LTC1541 LINER [Linear Technology], LTC1541 Datasheet - Page 8

• Manufacturer Part Number: LTC1541
• Description: Micropower Op Amp, Comparator and Reference
• Manufacturer: LINER [Linear Technology]

LTC1541/LTC1542
PIN
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.
BLOCK DIAGRA S
8
SS
U
(Pin 4): Negative Supply or Ground Connection.
FUNCTIONS
–
+
(Pin 3): Noninverting Input of Op Amp. The input
+
(Pin 2): Inverting Input of Op Amp. The input
(Pin 5): Noninverting Input of Comparator. The
U
U
W
SS
SS
to (V
to (V
1
2
3
4
1
2
3
4
SS
AMPOUT
AMPIN
AMPIN
V
AMPOUT
AMPIN
AMPIN
V
SS
SS
CC
CC
to (V
– 1.3V). The input
– 1.3V). The input
–
+
–
+
CC
– 1.3V). The
OP AMP
OP AMP
+
–
+
–
LTC1541
LTC1542
REF (Pin 6) (LTC1541): Reference Output. V
nected to inverting comparator input internally. This de-
vice can source up to 2mA and sink up to 20 A. The output
can drive a bypass capacitor of up to 0.01 F 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
CC
1% over industrial temperature range, and is also con-
CC
COMP
(Pin 8): Positive Supply, 2.5V V
COMP
– 1.3V). The input current is typically 10pA at 25 C.
1
–
–
+
(Pin 6) (LTC1542): Inverting Input of Compara-
–
+
COMPOUT
COMPOUT
COMPIN
COMPIN
COMPIN
LTC1542 • BD
LTC1541 • BD
V
REF
V
CC
CC
CC
–
+
+
with a 0.1 F capacitor to ground.
8
7
6
5
8
7
6
5
CC
12.6V. The supply
REF
= 1.2V
SS
to