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| 型号： | LTC1069-7CS8#PBF |
| 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： | 100 |
| 滤波器类型： | 线性相位，低通开关电容器 |
| 频率 - 截止或中心： | 200kHz |
| 滤波器数： | 1 |
| 滤波器阶数： | 8th |
| 电源电压： | ±5V，5V |
| 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： | 管件 |
| 产品目录页面： | 1324 (CN2011-ZH PDF) |
LTC1069-7
6
10697fa
TYPICAL PERFORMANCE CHARACTERISTICS
Output Voltage Swing
vs Temperature
Supply Current
vs Supply Voltage
Supply Current
vs Clock Frequency
PIN FUNCTIONS
AGND (Pin 1): Analog Ground. The quality of the analog
signal ground can affect the lter performance. For either
single or dual supply operation, an analog ground plane
surrounding the package is recommended. The analog
ground plane should be connected to any digital ground
at a single point. For dual supply operation, Pin 1 should
be connected to the analog ground plane.
For single supply operation, Pin 1 should be bypassed
to the analog ground plane with a capacitor 0.47μF or
larger. An internal resistive divider biases Pin 1 to half the
total power supply. Pin 1 should be buffered if used to
bias other ICs. Figure 1 shows the connections for single
supply operation.
V+, V – (Pins 2, 7):
Power Supplies. The V+ (Pin 2) and
V– (Pin 7) 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. Using
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 2 shows the 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. The lter input pin is internally
connected to the inverting inputs of two op amps through
a 36k resistor for each op amp. This parallel combination
creates an 18k input impedance.
TEMPERATURE (°C)
–40
–4.7
VOLTAGE
SWING
(V)
–4.5
4.2
0
40
60
1069-7 G18
–4.6
4.1
4.0
–20
20
80
100
VS = ±5V
fCLK = 2.5MHz
fCUTOFF = 100kHz
RL = 10k
ISOURCE/ISINK = 1mA
SUPPLY VOLTAGE (±V)
0
SUPPLY
CURRENT
(mA)
12
1069-7 G19
36
25
20
15
10
5
0
45
85°C
–40°C
25°C
fCLK = 10Hz
CLOCK FREQUENCY (MHz)
0.25
1.25
2.25
3.25
4.25
5.25
SUPPLY
CURRENT
(mA)
1069-7 G20
22
21
20
19
18
17
16
15
14
13
12
11
10
VS = ±5V
VS = 5V
1069-7 F01
1k
V+
LTC1069-7
CLOCK
SOURCE
0.47μF
0.1μF
ANALOG GROUND
PLANE
8
7
6
5
1
2
3
4
STAR
SYSTEM
GROUND
DIGITAL
GROUND
PLANE
AGND
V+
NC
VIN
VOUT
V–
NC
CLK
VOUT
VIN
Figure 1. Connections for Single Supply Operation
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| LTC1069-7I | 制造商:LINER 制造商全称:Linear Technology 功能描述:Linear Phase 8th Order Lowpass Filter |
| LTC1069-7IS8 | 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) |
| LTC1069-7IS8#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) |
| LTC1069-7IS8#TR | 功能描述:IC FILTER LP 10TH ORD LIN 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) |
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