LT1014 Datasheet, PDF (21/30 Pages) Texas Instruments – QUAD PRECISION OPERATIONAL AMPLIFIERS

5V
Q3
2N2905
68 Ω
LT1014, LT1014A, LT1014D
QUAD PRECISION OPERATIONAL AMPLIFIERS
SLOS039C – JULY 1989 – REVISED SEPTEMBER 1999
APPLICATION INFORMATION
SN74HC04 (6)
820 Ω
Q1
2N2905
T1‡
10 µF
+
1N4002 (4)
10 µF
+
0.002 µF
10 kΩ
0.33 µF
10 kΩ 10 kΩ
Q4
2N2222
2 kΩ
100 pF
5V
±
1/4
LT1014
+
4 kΩ^†
10 kΩ^†
4.3 kΩ
5V
1 kΩ
4-mA
Trim
LT1004
1.2 V
820 Ω
100 kΩ
Q2
2N2905
±
1/4
LT1014
+
IN
0 to 4 V
10 Ω^†
10 kΩ^†
20-mA
Trim
80 Ω^†
100 Ω^†
4-mA to 20-mA OUT
To Load
2.2 kΩ Max
† _{1% film resistor. Match 10-kΩ resistors 0.05%.}
‡ _{T1 = PICO-31080}
Figure 30. 5-V Powered, 4-mA to 20-mA Current-Loop Transmitter With 12-Bit Accuracy
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