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参数资料
| 型号： | LTC1562CG-2#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 10/16页 |
| 文件大小： | 0K |
| 描述： | IC FILTER UNIV RC QUAD LN 20SSOP |
| 标准包装： | 66 |
| 滤波器类型： | 通用连续计时 |
| 频率 - 截止或中心： | 300kHz |
| 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： | 管件 |
| 产品目录页面： | 1324 (CN2011-ZH PDF) |
3
LTC1562-2
15622fa
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
THD
Total Harmonic Distortion, V2 Output
fIN = 20kHz, 2.8VP-P, V1 and V2 Outputs Have
– 100
dB
RL = 5k, CL = 30pF
fIN = 20kHz, 9VP-P, V1 and V2 Outputs Have
– 82
dB
RL = 5k, CL = 30pF
Shutdown Supply Current
SHDN Pin to V+
1.5
15
A
SHDN Pin to V+, VS = ±2.375V
1.0
A
Shutdown-Input Logic Threshold
2.5
V
Shutdown-Input Bias Current
SHDN Pin to 0V
– 10
– 20
A
Shutdown Delay
SHDN Pin Steps from 0V to V +
20
s
Shutdown Recovery Delay
SHDN Pin Steps from V + to 0V
100
s
Inverting Input Bias Current, Each Biquad
5
pA
ELECTRICAL CHARACTERISTICS
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: fO change from ±5V to ±2.375 supplies is – 0.2% typical,
fO temperature coefficient magnitude, 25°C to 85°C, is
50ppm/
°C typical.
As with the LTC1562, fO decreases with increasing temperature.
Note 3: Tighter frequency tolerance is available, consult factory.
The q denotes specifications that apply over the full operating temperature
range, otherwise specifications are at TA = 25°C. VS = ±5V, outputs unloaded, SHDN pin to logic “low”, unless otherwise noted. AC
specs are for a single 2nd order section, RIN = R2 = 10.4k ±0.1%, RQ = 9.09k ±0.1%, fO = 175kHz.
TYPICAL PERFOR A CE CHARACTERISTICS
UW
fO Error vs Nominal fO (VS = ±5V)
fO Error vs Nominal fO (VS = ±2.5V)
NOMINAL fO (kHz)
100
Q
ERROR
(%)
35
40
45
30
25
20
15
10
5
0
–5
260
1562-2 G03
140
180
220
300
240
120
160
200
280
TA = 70°C
TA = 25°C
RIN = RQ
Q = 5
Q = 2.5
Q = 1
Q Error vs Nominal fO (VS = ±5V)
NOMINAL fO (kHz)
120
f O
ERROR
(%)
0
1.0
2.0
1.5
3.0
2.5
1562-2 G01
–1.0
–2.0
– 0.5
0.5
–1.5
–2.5
–3.0
160
200
240
280
260
140
180
220
Q = 5
Q = 2.5
Q = 1
TA = 25°C
RIN = RQ
NOMINAL fO (kHz)
120
f O
ERROR
(%)
0
1.0
2.0
1.5
3.0
2.5
1562-2 G02
–1.0
–2.0
– 0.5
0.5
–1.5
–2.5
–3.0
160
200
240
280
260
140
180
220
Q = 5
Q = 2.5
Q = 1
TA = 25°C
RIN = RQ
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