ISL28114 Datasheet, PDF (11/21 Pages) Intersil Corporation – Single, Dual, Quad General Purpose Micropower, RRIO Operational Amplifiers

ISL28114, ISL28214, ISL28414
En
Vin+
R21
500E3 ₂₈
Voltage Noise Stage
En
R22
5E11
R23
5E11
Vin-
V--
V9 _{29 DN}
D13
0.00035V
+ V1
1E-6V
2-
I2
5E-3
CinDiff
1.02pF
Cin1
1.26pF
R1 R2
Vc
+⁺
- _- Vmid
1.0004 1.0004
3
1
EOS
R3
R4
10
10
In+ _M14 5
9
M16
R5
4
10
6
11
M15
R7
1
8 10
M17
R6
10
12
R8
1
7
13
Cin2
I1
IOS
+_1E-6V
1.26pF
5E-3
25E-12
- ^V2
Input Stage
G1A
+
-
G2A
V++
RA1
1
DX
14
R9
D1
100 _DX
D2
RA2
1
R10
1E9
4
15
5
Vc
Vmid
V--
VCM
1^ST Gain Stage
V++
4
5
Vc
G1
+
-
D3
17 ^DX
+
V3
R11
- ^{0.61V 1}
16
Vmid
V--
VCM
V++
V+
Vg
Vmid
V-
R12
G2
1
+ _V4
18 ^{- 0.61V}
D4
DX
1^ST Gain Stage (Cont)
G7
V+
+₊
-^-
E2
+
-
ISY
300uA
- ^- E3
-
+₊
+
V-
V--
G8
G3
+
-
D5
636.658E3
19 ^DX
+
V5
R13
C2
- _0.604V 2.0nF
Vg
Vmid
G5
+
-
L1
21
Vc
1.9895
R15
1E6
V++
Vg
G4
0.604V
+ _V6
20 ^-
D6
DX
2^nd Gain Stage
C3
2.0nF
R14
636.658E3
E4
+₊
-^-
R16 Vmid
G6
1E6
22
L2
1.9895
V--
VCM
Mid Supply Ref Common Mode Gain Stage
C4
10pF
R17
2652.66
23
R18
2652.66
C3
10pF
D9
DX
26
D7 DX ₂₄
D8 DX ₂₅
D10
G11
DX
-
R19
27 _V7
+
50
0.08V
V8
0.08V
G12
VOUT
R20
50
D11 ⁺
DY
-
G9
+
D12
-
DY
G10
V_OUT
Supply Isolation Stage
Pole Stage
Output Stage
FIGURE 20. SPICE SCHEMATIC
11
FN6800.3
December 22, 2009