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參數(shù)資料
型號: MAX271CWG+
廠商: Maxim Integrated Products
文件頁數(shù): 11/16頁
文件大小: 0K
描述: IC FILTER LOWPASS PROG 24-SOIC
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 30
濾波器類型: 連續(xù)時(shí)間低通
頻率 - 截止或中心: 25kHz
濾波器數(shù): 2
濾波器階數(shù): 2nd
電源電壓: 4.74 V ~ 16 V,±2.37 V ~ 8 V
安裝類型: 表面貼裝
封裝/外殼: 24-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 24-SOIC W
包裝: 管件
4
Maxim Integrated
Digitally-Programmed, Dual
2nd-Order Continuous Lowpass Filter
MAX270/MAX271
TIMING CHARACTERISTICS (Figure 2)
(V+ = +5V, V- = -5V; TA = +25NC, unless otherwise noted.)
Note 11: All input control signals specified with tr = tf = 5ns (10% to 90% of +5V) and timed from a +1.6V voltage level.
Typical Operating Characteristics
FILTER GAIN vs. FREQUENCY
MAX270
toc01
fIN (Hz)
GAIN
(dB)
100k
10k
-60
-40
-20
0
-80
1k
1M
V+ = +5V
V- = -5V
fC CODE = 127 (25kHz TYP)
TA = +25C
FILTER GAIN vs. FREQUENCY
(NORMALIZED TO CUTOFF FREQUENCY)
MAX270
toc02
fIN/fC
GAIN
(dB)
10
1.0
-60
-40
-20
0
-80
0.1
100
V+ = +5V
V- = -5V
fC CODE = 0-127 (1-25kHz TYP)
TA = +25C
MAX270
toc03
fIN/fC
GAIN
(dB)
100
10
-2
-1
0
0.5
-3
11k
V+ = +5V
V- = -5V
fC CODE = 0 (1kHz TYP)
TA = +125C
TA = +25C
TA = -55C
PASSBAND FILTER GAIN
vs. FREQUENCY
PASSBAND FILTER GAIN
vs. FREQUENCY
MAX270
toc04
fIN (Hz)
GAIN
(dB)
1k
10k
100
-2
-1
0
0.5
-3
25
25k
V+ = +5V
V- = -5V
fC CODE = 127 (25kHz TYP)
TA = +125C
TA = +25C
TA = -55C
MAX270
toc05
fIN/fC
GAIN
(dB)
0.1
0.01
-2
-1
0
+0.5
-3
0.001
1.0
PASSBAND FILTER GAIN vs. FREQUENCY
(NORMALIZED TO CUTOFF FREQUENCY)
V+ = +5V
V- = -5V
fC CODE = 0-127 (1-25kHz TYP)
TA = +25C
MAX270
toc06
fIN/fC
PHASE
SHIFT
(DEGREES)
1.0
0.1
-45
-90
-135
-180
0
0.01
10
FILTER PHASE SHIFT vs. FREQUENCY
(NORMALIZED TO CUTOFF FREQUENCY)
V+ = +5V
V- = -5V
fC CODE = 0-127
(1-25kHz TYP)
TA = +25C
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
CS to WR Setup
tWS
0
ns
CS to WR Hold
tWH
0
ns
WR Pulse Width
tSV
100
ns
Address-Setup Time
tAS
30
ns
Address-Hold Time
tAH
10
ns
Data-Setup Time
tDS
30
ns
Data-Hold time
tDH
10
ns
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