ISL28474 Intersil Corporation, ISL28474 Datasheet - Page 15

• Manufacturer Part Number: ISL28474
• Description: (ISL28274 / ISL28474) Rail-to-Rail Input-Output Instrumentation Amplifier and Precision Operational Amplifier
• Manufacturer: Intersil Corporation

Typical Performance Curves
Pin Descriptions
IA = Instrumentation Amplifier
(16 LD QSOP)
1, 9, 13, 14
ISL28274
IN-
10
11
12
15
16
2
3
4
5
6
7
8
CIRCUIT 1
(24 LD QSOP)
ISL28474
11, 14
10, 15
12, 13
1, 24
2, 23
3, 22
4, 21
5, 20
6, 19
8, 17
9, 16
18
7
V+
V-
IN+
15
FIGURE 61. V
IA OUT_1/2
IA FB+_1/2
PIN NAME
IA FB-_1/2
IA IN+_1/2
IA IN-_1/2
IA EN_1/2
OUT 1/2
IA OUT
IN+ 1/2
IA FB+
EN 1/2
IN- 1/2
IA FB-
IA IN+
IA IN-
IA EN
OUT
IN+
NC
EN
IN-
V+
V-
LOGIC
PIN
4.4
4.2
4.0
3.8
3.6
3.4
3.2
3.0
(Continued)
-40
n = 100
OU
-20
CIRCUIT 2
T LOW vs TEMPERATURE R
EQUIVALENT
ISL28274, ISL28474
CIRCUIT
Circuit 3
Circuit 1
Circuit 1
Circuit 1
Circuit 1
Circuit 2
Circuit 4
Circuit 2
Circuit 1
Circuit 1
Circuit 3
Circuit 4
0
TEMPERATURE (°C)
20
V+
V-
MAX
No internal connection
Instrumentation Amplifier output
Instrumentation Amplifier Feedback from non-inverting output
Instrumentation Amplifier Feedback from inverting output
Instrumentation Amplifier inverting input
Instrumentation Amplifier non-inverting input
Instrumentation Amplifier enable pin internal pull-down; Logic “1” selects
the disabled state; Logic “0” selects the enabled state.
Negative power supply
Amplifier enable pin with internal pull-down; Logic “1” selects the
disabled state; Logic “0” selects the enabled state.
Amplifier non-inverting input
Amplifier inverting input
Amplifier output
Positive power supply
40
MIN
60
CIRCUIT 3
80
L
= 100k. V
MEDIAN
100
V-
OUT
V+
S
120
= ±2.5V
DESCRIPTION
V+
V-
CIRCUIT 4
CAPACITIVELY
COUPLED
ESD CLAMP
December 13, 2006
FN6345.0