOUT
COMPIN
COMPIN
LTC1541 BD2
V
CC
REF
–
+
8
7
6
5
= 1.2V
SS
15412fd
to