参数资料
型号: MAX7491EEE+T
厂商: Maxim Integrated Products
文件页数: 12/18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
_______________________________________________________________________________________
3
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Clock Input Low
0.5
V
Clock Duty Cycle
50
± 5%
SHDN AND EXTCLK
Input High
VIH
VDD - 0.5
V
Input Low
VIL
0.5
V
Input Leakage Current
VINPUT = 0 to VDD
±0.4
±10
μA
POWER REQUIREMENTS
Supply Voltage
VDD
4.5
5.5
V
Power-Supply Current
IDD
No external load, mode 1, R1 = R3 = 50k
Ω,
R2 = 10k
Ω, Q = 5
3.5
4.0
mA
Shutdown Current
ISHDN
SHDN = GND
1
μA
INTERNAL OP AMPS CHARACTERISTICS
Output Short-Circuit Current
±18
mA
DC Open-Loop Gain
RL
≥ 10kΩ, CL ≤ 50pF
130
dB
Gain Bandwidth Product
GBW
RL
≥ 10kΩ, CL ≤ 50pF
7
MHz
Slew Rate
SR
RL
≥ 10kΩ, CL ≤ 50pF
6.4
V/
μs
ELECTRICAL CHARACTERISTICS—MAX7490 (continued)
(VDD = VEXTCLK = +5V; fCLK = 625kHz; 10kΩ || 50pF load to VDD/2 at LP_, BP_, and N_/HP_; VSHDN = VDD; 0.1F from COM to
GND; 50% duty-cycle clock input; COM = VDD/2; TA = TMIN to TMAX. Typical values are at TA = +25°C, unless otherwise noted.)
(Note 1)
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