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参数资料
| 型号： | LTC6602CUF#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 2/28页 |
| 文件大小： | 0K |
| 描述： | IC FILTER BANDPASS/LOWPASS 24QFN |
| 标准包装： | 2,500 |
| 滤波器类型： | 带通 |
| 频率 - 截止或中心： | 300kHz |
| 滤波器数： | 2 |
| 滤波器阶数： | 5th |
| 电源电压： | 2.7 V ~ 3.6 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 24-WFQFN 裸露焊盘 |
| 供应商设备封装： | 24-QFN 裸露焊盘（4x4） |
| 包装： | 带卷 (TR) |
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LTC6602
10
6602fc
PIN FUNCTIONS
V+IN (Pin 1): Input Voltage Supply (2.7V ≤ V ≤ 5.5V). This
supply must be kept free from noise and ripple. It should
be bypassed directly to a ground plane with a 0.1F ca-
pacitor unless it is tied to V+A (Pin 2). The bypass should
be as close as possible to the IC, but is not as critical as
the bypassing of V+A and V+D (Pin16).
V+A (Pin 2): Analog Voltage Supply (2.7V ≤ V ≤ 3.6V). This
supplymustbekeptfreefromnoiseandripple.Itshouldbe
bypassed directly to a ground plane with a 0.1F capacitor.
The bypass should be as close as possible to the IC.
VOCM (Pin 3): Output common mode voltage reference. If
floated, an internal resistive divider sets the voltage on this
pin to half the supply voltage (typically 1.5V), maximizing
the dynamic range of the filter. If this pin is floated, it must
be bypassed with a quality 0.1F capacitor to ground.
This pin has a typical input impedance of 400 and may
be overdriven. Driving this pin to a voltage other than the
default value will reduce the signal range the filter can
handle before clipping.
RBIAS(Pin4):OscillatorFrequency-SettingResistorInput.
The value of the resistor connected between this pin and
ground determines the frequency of the master oscillator,
and sets the bias currents for the filter networks. The volt-
age on this pin is held by the LTC6602 to approximately
1.17V. For best performance, use a precision metal film
resistor with a value between 54.9k and 200k and limit the
capacitance on this pin to less than 10pF. This resistor is
necessary even if an external clock is used.
CLKCNTL (Pin 5): Clock Control Input. This three-state
input selects the function of CLKIO (Pin 15). Tying the
CLKCNTL pin to ground allows the CLKIO pin to be driven
by an external clock (CLKIO is the master clock input).
If the CLKCNTL pin is floated, the internal oscillator is
enabled, but the master clock is not present at the CLKIO
pin (CLKIO is a no-connect). If the CLKCNTL pin is tied
to V+D (Pin 16), the internal oscillator is enabled and the
master clock is present at the CLKIO pin (CLKIO is the
master clock output). To detect a floating CLKCNTL pin,
the LTC6602 attempts to pull the pin toward mid-supply.
This is realized with two internal current sources, one tied
to V+D and CLKCNTL and the other one tied to ground
and CLKCNTL. Therefore, driving the CLKCNTL pin high
requires sourcing approximately 15A. Likewise, driving
the CLKCNTL pin low requires sinking 15A. When the
CLKCNTL pin is floated, preferably it should be bypassed
by a 1nF capacitor to ground or it should be surrounded
by a ground shield to prevent excessive coupling from
other PCB traces.
LPF1(CS)(Pin6):LogicInput.Wheninpin programmable
control mode, this pin is the MSB of the lowpass cutoff
frequency control code; in serial control mode, this pin is
the chip select input (active low).
+INB, –INB (Pins 7, 8): Channel B differential inputs.
The input range and input resistance are described in the
Applications Information section. Input voltages which
exceed V+IN (Pin 1) should be avoided.
LPF0(SCLK) (Pin 9): Logic Input. When in pin program-
mable control mode, this pin is the LSB of the lowpass
cutoff frequency control code; in serial control mode, this
pin is the clock of the serial interface.
HPF1(SDI) (Pin 10): Logic Input. When in pin program-
mable control mode, this pin is the MSB of the highpass
cutoff frequency control code; in serial control mode, this
pin is the serial data input.
HPF0(SDO) (Pin 11): Logic Input. When in pin program-
mable control mode, this pin is the LSB of the highpass
cutoff frequency control code; in serial control mode, this
pin is the serial data output.
–OUTB, +OUTB (Pins 12, 13): Channel B differential filter
outputs. These pins can drive 1k and/or 50pF loads. For
larger capacitive loads, an external 100
Ω series resistor
is recommended for each output. The common mode
voltage of the filter outputs is the same as the voltage at
VOCM (Pin 3).
GND (Pin 14): Ground. Connect to a ground plane for
best performance.
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相关代理商/技术参数 |
参数描述 |
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| LTC6602IUF#PBF | 功能描述:IC FILTER BANDPASS/LOWPASS 24QFN RoHS:是 类别:集成电路 (IC) >> 接口 - 滤波器 - 有源 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1,000 系列:- 滤波器类型:连续时间，带通低通 频率 - 截止或中心:150kHz 滤波器数:4 滤波器阶数:8th 电源电压:4.74 V ~ 11 V，±2.37 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC W 包装:带卷 (TR) |
| LTC6602IUF#TRPBF | 功能描述:IC FILTER BANDPASS/LOWPASS 24QFN RoHS:是 类别:集成电路 (IC) >> 接口 - 滤波器 - 有源 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:1,000 系列:- 滤波器类型:连续时间，带通低通 频率 - 截止或中心:150kHz 滤波器数:4 滤波器阶数:8th 电源电压:4.74 V ~ 11 V，±2.37 V ~ 5.5 V 安装类型:表面贴装 封装/外壳:28-SOIC（0.295"，7.50mm 宽） 供应商设备封装:28-SOIC W 包装:带卷 (TR) |
| LTC6602IUF-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Matched, High Frequency Bandpass/Lowpass Filters |
| LTC6602IUF-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Matched, High Frequency Bandpass/Lowpass Filters |
| LTC6603 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Dual Adjustable Lowpass Filter |
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