U440-E3 Datasheet, PDF (6/7 Pages) Vishay Siliconix – Matched N-Channel JFET Pairs

U440/441
Vishay Siliconix
TYPICAL CHARACTERISTICS (T_A = 25_C UNLESS OTHERWISE NOTED)
Equivalent Input Noise Voltage vs. Frequency
50
V_DS = 10 V
40
Output Conductance vs. Drain Current
150
V_GS(off) = –5 V
120
V_DS = 10 V
f = 1 kHz
30
I_D = 1 mA
20
T_A = –55_C
90
25_C
60
10
I_D = 10 mA
0
10
100
1k
10 k
f – Frequency (Hz)
100 k
On-Resistance and Output Conductance
vs. Gate-Source Cutoff Voltage
200
200
g_os
160
160
120
120
80
40
0
0
r_DS
r_DS @ I_D = 1 mA, V_GS = 0 V
g_os @ V_DS = 10 V, V_GS = 0 V
f = 1 kHz
–2
–4
–6
–8
V_GS(off) – Gate-Source Cutoff Voltage (V)
80
40
0
–10
30
125_C
0
0.1
1
10
I_D – Drain Current (mA)
Common-Source Forward Transconductance
vs. Drain Current
10
V_GS(off) = –5 V
V_DS = 10 V
f = 1 kHz
8
T_A = –55_C
6
25_C
4
125_C
2
0
0.1
1
10
I_D – Drain Current (mA)
www.vishay.com
8-6
Document Number: 70251
S-04031—Rev. D, 04-Jun-01