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参数资料
| 型号： | LTC1069-6CS8#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 7/10页 |
| 文件大小： | 0K |
| 描述： | IC FILTR 8TH ORDER LOWPASS 8SOIC |
| 标准包装： | 2,500 |
| 滤波器类型： | 椭圆，低通开关电容器 |
| 频率 - 截止或中心： | 14kHz/20kHz |
| 滤波器数： | 1 |
| 滤波器阶数： | 8th |
| 电源电压： | 3 V ~ 10 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
LTC1069-6
6
10696fa
PIN FUNCTIONS
for single supply operation, the internal biasing of Pin 1
allows optimum output swing. The AGND pin should be
buffered if used to bias other ICs. Figure 2 shows the
connections for single supply operation.
AGND
V+
NC
VIN
VOUT
V–
1
2
3
4
8
7
6
5
1k
NC
CLK
LTC1069-6
ANALOG GROUND PLANE
DIGITAL
GROUND
PLANE
0.47μF
0.1μF
1069-6 F02
CLOCK
SOURCE
STAR
SYSTEM
GROUND
V +, V– (Pins 2, 7): Power Supply Pins. The V+ (Pin 2)
and the V– (Pin 7, if used) should be bypassed with a
0.1μF capacitor to an adequate analog ground. The lter’s
power supplies should be isolated from other digital or
high voltage analog supplies. A low noise linear supply is
recommended. Switching power supplies will lower the
signal-to-noise ratio of the lter. Unlike previous monolithic
lters, the power supplies can be applied in any order, that
is, the positive supply can be applied before the negative
supply and vice versa. Figure 3 shows the connection for
dual supply operation.
AGND
V+
NC
VIN
VOUT
V–
1
2
3
4
8
7
6
5
1k
NC
CLK
LTC1069-6
ANALOG GROUND PLANE
DIGITAL
GROUND
PLANE
STAR
SYSTEM
GROUND
0.1μF
1069-6 F03
CLOCK
SOURCE
Figure 2. Connections for Single Supply Operation
Figure 3. Connections for Dual Supply Operation
NC (Pins 3, 6): No Connection. Pins 3 and 6 are not
connected to any internal circuitry; they should be tied
to ground.
VIN (Pin 4): Filter Input Pin. The Filter Input pin is internally
connected to the inverting input of an op amp through a
50k resistor.
CLK (Pin 5): Clock Input Pin. Any TTL or CMOS clock
source with a square wave output and 50% duty cycle
(±10%) is an adequate clock source for the device. The
power supply for the clock source should not necessarily
be the lter’s power supply. The analog ground of the lter
should be connected to the clock’s ground at a single
point only. Table 1 shows the clock’s low and high level
threshold value for a dual or single supply operation. A
pulse generator can be used as a clock source provided
the high level ON time is greater than 0.42μs (VS = ±5V).
Sine waves less than 100kHz are not recommended for
clock frequencies because, excessive slow clock rise or
fall times generate internal clock jitter. The maximum clock
rise or fall time is 1μs. The clock signal should be routed
from the right side of the IC package to avoid coupling
into any input or output analog signal path. A 1k resistor
between the clock source and the Clock Input (Pin 5) will
slow down the rise and fall times of the clock to further
reduce charge coupling (Figure 1).
Table 1. Clock Source High and Low Thresholds
POWER SUPPLY
HIGH LEVEL
LOW LEVEL
Dual Supply = ±5V
1.5V
0.5V
Single Supply = 10V
6.5V
5.5V
Single Supply = 5V
1.5V
0.5V
Single Supply = 3.3V
1.2V
0.5V
VOUT (Pin 8): Filter Output Pin. Pin 8 is the output of the
lter, and it can source 8mA or sink 1mA. The total harmonic
distortion of the lter will degrade when driving coaxial
cables or loads less than 20k without an output buffer.
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相关代理商/技术参数 |
参数描述 |
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| LTC1069-6I | 制造商:LINER 制造商全称:Linear Technology 功能描述:Single Supply, Very Low Power, Elliptic Lowpass Filter |
| LTC1069-6IS8 | 功能描述:IC FILTR 8TH ORDER LOWPASS 8SOIC RoHS:否 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) |
| LTC1069-6IS8#PBF | 功能描述:IC FILTR 8TH ORDER LOWPASS 8SOIC 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) |
| LTC1069-6IS8#TR | 功能描述:IC FILTER LP 10TH ORD LPWR 8SOIC RoHS:否 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) |
| LTC1069-6IS8#TRPBF | 功能描述:IC FILTR 8TH ORDER LOWPASS 8SOIC 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) |
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