1112 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
1112 Datasheet PDF : 12 Pages
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LT1112/LT1114
TYPICAL APPLICATI
Dual Buffered ±0.617V Reference Powered by Two AA Batteries
15k
+
RX*
*OPTIONAL
1/2 LT1112
–
+1.5V
+0.617V
LT1004-1.2
100pF
1/2 LT1112
RY*
*OPTIONAL
–1.5V
20k
0.1%
20k
0.1%
TOTAL SUPPLY CURRENT = 700µA
WORKS WITH BATTERIES DISCHARGED
TO ±1.3V
AT ±1.5V: MAXIMUM LOAD CURRENT = 800µA;
CAN BE INCREASED WITH OPTIONAL RX, RY;
AT RX = RY = 750Ω LOAD CURRENT = 2mA
TEMPERATURE COEFFICIENT LIMITED BY
REFERENCE = 20ppm/°C
–0.617V
LT1112/14 • TA03
W
W
SCHE ATIC DIAGRA (1/2 LT1112, 1/4 LT1114)
V+
INVERTING
INPUT
–
NONINVERTING
INPUT
+
12pF 30k 30k
Q35 Q34
35µA
20µA
800Ω
30pF
4k
Q19
Q22
Q5
Q6
Q8
S
Q1
Q9
S
Q2
Q13
S
Q3
Q10
15µA
5µA
Q21
Q25
S
Q4
Q24
Q7
3k
Q11 Q23
50k 1.5k
J1
Q12
Q16
460Ω
10k
Q18
Q17
Q14
Q15
5µA
V–
460Ω
460Ω
80µA
1.5k
Q27
Q29
2.5k
Q20
Q28
Q26
Q33
28Ω
90Ω OUT
30Ω
Q32
Q30
Q31
200Ω
200Ω
Q1 TO Q4 ARE SUPERGAIN TRANSISTORS LT1112/14 • SD01
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of circuits as described herein will not infringe on existing patent rights.
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