參數(shù)資料
型號(hào)： MAX7490EEE
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 運(yùn)動(dòng)控制電子
英文描述： Dual Universal Switched-Capacitor Filters
中文描述： DUAL SWITCHED CAPACITOR FILTER, BUTTERWORTH/BESSEL/ELLIPTIC, UNIVERSAL, PDSO16
封裝： 0.150 INCH, 0.025 INCH PITCH, QSOP-16
文件頁(yè)數(shù)： 5/18頁(yè)
文件大?。?/td> 343K
代理商： MAX7490EEE
M
Dual Universal Switched-Capacitor Filters
_______________________________________________________________________________________
5
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
POWER REQUIREMENTS
Supply Voltage
V
DD
2.7
3.6
V
Power-Supply Current
I
DD
No load, mode 1, R1 = R3 = 50k
,
R2 = 10k
, Q = 5
SHDN
= GND
3.5
4.0
mA
Shutdown Current
INTERNAL OP AMPS CHARACTERISTICS
Output Short-Circuit Current
DC Open-Loop Gain
Gain Bandwidth Product
Slew Rate
I
SHDN
1
μ
A
±
11
130
7
6
mA
dB
MHz
V/
μ
s
R
L
≥
10k
, C
L
≤
50pF
R
L
≥
10k
, C
L
≤
50pF
R
L
≥
10k
, C
L
≤
50pF
GBW
SR
Note 1:
Resistive loading of the N_/HP_, LP_, BP_ outputs includes the resistors used for the filter implementation.
Note 2:
Crosstalk between internal filter sections is measured by applying a 1V
RMS
10kHz signal to one bandpass filter section input
and grounding the input of the other bandpass filter section. The crosstalk is the ratio between the output of the grounded
filter section and the 1V
RMS
input signal of the other section.
Note 3:
Bandwidth of noise measurement is 80kHz.
Note 4:
f
OSC
(kHz) = 135 x 10
3
/ C
OSC
(C
OSC
in pF)
ELECTRICAL CHARACTERISTICS
—
MAX7491 (continued)
(V
DD
= EXTCLK = +3V, f
CLK
= 625kHz, T
A
= T
MIN
to T
MAX
, 10k
|| 50pF load to V
DD
/2 at LP_, BP_, and N_/HP_,
SHDN
= V
DD
, 0.1μF
from COM to GND, 50% duty-cycle clock input, COM = V
DD
/2. Typical values are at T
A
= +25
°
C, unless otherwise noted.) (Note 1)
Typical Operating Characteristics
(V
DD
= +5V for MAX7490, V
DD
= +3V for MAX7491, f
CLK
= 625kHz,
SHDN
= EXTCLK = V
DD
, COM = V
DD
/2, Mode 1, R3 = R1 = 50k
,
R2 = 10k
, Q = 5, T
A
= +25
°
C, unless otherwise noted.)
10
-60
1
10
100
2ND-ORDER BANDPASS FILTER
FREQUENCY RESPONSE
-50
M
FREQUENCY (kHz)
G
-30
-40
-10
-20
0
300
0
1
10
100
2ND-ORDER BANDPASS FILTER
PHASE RESPONSE
50
M
FREQUENCY (kHz)
P
100
200
150
250
V
DD
= +5V
f
CLK
= 625kHz
Q
0
-0.8
100
1000
10,000
f
/f
O
DEVIATION vs. f
CLK
-0.7
M
f
CLK
(kHz)
f
C
/
O
D
-0.6
-0.2
-0.3
-0.4
-0.5
-0.1
V
DD
= 5V
V
DD
= 3V
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX7490EEE+ 功能描述:有源濾波器 Dual Universal Switched-Cap RoHS:否 制造商:Maxim Integrated 通道數(shù)量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
MAX7490EEE+T 功能描述:有源濾波器 Dual Universal Switched-Cap RoHS:否 制造商:Maxim Integrated 通道數(shù)量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
MAX7490EEE-T 功能描述:有源濾波器 RoHS:否 制造商:Maxim Integrated 通道數(shù)量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
MAX7491CEE 功能描述:有源濾波器 RoHS:否 制造商:Maxim Integrated 通道數(shù)量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
MAX7491CEE+ 功能描述:有源濾波器 Dual Universal Switched-Cap RoHS:否 制造商:Maxim Integrated 通道數(shù)量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風(fēng)格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube
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