![](/html/7b/7bc8/7bc805718e93f074c2c8cce4d65ee8c9d7e8de9f8a57015ee9ce3b3a0b4b9471/bg1.png)
1/9
■ VERY LOW POWER CONSUMPTION :
10µA/op
■ OUTPUT VOLTAGE CAN SWING TO
GROUND
■ EXCELLENT PHASE MARGIN ON
CAPACITIVE LOADS
■ STABLE AND LOW OF FSET VOLTAGE
■ THREE INPUT OFFSET VOLTAGE
SELECTIONS
DESCRIPTION
These devices are low cost, low power quad operational amplifiers designed to operate with single
or dual supplies. These operational amplifiers use
the ST silicon gate CMOS process allowing an excellent consumption-speed ratio. These series are
ideally suited for low consumption applications.
Three power consumpt ions are av ailable a llowing
to have always the best consumption-speed ratio:
❑ I
CC
= 10µA/amp.: TS27L4 (very low power)
❑ I
CC
= 150µA/amp.: TS27M4 (low power)
❑ I
CC
= 1mA/amp.: TS274 (standard)
These CMOS amplifiers offer very high input impedance and extremely low input currents. The
major advantage versus JFET devices is the very
low input currents drift with temperature (see figure 2 ).
ORDER CODE
N = Dual in Line Package (DIP)
D = Small Outline Package (SO) - also available in Tape & Reel (DT)
P = Thin Shrink Small Outline Package (TSSOP) - only available
in Tape & Reel (PT)
* TS27L4BID : For deli very informati on, please cont act your ST sal es
representative or distributor.
PIN CONNECTIONS (top view)
Part Number Temperature Range
Package
NDP
TS27L4C/AC/BC 0°C, +70°C
•••
TS27L4I/AI/BI* -40°C, +125°C
•••
TS27L4M/AM/BM -55°C, +125°C
•••
Example : TS27L4ACN
N
DIP14
(Plastic Package)
D
SO14
(Plastic Micropackage)
P
TSSOP14
(Thin Shrink Small Outline Package)
Inverting Input 2
Non-inverting Input 2
Non-inverting Input 1
CC
V
-
CC
V
1
2
3
4
8
5
6
7
9
10
11
12
13
14
+
Output 3
Output 4
Non-inverting Input 4
Inverting Input 4
Non-inverting Input 3
Inverting Input 3
-
+
+
-
+
-
+
Output 1
Inverting Input 1
Output 2
TS27L4C,I,M
PRECISION VERY LOW POWER CMOS
QUAD OPERATIONAL AMPLIFIER
June 2003
![](/html/7b/7bc8/7bc805718e93f074c2c8cce4d65ee8c9d7e8de9f8a57015ee9ce3b3a0b4b9471/bg2.png)
TS27L4C,I,M
2/9
BLOCK DIAGRAM
ABSOLUTE MAXIMUM RATINGS
OPERATING CONDITIONS
E
E
Input
differential
Second
stage
Output
stage
Output
CC
V
CC
V
Current
source
x I
Symbol Parameter TS27L4C/AC/BC TS27L4I/AI/BI TS27L4M/AM/BM Unit
V
CC
+
Supply Voltage
1)
18 V
V
id
Differential Input Voltage
2)
±18 V
V
i
Input Voltage
3)
-0.3 to 18 V
I
o
Output Current for V
CC
+
≥ 15V
±30 mA
I
in
Input Current ±5 mA
T
oper
Operating Free-Air Temperature Range 0 to +70 -40 to +125 -55 to +125 °C
T
stg
Storage Temperature Range -65 to +150 °C
1. All values, except differential voltage are with respect to network ground terminal.
2. Dif ferential voltages are the non-inv erting input terminal with respec t to t he i nverting i nput terminal .
3. The magnitud e of the input an d the output voltages must never excee d the magnit ude of the posi tive suppl y v ol tage.
Symbol Parameter Value Unit
V
CC
+
Supply Voltage 3 to 16 V
V
icm
Common Mode Input Voltage Range
0 to V
CC
+
- 1.5
V
![](/html/7b/7bc8/7bc805718e93f074c2c8cce4d65ee8c9d7e8de9f8a57015ee9ce3b3a0b4b9471/bg3.png)
TS27L4C,I,M
3/9
SCHEMATIC DIAGRAM (for 1/4 TS27L4)
T
T
25
2
T
17 18
R
T
20
T
21
T
T
23
22
Input
Output
T
24
T
19
V
CC
V
CC
T
26
T
27
T
28
T
29
Input
T
3
T
4
T
5
T
2
T
1
R1
C1
T
7
T
6
T
8
T
9
T
13
T
14
T
11
T
12
T
10
T
16
T
15