BUF600 Datasheet, PDF (12/14 Pages) Burr-Brown (TI) – HIGH-SPEED BUFFER AMPLIFIER

+5V
470nF
2.2µF
1
100Ω
8
120Ω ₃
4 _BUF601 8
V_O
V_I
DT
5
2
OPA660 ^+5V
R1
7
150Ω
5 _{+ DB}
6
4
1
–5V
100Ω
–5V
2.2µF
R₂
150Ω
470nF
R_Q
250Ω
–5V
G = +2 = 1 + ^R2
R₁
FIGURE 6. Inside a Feedback Loop of a Voltage Feedback Amplifier (BUF601 and OPA660).
+5V
470nF
2.2µF
100Ω
8
DT
3
2
+5V
1
V_O
150Ω
4 _BUF601 8
75Ω
V_O
R₂
5
240Ω
470nF
2.2µF
OPA660
2.2µF
10nF
470pF
–5V
R₁
42Ω
7
100Ω
V_I
5 _DB
6
4
75Ω
1
250Ω
470pF
10nF
2.2µF
G≈–
R₂
= –2.031 = ^VO
2 (R₁ + R_OUT)
V_I
–5V
FIGURE 7. Output Buffer for an Inverting RF-Amplifier (Direct Feedback).
®
BUF600, 601
12