TLC2274-HT Datasheet, PDF (19/29 Pages) Texas Instruments – TLC2274-HT Advanced LinCMOS Rail-to-Rail Operational Amplifier

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Application Information (continued)
TLC2274-HT
SGLS416 – JANUARY 2015
3
V_{CC +}
RP
2
IN −
IN +
1
V_{CC −}
RSS
ISS
10
DP
J1
J2
+
VC
R2
−
53
11
12
DC
RD1
C1
RD2
VAD ⁺
−
4
60
DE
54
−+
VE
.SUBCKT TLC227x 1 2 3 4 5
C1
11
1214E−12
C2
6
760.00E−12
DC
5
53DX
DE
54
5DX
DLP 90
91DX
DLN 92
90DX
DP
4
3DX
EGND 99
0POLY (2) (3,0) (4,) 0 .5 .5
FB
99
0POLY (5) VB VC VE VLP VLN 0
+ 984.9E3 −1E6 1E6 1E6 −1E6
GA
6
011 12 377.0E−6
GCM 0 6 10 99 134E−9
ISS
3
10DC 216.OE−6
HLIM 90
0VLIM 1K
J1
11
210 JX
J2
12
110 JX
R2
6
9100.OE3
99
EGND ₊
9
+
VB
−
FB
−
C2
6
GCM
GA
DIN
RO2 ⁹⁰
HLIM
+ _DIP
−
7
+
VLIM
8−
91
+
VIP
−
92
−
VIN
+
RO1
5
OUT
RD1 60
112.653E3
RD2 60
122.653E3
R01
8
550
R02
7
9950
RP
3
44.310E3
RSS 10
99925.9E3
VAD 60
4−.5
VB
9
0DC 0
VC 3 53 DC .78
VE
54
4DC .78
VLIM 7
8DC 0
VLP
91
0DC 1.9
VLN 0
92DC 9.4
.MODEL DX D (IS=800.0E−18)
.MODEL JX PJF (IS=1.500E−12BETA=1.316E-3
+ VTO=−.270)
.ENDS
Figure 46. Boyle Macromodels and Subcircuit
8.2 Typical Application
The TLC2274 is designed to drive larger capacitive loads than most CMOS operational amplifiers. Figure 48 and
Figure 49 show its ability to drive loads up to 1000 pF while maintaining good gain and phase margins (Rnull =
0).
50 kΩ
VDD ₊
50 kΩ
VI
−
Rnull
+
CL
VDD _{−/ GND}
Figure 47. Typical Application Schematic
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