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参数资料
型号： MAX271CWG+
厂商： Maxim Integrated Products
文件页数： 10/16页
文件大小： 0K
描述： IC FILTER LOWPASS PROG 24-SOIC
产品培训模块： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装： 30
滤波器类型： 连续时间低通
频率 - 截止或中心： 25kHz
滤波器数： 2
滤波器阶数： 2nd
电源电压： 4.74 V ~ 16 V，±2.37 V ~ 8 V
安装类型： 表面贴装
封装/外壳： 24-SOIC（0.295"，7.50mm 宽）
供应商设备封装： 24-SOIC W
包装： 管件
3
Maxim Integrated
Digitally-Programmed, Dual
2nd-Order Continuous Lowpass Filter
MAX270/MAX271
ELECTRICAL CHARACTERISTICS (continued)
(V+ = +5V, V- = -5V; TA = +25NC, unless otherwise noted.)
Note 1: All internal amplifiers limited to 2MHz bandwidth.
Note 2: Only filter A tested for these parameters.
Note 3: Spurious-Free Dynamic Range is the ratio of the fundamental to the largest of any harmonic or noise spur in dB.
Note 4: Includes T/H propagation delays. With 5kω, parallel 100pF load.
Note 5: ±2V input step settling 0.1% with 5kω parallel 100pF load.
Note 6: T/H pin toggled at sampling rate, 50% duty cycle.
Note 7: THD and SFDR specifications for T/H include contributions from filter.
Note 8:
Digital pins include SHDN, WR, CS, A0, D0–D6 (MAX270) and SHDN, T/H, A/B, WR, T/H EN, CS, A0, A1, D0–D6, T/H
(MAX271).
Note 9: Input of uncommitted op amp disconnected with a 5kω feedback resistor from input to output.
Note 10: WR, CS, A0, D0–D6 held at +5V; VSHDN = 0V (MAX270). WR, CS, A0, A1, D0–D6, T/H, T/H, A/B, T/H, MODE held at
+5V; VSHDN = 0V (MAX271).
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
DYNAMIC FILTER CHARACTERISTICS (MAX270)
Total Harmonic Distortion
THD
fC code = 44 (2.01kHz typ), VIN = 3.5VP-P at
390.625Hz (Notes 2 and 3)
-70
dB
Signal Noise Plus Distortion
SINAD
73
Spurious-Free Dynamic Range
SFDR
70
UNCOMMITTED AMPLIFIER (MAX270)
Slew Rate
1.2
V/Fs
Bandwidth
2
MHz
TRACK AND HOLD (MAX271)
Hold Settling Time
To 0.1% (Note 4)
500
ns
Acquisition Time
To 0.1% (Note 5)
1.8
F
s
Hold Step
1
mV
Droop Rate
TA = TMIN to TMAX
30
F
V/Fs
Offset Voltage at T/H OUT
Includes filter offset
-6
+6
mV
T/H OUT Disabled Output Leakage
Current
TA = TMIN to TMAX, VT/H = 0V (Track Mode)
-10
+10
F
A
Total Harmonic Distortion
THD
fC code = 44 (2.01kHz typ), VIN = 3.5VP-P at
390.625Hz, sampling rate = 50kHz
(Notes 2, 6, 7)
-70
dB
Spurious-Free Dynamic Range
SFDR
70
DIGITAL INPUTS
Digital Input High Voltage
TA = TMIN to TMAX (Note 8)
2.4
V
Digital Input Low Voltage
0.8
Digital Input Current
TA = TMIN to TMAX, digital input held at Q5V,
includes MODE (MAX271)(Note 8)
-1
+1
F
A
POWER REQUIREMENTS
Supply Voltage Range
Q
2.375
to Q8
V
Supply Current
TA = TMIN to TMAX (Note 9)
6.5
mA
Shutdown Supply Current
TA = TMIN to TMAX (Note 10)
15
F
A
Power-Supply Rejection Ratio at
1kHz
PSRR
fC code = 0 (1kHz typ), V+ = 5VDC +
10mVP-P at 1kHz
30
dB
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相关代理商/技术参数
参数描述
MAX271CWG+ 功能描述:有源滤波器 Digitally Prog Dual 2-ORD Cont Lowpass RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube
MAX271CWG+T 功能描述:有源滤波器 Digitally Prog Dual 2-ORD Cont Lowpass RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube
MAX271CWG-T 功能描述:有源滤波器 RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube
MAX271ENG 功能描述:有源滤波器 Integrated Circuits (ICs) RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube
MAX271ENG+ 功能描述:有源滤波器 Digitally Prog Dual 2-ORD Cont Lowpass RoHS:否 制造商:Maxim Integrated 通道数量:1 截止频率:150 KHz 电源电压-最大:11 V 电源电压-最小:4.74 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:PDIP N 封装:Tube
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