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参数资料
| 型号： | LT1568IGN#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 11/16页 |
| 文件大小： | 0K |
| 描述： | IC BLOCK BUILD FLTR LONOS 16SSOP |
| 标准包装： | 100 |
| 滤波器类型： | 带通 |
| 频率 - 截止或中心： | 200kHz |
| 滤波器数： | 2 |
| 滤波器阶数： | 2nd |
| 电源电压： | 2.7 V ~ 11 V，±2.7 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SSOP |
| 包装： | 管件 |
LT1568
4
1568f
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Filter Gain, fC = 1MHz,
Test Frequency = 300kHz (0.3 fC)
q
–0.05
0.05
0.25
dB
VS = 5V, RFIL = 1.28k
Test Frequency = 750kHz (0.75 fC)
q
–1.45
–1.20
–0.85
dB
(Measured with Respect to DC Gain)
Test Frequency = 1MHz (1 fC)
q
–3.60
–3.20
–2.80
dB
Test Frequency = 2MHz (2 fC)
q
–13.7
–13.2
–12.5
dB
Test Frequency = 4MHz (4 fC)
–25.0
dB
Filter Gain, fC = 10MHz,
Test Frequency = 1MHz (0.1 fC)
q
–0.1
0.02
0.25
dB
VS = 5V, RFIL = 128
Test Frequency = 7.5MHz (0.75 fC)
q
–1.5
–1.0
–0.50
dB
(Measured with Respect to DC Gain)
Test Frequency = 10MHz (1 fC)
q
–3.5
–3.0
–2.40
dB
Test Frequency = 20MHz (2 fC)
q
–14.2
–13.2
–12.2
dB
Test Frequency = 40MHz (4 fC)
–27.5
dB
Filter Gain Mismatch
fC = 1MHz, fIN = fC
q
–0.25
±0.02
0.25
dB
(
VOUTA – VOUTB)fC = 10MHz, fIN = fC
q
–0.30
±0.02
0.30
dB
Wideband Output Noise
fC = 1MHz, RFIL = 1.28k, BW = 2MHz
18
VRMS
fC = 10MHz, RFIL = 128, BW = 20MHz
34
VRMS
THD
Total Harmonic Distortion
fC = 1MHz, RFIL = 1.28k,
– 84
dB
fIN = 200kHz, VIN = 1VP-P
fC = 10MHz, RFIL = 128,– 69
dB
fIN = 2MHz, VIN = 1VP-P
Specifications are for the
OUTA or OUTB of a single 2nd order section (A or B) with respect to VGND = VGNDA = VGNDB, gain = 1,
RFIL = R11 = R21 = R31 = R12 = R22 = R32, (see Block Diagram) The q denotes the specifications which apply over the full
operating temperature range, otherwise specifications and typical values are at TA = 25°C. VS = single 5V, EN pin to logic “low,”
RL = 400 connected to midsupply, unless otherwise noted.
Specifications are for the output
(OUTA or OUTB) of a single 2nd order section (A or B) with respect to VGND = VGNDA = VGNDB,
gain = –1, RFIL = R11 = R21 = R31 = R12 = R22 = R32, (see Block Diagram). The q denotes the specifications which apply over the
full operating temperature range, otherwise specifications and typical values are at TA = 25°C. VS = single 5V, EN pin to logic “low,”
RL = 400 connected to midsupply, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ADC
DC Gain
q
0.99
1
1.01
V/V
VOS(OUT)
DC Offset Voltage
VS = 3V, fC = 1MHz, RFIL = 1.28k
q
–9
–2
5
mV
(VOUTA – VGNDA) or (VOUTB – VGNDB)VS = 5V, VS = ±5V, fC = 1MHz, RFIL = 1.28k
q
–10
–1
10
mV
VOS(OUT)
DC Offset Voltage Mismatch
VS = 3V, fC = 1MHz, RFIL = 1.28k
q
–8
±28
mV
(VOUTA – VGNDA) – (VOUTB – VGNDB)VS = 5V, VS = ±5V, fC = 1MHz, RFIL = 1.28k
q
–10
±210
mV
Transfer Function Characteristics for Each Section (A or B) to Single-Ended Output (OUTA or OUTB)
fC
Cutoff Frequency Range (Note 7)
VS = 3V, VS = 5V, VS = ±5V
q
0.2
10
MHz
TC
Cutoff Frequency Temperature Coefficient
q
±1
ppm/
°C
Filter Gain, fC = 1MHz,
Test Frequency = 300kHz (0.3 fC)
q
–0.10
0.15
0.40
dB
VS = 5V, RFIL = 1.28k
Test Frequency = 750kHz (0.75 fC)
q
–1.40
–1.00
–0.65
dB
(Measured with Respect to DC Gain)
Test Frequency = 1MHz (1 fC)
q
–3.50
–3.10
–2.60
dB
Test Frequency = 2MHz (2 fC)
q
–13.7
–13.0
–12.5
dB
Test Frequency = 4MHz (4 fC)
–25.0
dB
FILTER ELECTRICAL CHARACTERISTICS
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