参数资料
型号: LTC1564IG#TR
厂商: Linear Technology
文件页数: 3/12页
文件大小: 0K
描述: IC ANTIALIASING FILTER 16-SSOP
标准包装: 2,000
滤波器类型: 抗混迭
频率 - 截止或中心: 150kHz
滤波器数: 1
滤波器阶数: 8th
电源电压: 2.7 V ~ 10.5 V
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.209",5.30mm 宽)
供应商设备封装: 16-SSOP
包装: 带卷 (TR)
其它名称: LTC1564IGTR
11
LTC1564
1564fa
TYPICAL APPLICATIO S
U
16-Bit Output, Sampling Rate to 500ksps, Analog Bandwidth to 150kHz, Gain to 24dB.
(For More Information, See
Linear Technology Magazine, May 2001)
2-Chip Flexible DSP Front End with Amplification,
Antialias Filtering and A/D Conversion
Boosting a 100mVRMS Input Signal to Nearly Fill the Input Range of the LTC1608 ADC. Input Frequency of 40kHz,
LTC1608 fSAMPLE = 204.8ksps, LTC1564 is Set for fC = 50kHz and Gain of 16 (F = 0101, G = 1111). Measured THD
is 86dB, HD2 = – 88dB, SNR = 85dB with 100mVRMS Input. Dynamic Range of Approximately 115dB
4096-Point FFT Spectrum
with Low Level Input
FREQUENCY (kHz)
0
–60
–40
0
76.8
1564 TA04
–80
–100
25.6
51.2
102.4
–120
–140
–20
AMPLITUDE
(dB)
2.2
F
1
F
1
F
10
22
F
4
6
DIFFERENTIAL
ANALOG INPUT
±2.5V
REFCOMP
CONTROL
LOGIC
AND
TIMING
B15 TO B0
16-BIT
SAMPLING
ADC
+
1
F
5V OR
3V
P
CONTROL
LINES
D15 TO D0
OUTPUT
BUFFERS
16-BIT
PARALLEL
BUS
11 TO 26
OGND
OVDD
28
1564 TA03
29
1
2
AIN
+
AIN
SHDN
CS
CONVST
RD
BUSY
33
32
31
30
27
7.5k
LTC1608
3
36
35
10
9
5V
AVDD
DVDD
DGND
VREF
8
AGND
7
AGND
5
AGND
34
–5V
VSS
1
F
2.5V
REF
1
F
1.75X
+
V+ EN V
OUT
AGND
IN
16
CS/
HOLD RST
F
4
5 6 7 8
9 10 11 12
15
1
2
3
14
13
G
LTC1564
5V
–5V
0.1
F
0.1
F
249
1% METAL FILM
249
1% METAL FILM
C1*
FILTER CONTROL
ANTIALIAS FILTER/AMP
ADC
AV
fC
INPUT
+
*C1 IS A 1000pF NPO, SURFACE MOUNT DEVICE
PLACE AS CLOSE AS POSSIBLE TO THE LTC1608 INPUT PINS
AV
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
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