参数资料
型号: MAX7491EEE+T
厂商: Maxim Integrated Products
文件页数: 15/18页
文件大小: 0K
描述: IC FILTER SW CAP DUAL 16-QSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
滤波器类型: 通用开关电容器
频率 - 截止或中心: 40kHz
滤波器数: 2
滤波器阶数: 2nd
电源电压: 2.7 V ~ 3.6 V
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
供应商设备封装: 16-QSOP
包装: 带卷 (TR)
MAX7490/MAX7491
Dual Universal Switched-Capacitor Filters
6
_______________________________________________________________________________________
-0.6
-0.4
-0.5
-0.3
-0.2
-0.1
0
0.1
0.2
040
20
60
80
100
CLOCK-TO-CENTER FREQUENCY
DEVIATION vs. Q
MAX7490-04
Q
f CLK
/f
O
DEVIATION
(%)
VDD = 5V
VDD = 3V
-0.7
-0.3
-0.4
-0.6
-0.2
-0.5
-0.1
0
0.1
0.3
0.2
0.4
0.5
0.6
0.7
-40
10
-15
35
60
85
CLOCK-TO-CENTER FREQUENCY
DEVIATION vs. TEMPERATURE
MAX7490-05
TEMPERATURE (
°C)
f CLK
/f
O
DEVIATION
(%)
1
-6
100
1000
10,000
Q DEVIATION vs. CLOCK FREQUENCY
-5
MAX7490-06
fCLK (kHz)
Q
DEVIATION
(%)
-4
-1
-2
-3
0
VDD = 3V
VDD = 5V
-2.0
-1.0
-1.5
-0.5
0
0.5
1.0
1.5
2.0
-40
10
-15
35
60
85
Q DEVIATION vs. TEMPERATURE
MAX7490-07
TEMPERATURE (°C)
Q
DEVIATION
(%)
0
150
100
50
200
250
300
350
400
450
500
040
20
60
80
100
NOISE vs. Q
MAX7490-08
Q
NOISE
(V
RMS
)
3.0
3.2
3.1
3.4
3.3
3.6
3.5
3.7
-40
10
-15
356085
SUPPLY CURRENT vs. TEMPERATURE
MAX7490-09
TEMPERATURE (°C)
I DD
(mA)
VDD = 5V
VDD = 3V
3.0
3.3
3.2
3.1
3.4
3.5
3.6
3.7
3.8
3.9
4.0
3.0
4.0
3.5
4.5
5.0
5.5
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX7490-10
VDD (V)
I DD
(mA)
fCLK = 3MHz
fCLK = 625kHz
fCLK = 2kHz
3.32
3.34
3.33
3.37
3.36
3.35
3.40
3.39
3.38
3.41
3.0
4.0
3.5
4.5
5.0
5.5
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX7490-11
VDD (V)
I DD
(mA)
-40°C
+25°C
+85°C
-20
-120
1k
10k
MAX7491
THD + NOISE vs. FREQUENCY
MAX7490-12
INPUT FREQUENCY (Hz)
THD
+
NOISE
(dB)
-30
-40
-50
-60
-70
-80
-90
-100
-110
A
B
A = MODE 1
B = MODE 3
Typical Operating Characteristics (continued)
(VDD = +5V for MAX7490, VDD = +3V for MAX7491, fCLK = 625kHz, VSHDN = VEXTCLK = VDD, COM = VDD/2, Mode 1, R3 = R1 = 50kΩ,
R2 = 10kΩ, Q = 5, TA = +25°C, unless otherwise noted.)
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