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參數資料
| 型號： | MAX260BEWG+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 9/26頁 |
| 文件大小： | 0K |
| 描述： | IC FILTER ACT MPU PROG 24-SOIC |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 1,000 |
| 濾波器類型： | 通用開關電容器 |
| 頻率 - 截止或中心： | 7.5kHz |
| 濾波器數： | 2 |
| 濾波器階數： | 2nd |
| 電源電壓： | 4.74 V ~ 12.6 V，±2.37 V ~ 6.3 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-SOIC（0.295"，7.50mm 寬） |
| 供應商設備封裝： | 24-SOIC W |
| 包裝： | 帶卷 (TR) |
MAX260/MAX261/MAX262
Microprocessor Programmable
Universal Active Filters
______________________________________________________________________________________
17
Mode 1, along with mode 4, supports the highest clock
frequencies (see Table 1) because the input summing
amplifier is outside the filter’s resonant loop (Figure 7).
The gain of the lowpass and notch outputs is 1, while
the bandpass gain at the center frequency is Q. For
bandpass gains other than Q, the filter input or output
can be scaled by a resistive divider or op amp.
MODE 2 (Figure 8) is used for all-pole lowpass and
bandpass filters. Key advantages compared to mode 1
are higher available Qs (see Table 3) and lower output
noise. Mode 2’s available fCLK/f0 ratios are
√2 less than
with mode 1 (see Table 2), so a wider overall range of
f0s can be selected from a single clock when both
modes are used together. This is demonstrated in the
Wide Passband Chebyshev Bandpass design example.
MODE 3 (Figure 9) is the only mode that produces
high-pass filters. The maximum clock frequency is
somewhat less than with mode 1 (see Table 1).
MODE 3A (Figure 10) uses a separate op amp to sum
the highpass and lowpass outputs of mode 3, creating
a separate notch output. This output allows the notch to
be set independently of f0 by adjusting the op amp’s
feedback resistor ratio (RH, RL). RH, RL, and RG are
external resistors. Because the notch can be indepen-
dently set, mode 3A is also useful when designing
pole-zero filters such as elliptics.
MODE 4 (Figure 11) is the only mode that provides an
allpass output. This is useful when implementing group
delay equalization. In addition to this, mode 4 can also
be used in all pole lowpass and bandpass filters. Along
with mode 1, it is the fastest operating mode for the fil-
ter, although the gains are different than in mode 1.
When the allpass function is used, note that some
amplitude peaking occurs (approximately 0.3dB when
Q = 8) at f0. Also note that f0 and Q sampling errors are
highest in mode 4 (see Figure 20).
SCN
IN
SCN
N
BP
LP
+
-
MODE 2
+
-
∫
SCN
Σ
Figure 8. Filter Mode 2: Second-Order Bandpass, Lowpass,
and Notch
SCN
IN
SCN
HP
BP
LP
+
-
MODE 3
+
-
∫
SCN
Σ
SCN = SWITCHED-CAPACITOR NETWORK
Figure 9. Filter Mode 3: Second-Order Bandpass, Lowpass,
and Highpass
SCN
IN
SCN
HP
RG
RH
RL
BP
LP
+
-
MODE 3A
N
+
-
+
-
∫
SCN
Σ
SCN = SWITCHED-CAPACITOR NETWORK
Figure 10. Filter Mode 3a: Second-Order Bandpass, Lowpass,
Highpass, and Notch. For elliptic LP, BP, HP, and Notch, the N
output is used.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX260BMRG | 功能描述:有源濾波器 RoHS:否 制造商:Maxim Integrated 通道數量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube |
| MAX260SOFT | 功能描述:有源濾波器 RoHS:否 制造商:Maxim Integrated 通道數量:1 截止頻率:150 KHz 電源電壓-最大:11 V 電源電壓-最小:4.74 V 最大工作溫度:+ 85 C 安裝風格:Through Hole 封裝 / 箱體:PDIP N 封裝:Tube |
| MAX2611EUS | 制造商:Maxim Integrated Products 功能描述:4 PIN COUNT SOT PACKAGE TYPE - Rail/Tube |
| MAX2611EUS+ | 制造商:Maxim Integrated Products 功能描述:RF AMP CHIP SGL GP 1.1GHZ 4PIN SOT-143 - Rail/Tube |
| MAX2611EUS+T | 功能描述:射頻放大器 DC-to-Microwave Amplifier RoHS:否 制造商:Skyworks Solutions, Inc. 類型:Low Noise Amplifier 工作頻率:2.3 GHz to 2.8 GHz P1dB:18.5 dBm 輸出截獲點:37.5 dBm 功率增益類型:32 dB 噪聲系數:0.85 dB 工作電源電壓:5 V 電源電流:125 mA 測試頻率:2.6 GHz 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 封裝:Reel |
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