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| 型号： | LTC1562AIG#TR |
| 厂商： | Linear Technology |
| 文件页数： | 1/28页 |
| 文件大小： | 0K |
| 描述： | IC FILTER UNIV RC QUAD LN 20SSOP |
| 标准包装： | 1,800 |
| 滤波器类型： | 通用连续计时 |
| 频率 - 截止或中心： | 150kHz |
| 滤波器数： | 4 |
| 滤波器阶数： | 8th |
| 电源电压： | 4.75 V ~ 10.5 V，±4.75 V ~ 5.25 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 20-SSOP |
| 包装： | 带卷 (TR) |
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LTC1562
1562fa
Very Low Noise, Low Distortion
Active RC Quad Universal Filter
s
Continuous Time—No Clock
s
Four 2nd Order Filter Sections, 10kHz to 150kHz
Center Frequency
s
±0.5% Typical Center Frequency Accuracy
s
±0.3% Typical Center Frequency Accuracy (A Grade)
s
Wide Variety of Response Shapes
s
Lowpass, Bandpass and Highpass Responses
s
103dB Typical S/N,
±5V Supply (Q = 1)
s
97dB Typical S/N, Single 5V Supply (Q = 1)
s
96dB Typical S/(N + THD) at
±5V Supply, 20kHz Input
s
Rail-to-Rail Input and Output Voltages
s
DC Accurate to 3mV (Typ)
s
“Zero-Power” Shutdown Mode
s
Single or Dual Supply, 5V to 10V Total
s
Resistor-Programmable fO, Q, Gain
The LTC
1562 is a low noise, low distortion continuous-time
filter with rail-to-rail inputs and outputs, optimized for a
center frequency (fO) of 10kHz to 150kHz. Unlike most
monolithic filters, no clock is needed. Four independent 2nd
order filter blocks can be cascaded in any combination, such
as one 8th order or two 4th order filters. Each block’s
response is programmed with three external resistors for
center frequency, Q and gain, using simple design formulas.
Each 2nd order block provides lowpass and bandpass out-
puts. Highpass response is available if an external capacitor
replaces one of the resistors. Allpass, notch and elliptic
responses can also be realized.
The LTC1562 is designed for applications where dynamic
range is important. For example, by cascading 2nd order
sections in pairs, the user can configure the IC as a dual 4th
order Butterworth lowpass filter with 94dB signal-to-noise
ratio from a single 5V power supply. Low level signals can
exploit the built-in gain capability of the LTC1562. Varying the
gain of a section can achieve a dynamic range as high as
118dB with a
±5V supply.
Other cutoff frequency ranges can be provided upon request.
Please contact LTC Marketing.
FREQUENCY (Hz)
10k
GAIN
(dB)
10
0
–10
–20
–30
–40
–50
–60
–70
–80
100k
1M
1562 TA03b
Amplitude Response
1
2
3
5
6
8
9
10
20
19
18
16
15
13
12
11
INV B
V1 B
V2 B
V+
SHDN
V2 A
V1 A
INV A
INV C
V1 C
V2 C
V–
AGND
V2 D
V1 D
INV D
LTC1562
RIN2, 10k
RIN4, 10k
RIN1
10k
VIN2
VIN1
SCHEMATIC INCLUDES PIN
NUMBERS FOR 20-PIN PACKAGE.
PINS 4, 7, 14, 17 (NOT SHOWN)
ALSO CONNECT TO V –
SEE TYPICAL APPLICATIONS
FOR OTHER CUTOFF FREQUENCIES
DC ACCURATE, NONINVERTING,
UNITY-GAIN, RAIL-TO-RAIL
INPUT AND OUTPUTS. PEAK
SNR
≈ 100dB WITH ±5V SUPPLIES
VOUT1
1562 TA01
VOUT2
RIN3
10k
–5V
5V
RQ1, 5.62k
R21, 10k
R23, 10k
0.1
F
0.1
F
RQ3, 5.62k
R24, 10k
RQ4, 13k
RQ2, 13k
R22, 10k
Dual 4th Order 100kHz Butterworth Lowpass Filter
s
High Resolution Systems (14 Bits to 18 Bits)
s
Antialiasing/Reconstruction Filters
s
Data Communications, Equalizers
s
Dual or I-and-Q Channels (Two Matched 4th Order
Filters in One Package)
s
Linear Phase Filtering
s
Replacing LC Filter Modules
, LTC and LT are registered trademarks of Linear Technology Corporation.
DESCRIPTIO
U
FEATURES
APPLICATIO S
U
TYPICAL APPLICATIO
U
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| LTC1562CG | 功能描述:IC FILTER UNIVRSL RC QUAD 20SSOP 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) |
| LTC1562CG#PBF | 功能描述:IC FILTER UNIV RC QUAD LN 20SSOP 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) |
| LTC1562CG#TR | 功能描述:IC FILTER UNIV RC QUAD LN 20SSOP 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) |
| LTC1562CG#TRPBF | 功能描述:IC FILTER UNIV RC QUAD LN 20SSOP 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) |
| LTC1562CG-2 | 功能描述:IC FILTER UNIVRSL RC QUAD 20SSOP 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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