低通滤波器
ADI 公司提供的低通滤波器经过专门设计,可抑制更高频率的噪声和不需要的信号,同时可以让所需信号通过。ADI 公司提供已针对低通滤波进行预配置的广泛连续时间和时钟可调(开关电容器)套件系列。这些集成式低通滤波器具有宽范围的截止频率和响应特性。
产品选型表
低通滤波器
SortOrder | Part# | Comments | Filter Order (order) | Filters Per Package | Preconfigured | Realization | Fo Max (typ) (Hz) | Clock Tunable | Input Type | Fo Min (typ) (Hz) | Price (1000+) ($ US) |
---|---|---|---|---|---|---|---|---|---|---|---|
1 | LTC1566-1 | Continuous Time, Differential Input and Outputs, Low Noise | 7 | 1 | Lowpass | Elliptic | 2.3M | No | Differential | - | $5.95 (LTC1566-1CS8#PBF) |
2 | LTC1564 | Digitally Prog. Filter & 4-bit PGA | 8 | 1 | Lowpass | Programmable Eliptic | 150k | No | Single-Ended | 10k | $8.95 (LTC1564CG#PBF) |
3 | LTC1565-31 | Continuous-Time, Differential Inputs and Outputs | 7 | 1 | Lowpass | Linear Phase | 650k | No | Single-Ended | - | $3.65 (LTC1565-31CS8#PBF) |
4 | LTC1563-3 | One Resistor Sets Cutoff Freq: 256Hz to 256kHz, Rail-to-Rail In/Out | 4 | 2 | Lowpass | Resistor Configurable | 256k | No | Single-Ended | 256 | $1.95 (LTC1563-3CGN#PBF) |
5 | LTC1563-2 | One Resistor Sets Cutoff Freq: 256Hz to 256kHz, Rail-to-Rail In/Out | 4 | 2 | Bandpass, Lowpass | Resistor Configurable | 256k | No | Single-Ended | 256 | $1.95 (LTC1563-2CGN#PBF) |
6 | LTC1569-7 | Internal or External Clock, Cuttoff Freq: Up to 300kHz, Root Raised Cosine | 10 | 1 | Lowpass | Elliptic | 256k | Yes | Single-Ended | 30 | $5.95 (LTC1569CS8-7#PBF) |
7 | LTC1569-6 | Internal or External Clock, Cutoff Freq: Up to 64kHz with 3V Supply , Root Raised Cosine | 10 | 1 | Lowpass | Elliptic | 64k | Yes | Single-Ended | 20 | $5.50 (LTC1569CS8-6#PBF) |
8 | LTC1560-1 | Continuous-Time, Pin Selectable Cuttoff Freq: 500kHz or 1MHz | 5 | 1 | Lowpass | Elliptic | 1M | No | - | 500k | $4.65 (LTC1560-1CS8#PBF) |
9 | LTC1069-6 | Single 3V Supply, Low Power, Attenuation: 42dB @1.3x Cuttoff Freq, 66dB@2.0x, 70dB@2.1x | 8 | 1 | Lowpass | Elliptic | 20k | Yes | Single-Ended | 20 | $4.80 (LTC1069-6CS8#PBF) |
10 | LTC1069-1 | Low Power, Attenuation: 20dB @1.2x Cuttoff Freq, 52dB@1.4x, 70dB@2x | 8 | 1 | Lowpass | Elliptic | 12k | Yes | Single-Ended | 10 | $4.70 (LTC1069-1CN8#PBF) |
11 | LTC1069-7 | Linear Phase. Raised Cosine Amplitude Response, Attenuation: 43dB@2x fcuttoff | 8 | 1 | Lowpass | Bessel, Linear Phase | 200k | Yes | Single-Ended | 40 | $4.80 (LTC1069-7CS8#PBF) |
12 | LTC1066-1 | 14-Bit DC Gain Linearity, 1.5mV DC Offset, 7uV/°C Tempco | 8 | 1 | Lowpass | Elliptic | 120k | Yes | - | 20 | $17.10 (LTC1066-1CSW#PBF) |
13 | LTC1065 | 1mV DC Offset, Internal or External Clock, Cascadable for Faster Rolloff | 5 | 1 | Lowpass | Bessel, Linear Phase | 60k | Yes | Single-Ended | 10 | $5.50 (LTC1065CN8#PBF) |
14 | LTC1164-6 | Low Power, Pin Selectable Elliptic or Bessel | 8 | 1 | Lowpass | Elliptic | 20k | Yes | - | 10 | $12.35 (LTC1164-6CN#PBF) |
15 | LTC1264-7 | Constant Group Delay, Max Cuttoff Frequency 200kHz | 8 | 1 | Lowpass | Bessel, Linear Phase | 200k | Yes | - | 40 | $13.70 (LTC1264-7CN#PBF) |
16 | LTC1164-7 | Constant Group Delay, Low Power, Steeper Rolloff than Bessel | 8 | 1 | Lowpass | Bessel, Linear Phase | 20k | Yes | - | 20 | $10.80 (LTC1164-7CN#PBF) |
17 | LTC1164-5 | Low Power, Pin Selectable Butterworth or Bessel Response | 8 | 1 | Lowpass | Butterworth | 20k | Yes | - | 10 | $10.80 (LTC1164-5CN#PBF) |
18 | LTC1063 | Internal or External Clock, 1mV DC Offset, Cascadable for Faster Rolloff | 5 | 1 | Lowpass | Butterworth | 50k | Yes | - | 10 | $5.50 (LTC1063CN8#PBF) |
19 | LTC1064-7 | Low Noise, 8th Order, Constant Group Delay | 8 | 1 | Lowpass | Bessel, Linear Phase | 100k | Yes | Single-Ended | 20 | $10.80 (LTC1064-7CN#PBF) |
20 | LTC1064-4MJ | Low Noise, 8th Order Elliptic, Center Frequency Up to 100kHz | 8 | 1 | Lowpass | Elliptic | 100k | Yes | Single-Ended | 20 | - |
21 | LTC1064-4 | Low Noise, 8th Order Elliptic, Center Frequency Up to 100kHz | 8 | 1 | Lowpass | Elliptic | 100k | Yes | Single-Ended | 20 | $13.70 (LTC1064-4CN#PBF) |
22 | LTC1064-3 | Low Noise, Bessel Lowpass Filter | 8 | 1 | Lowpass | Bessel | 100k | Yes | Single-Ended | 10 | $9.60 (LTC1064-3CN#PBF) |
23 | LTC1064-2 | Low Noise, 8th Order Butterworth, Center Frequency Up to 95kHz | 8 | 1 | Lowpass | Butterworth | 140k | Yes | Single-Ended | 10 | $10.80 (LTC1064-2CN#PBF) |
24 | LTC1064-1 | Low Noise, 8th Order Elliptic, Center Frequency Up to 50kHz | 8 | 1 | Lowpass | Elliptic | 50k | Yes | Single-Ended | 10 | $12.35 (LTC1064-1CN#PBF) |
25 | LTC1062 | No DC Error, Low Passband Noise, DC to 20kHz | 5 | 1 | Lowpass | Butterworth | 20k | Yes | - | 10 | $3.20 (LTC1062CN8#PBF) |