Datasheet

  
   
SLOS018H − MAY 1988 − REVISED NOVEMBER 2004
20
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
APPLICATION INFORMATION
10 Ω
100 kΩ
0.1 µF
2 kΩ
4.7 µF
A
VD
= 50,000
+
−
LT1013
+
−
LT1001
24.3 kΩ
100 kΩ
0.1 µF
4.3 kΩ
2.2 µF
110 kΩ
22 µF
Oscilloscope
R
in
= 1 MΩ
NOTE A: All capacitor values are for nonpolarized capacitors only.
Figure 27. 0.1-Hz to 10-Hz Peak-to-Peak Noise Test Circuit
10 k
Ω
100 Ω
V
n
LT1013
+
−
I
n
+
[V
no
2
–(820 nV)
2
]
1ń2
40 MW 100
10 MΩ
†
10 MΩ
†
10 MΩ
†
10 MΩ
†
†
Metal-film resistor
Figure 28. Noise-Current Test Circuit
and Formula
50 kΩ
(see Note A)
15 V
−15 V
V
O
= 1000 V
IO
100 Ω
50 kΩ
(see Note A)
(see Note A)
+
−
LT1013
NOTE A: Resistors must have low thermoelectric potential.
Figure 29. Test Circuit for V
IO
and
a
V
IO