LMH6601_14 Datasheet, PDF (30/37 Pages) National Semiconductor (TI) – LMH6601/LMH6601Q 250 MHz, 2.4V CMOS Operational Amplifier with Shutdown

LMH6601, LMH6601-Q1
SNOSAK9E – JUNE 2006 – REVISED MARCH 2013
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Table 4. LMH6601 Step Response Summary for the Circuit of Figure 63
C_L
R_S
C_F
(pF)
(Ω)
(pF)
10
0
1
50
0
1
110
47
1
300
6
10
500
80
10
910
192
10
t_rise/ t_fall
(ns)
6 ⁽¹⁾
7 ⁽¹⁾
10
12
33
65
Overshoot
(%)
8
6
16
20
10
10
(1) Response limited by input step generator rise time of 5 ns
Figure 64 shows the increase in rise/fall time (bandwidth decrease) at V_OUT with larger capacitive loads,
illustrating the trade-off between the two:
70
60
50
40
30
20
10
0
10
100
CAP LOAD C_L (pF)
1000
Figure 64. LMH6601 In-Loop Compensation Response
EVALUATION BOARD
Texas Instruments provides the following evaluation board as a guide for high frequency layout and as an aid in
device testing and characterization. Many of the datasheet plots were measured with this board:
Device
LMH6601MG
Package
SC70-6
Board Part #
LMH730165
30
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