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参数资料
| 型号： | LT1568CGN#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 12/16页 |
| 文件大小： | 0K |
| 描述： | IC BLOCK BUILD FLTR LONOS 16SSOP |
| 标准包装： | 2,500 |
| 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： | 带卷 (TR) |
LT1568
5
1568f
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Filter Gain, fC = 10MHz,
Test Frequency = 1MHz (0.1 fC)
q
–0.3
0.15
0.5
dB
VS = 5V, RFIL = 128
Test Frequency = 7.5MHz (0.75 fC)
q
–1.2
–0.50
0.0
dB
(Measured with Respect to DC Gain)
Test Frequency = 10MHz (1 fC)
q
–3.1
–2.30
–1.5
dB
Test Frequency = 20MHz (2 fC)
q
–12.2
–11.2
–10.2
dB
Test Frequency = 40MHz (4 fC)
–19.1
dB
Filter Gain Mismatch
fC = 1MHz, fIN = fC
q
–0.4
±0.02
0.4
dB
(
VOUTA – VOUTB)fC = 10MHz, fIN = fC
q
–0.5
±0.02
0.5
dB
Wideband Output Noise
fC = 1MHz, RFIL = 1.28k, BW = 2MHz
22
VRMS
fC = 10MHz, RFIL = 128, BW = 20MHz
60
VRMS
THD
Total Harmonic Distortion
fC = 1MHz, RFIL = 1.28k,
– 84
dB
fIN = 200kHz, VIN = 1VP-P
fC = 10MHz, RFIL = 128,– 75
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 typcial 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
differential output (OUTA – OUTA or OUTB – OUTB) of a single 2nd order section (A or B), gain = –2,
RFIL = R11 = R21 = R31 = R12 = R22 = R32. All voltages are with respect to VGND = VGNDA = VGNDB. 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,” RLDIFF = 800 connected at midsupply, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ADC
DC Gain
q
–2
V/V
VOS(OUT)
DC Offset Voltage
VS = 3V, fC = 1MHz, RFIL = 1.28k
q
–4
6
16
mV
(OUTA – OUTA) or (OUTB – OUTB)
VS = 5V, fC = 1MHz, RFIL = 1.28k
q
–12
2
15
mV
VS = ±5V, fC = 1MHz, RFIL = 1.28k
q
–20
–5
10
mV
VOS(OUT)
DC Offset Voltage Mismatch
VS = 3V, fC = 1MHz, RFIL = 1.28k
q
–8
2
8
mV
(OUTA – OUTA) – (OUTB – OUTB)
VS = 5V, fC = 1MHz, RFIL = 1.28k
q
–12
–2
12
mV
VS = ±5V, fC = 1MHz, RFIL = 1.28k
q
–15
2
15
mV
Transfer Function Characteristics for Each Section (A or B) to Differential Output (OUTA – OUTA or OUTB – 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
–0.05
0.10
0.25
dB
VS = 5V, RFIL = 1.28k (Note 8)
Test Frequency = 750kHz (0.75 fC)
q
–1.40
–1.10
–0.80
dB
(Measured with Respect to DC Gain)
Test Frequency = 1MHz (1 fC)
q
–3.60
–3.20
–2.70
dB
Test Frequency = 2MHz (2 fC)
q
–13.7
–13.1
–12.5
dB
Test Frequency = 4MHz (4 fC)
–25.0
dB
Filter Gain, fC = 10MHz,
Test Frequency = 1MHz (0.1 fC)
q
–0.20
0.1
0.30
dB
VS = 5V, RFL = 128 (Note 8)
Test Frequency = 7.5MHz (0.75 fC)
q
–1.30
–0.8
–0.20
dB
(Measured with Respect to DC Gain)
Test Frequency = 10MHz (1 fC)
q
–3.30
–2.6
–1.90
dB
Test Frequency = 20MHz (2 fC)
q
–13.1
–12.1
–11.1
dB
Test Frequency = 40MHz (4 fC)
–24.3
dB
FILTER ELECTRICAL CHARACTERISTICS
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