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SM5309B Datasheet(PDF) 8 Page - Nippon Precision Circuits Inc

Part No. SM5309B
Description  3-channel Video Buffer with Built-in wideband LPF
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Maker  NPC [Nippon Precision Circuits Inc]
Homepage  http://www.npc.co.jp/en
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SM5309B Datasheet(HTML) 8 Page - Nippon Precision Circuits Inc

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SM5309B
SEIKO NPC CORPORATION —8
Analog Characteristics
Analog input characteristics
VCC = 5.0V, VDD = 3.0 to 5.5V, Ta = 25°C, fin = 100kHz, VIN = 1.0Vp-p, RISET = 1.8kΩ, RL = 75Ω,
CH-1 set to clamp input, CH-2 and CH-3 set to bias input, FCDATA
= 227, unless otherwise noted.
Internal mode settings are shown in table 1 in "Mode Condition Settings".
Note. This item represents values of maximum input signal amplitude in which the output distortion rate shown in the condition column is filled. When the
signal amplitude that exceeds this specification value is input, the output distortion rate is deteriorated. When using this device, the input signal level
should be set not to exceed the standard value of the signal amplitude.
Filter mode and bypass mode frequency characteristics
VCC = 5.0V, VDD = 3.0 to 5.5V, Ta = 25°C, fin = 100kHz, VIN = 1.0Vp-p, RISET = 1.8kΩ, RL = 75Ω,
CH-1 set to clamp input, CH-2 and CH-3 set to bias input, FCDATA
= 227, unless otherwise noted.
Parameter
Symbol
Condition
Rating
Unit
Test
level
min
typ
max
Clamp voltage
VCLMP
Clamp input, no signal input
1.6
1.8
2.0
V
I
Bias voltage
VBIAS
Bias input, no signal input
2.1
2.3
2.5
V
I
Input resistance
RBIAS
Bias input
20
k
II
Filter mode input voltage
VAI1
Mode: b (bias), THD
< 1.0%
−−
1.4
Vp-p
I
VAI2
Mode: c (clamp), THD
< 1.0%
−−
1.4
Vp-p
I
Bypass mode input voltage
VAI3
Mode: f (bias), THD
< 1.0%
−−
1.4
Vp-p
I
VAI4
Mode: g (clamp), THD
< 1.0%
1.4
Vp-p
I
Direct mode input
DC voltage range
VIDC
Direct mode, THD
< 1.5%,
VIN < 1.4Vp-p
1.5
3.2
V
I
Parameter
Symbol
Condition
Rating
Unit
Test
level
min
typ
max
Cutoff frequency
FC1
FCDATA = 0
4.05
MHz
II
FC2
FCDATA = 10
4.98
5.66
6.34
MHz
I
FC3
FCDATA = 227
29.70
33.75
37.80
MHz
I
FC4
FCDATA = 255
40.60
MHz
II
Half fc mode cutoff frequency
ratio
Rhalf1
Half fc mode, FCDATA = 10
44
49
54
%
I
Rhalf2
Half fc mode, FCDATA = 227
48
53
58
%
I
4fc attenuation
GSB
fin
≥ 4fc, attenuation from fin = 100kHz
50
dB
II
Filter bypass mode passband
FBP
VIN = 1.0Vp-p, Gain = − 1dB
74.25
80
MHz
II


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