ISL28218 INTERSIL [Intersil Corporation], ISL28218 Datasheet - Page 20

• Manufacturer Part Number: ISL28218
• Description: 40V Precision Single-Supply, Rail-to-Rail Output, Low-Power
• Manufacturer: INTERSIL [Intersil Corporation]

Vin+
GAIN = 1.69138e-3
Vin-
GAIN = 1.69138e-3
+
+
+
+
-
-
G4
G4
-
-
0
2nd Gain Stage
-0.91
-0.96
0.1
0.1
V7
750
750
R17
R17
16
17
GAIN = 0.3
GAIN = 0.3
V3
V3
1
2
V4
V4
D5
D5
D6
D6
D13
D13
3.7304227e9
3.7304227e9
En
En
R7
Vg
4
3
0.1
0.1
D14
D14
750
750
R18
R18
V8
Mid Supply ref V
6.6667E-11
6.6667E-11
6.6667E-11
6.6667E-11
C1
C1
C2
C2
GAIN = 0.5
Vmid
+
+
- -
-
0
- +
+
5e11
5e11
5e11
5e11
R2
R1
GAIN = 1
GAIN = 1
+
G5
+
+
-
-
G6
G6
-
-
5
Vcm
0
Common Mode
Gain Stage
with Zero
Cin2
4.02e-12
CinDif
1.33E-12
3.18319E-09
18
20
L1
3.18319E-09
GAIN = 1
1e-3
L2
R9
R10
1e-3
19
E2
E2
+
+
-
-
GAIN = 1
GAIN = 1
V--
- +
- +
+
+
-
-
G8
G8
+
-
-
Cin1
4.02e-12
4.02e-12
IOS
IOS
4e-9
21
Vc
22
L3
L3
3.18319E-09
3.18319E-09
3.18319E-09
3.18319E-09
1e-3
PNP_LATERAL
R11
R11
1e-3
1e-3
R12
R12
L4
L4
V-
0
2.5E-3
V+
FIGURE 64. SPICE SCHEMATIC
V++
GAIN = 1
E3
+
-
-
- +
- +
ISY
ISY
Q8
Q8
I2
I2
54E-6
7
PNP_input
8
V--
Q7
Q7
R3
R3
1k
V++
GAIN = 1.2566e-3
GAIN = 1.2566e-3
Input Stage
D1DBREAK
D2DBREAK
6
V--
+
+
G9
+
+
-
-
G10
G10
-
-
9
I1
I1
80e-6
PNP_input
23
R14
Q6
Q6
R13
795.7981
795.7981
795.7981
10e-12
10e-12
10e-12
10e-12
11
C3
C3
C4
C4
10
R4
R4
1k
Q9
Q9
D7
D7
DX
DX
Output Stage
PNP_LATERAL
PNP_LATERAL
D8
D8
I3
I3
54E-6
DX
DX
D9
D9
V--
24
25
GAIN = 12.5e-3
G11
+
+
-
-
12
Correction Current Sources
26
D10
D10
GAIN = 1
EOS
EOS
- + + -
- + + -
G12
+
+
-
-
GAIN = 12.5e-3
GAIN = 12.5e-3
27
1st Gain Stage
D11
D11
V++
-0.91
-0.96
D12
D12
13
15
V1
V1
V2
V2
14
D3
D3
D4
D4
G1
G1
+
-
-
GAIN = 0.65897
GAIN = 0.65897
G2
G2
-
-
G
G AIN = 0.65897
G
G AIN = 0.65897
V5
V5
-0.4
-0.4
-0.4
V6
V6
R5
R6
1 1
1 1
GAIN = 12.5e-3
GAIN = 12.5e-3
V--
G13
G14
+ -
+
-
-
-
R15
Vout
VOUT
R16
80
80