參數資料
型號: MAX408ACSA
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 運動控制電子
英文描述: Single/Dual/Quad High-Speed, Fast-Settling, High Output Current Operational Amplifier
中文描述: OP-AMP, 10000 uV OFFSET-MAX, 100 MHz BAND WIDTH, PDSO8
封裝: SOIC-8
文件頁數: 7/12頁
文件大小: 146K
代理商: MAX408ACSA
___________Applic ation Information
AC Charac teristic s
The 35MHz 10dB crossover point of the MAX408/
428/448 is achieved without feed forward compensa-
tion, a technique which can produce long tails in the
recovery characteristic. The single pole rolloff follows
the classic 20dB/decade slope to frequencies
approaching 50MHz. The 10dB (3.2V/V) phase margin
of 50°, even with a capacitive load of 50pF, gives stable
and predictable performance down to non-inverting
gain configurations of approximately 3V/V (inverting
gains of -2V/V). At frequencies beyond 50MHz, the
20dB/decade slope is disturbed by an output stage
zero, the damping factor of which is dependent upon
the R
L
, C
L
load combination. This results in loss of gain
M
S ingle/Dual/Quad High-S peed, Fast-S ettling,
High Output Current Operational Amplifier
_______________________________________________________________________________________
7
e
IN
1k
2k
2k
300
e
S = SETTLE VOLTAGE
150
R
L
+1V
-1V
2V
±4mV OF
FINAL VALUE
SETTLING
TIME
-2V
10%
SLEW RATE
90%
C
L
10pF
e
O
e
IN
e
OUT
e
o
e
o
e
s
e
IN
OV
OV
OV
OV
Figure 1A. Settling Time and Slew Rate Test Circuit
Figure 1B. Large Signal Response
Figure 1C. Small Signal Response
Note that to properly measure e
s
, amplifier and settle resistor ratios should be matched to 0.5% and probe capacitance
35pF
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