參數(shù)資料
型號(hào)： LT1568
廠商： Linear Technology Corporation
英文描述： Very Low Noise, High Frequency Active RC, Filter Building Block
中文描述： 極低噪聲，高頻有源RC，濾波器積木
文件頁(yè)數(shù)： 3/16頁(yè)
文件大?。?/td> 271K
代理商： LT1568
LT1568
3
1568f
The
G
denotes the specifications which apply over the full operating
temperature range, otherwise specifications and typical values are at T
A
= 25
°
C. V
S
= single 5V, EN pin to logic “l(fā)ow,” R
L
= 400
,
connected to midsupply, R
FIL
= R11 = R21 = R31 = R12 = R22 = R32, unless otherwise noted (see Block Diagram).
SYMBOL
PARAMETER
CONDITIONS
I
B
Op Amp Input Bias Current
V
S
= 3V
V
S
= 5V
V
S
=
±
5V
Inverter Bandwidth (Note 4)
Inverter Gain (Sections A and B, Note 5)
Frequency = DC
Frequency = 2MHz
Frequency = 10MHz
Inverter Phase Shift (Sections A and B,
Frequency = DC
Note 5)
Frequency = 2MHz
Frequency = 10MHz
SR
Slew Rate (OUTA, OUTB, OUTA,
OUTB) Pins
V
CM
Common Mode Input Voltage Range
V
S
= 3V
(GNDA and GNDB Pins, Note 6)
V
S
=
±
5V
Single Supply GND Reference Voltage
V
S
= 5V, GNDA Tied to GNDB
V
IL
EN Input Logic Low Level
V
S
= 3V, 5V or
±
5V
V
IH
EN Input Logic High Level
V
S
= 3V, 5V or
±
5V
EN Input Pull-Up Resistor
t
DIS
Disable (Shutdown) Time
t
EN
Enable (Start-Up) Time
MIN
TYP
0.5
0.4
–0.2
55
0.01
0.01
0.27
180
179
176
53
MAX
2
2
2
UNITS
G
G
G
μ
A
μ
A
μ
A
MHz
dB
dB
dB
DEG
DEG
DEG
V/
μ
s
G
–0.2
0.2
1 to 1.9
–3.4 to 2.7
2.5
V
V
V
V
V
G
V
+
– 2.1
G
V
+
– 0.6
30
40
20
100
k
μ
s
μ
s
EN Pin Steps from 0V to V
+
EN Pin Steps from V
+
to 0V
ELECTRICAL CHARACTERISTICS
Specifications are for the output (OUTA or OUTB) of a single2nd order section(A or B) with respect to V
GND
= V
GNDA
= V
GNDB
,
gain = –1, R
FIL
= R11 = R21 = R31 = R12 = R22 = R32, (see Block Diagram). The
G
denotes the specifications which apply over the
full operating temperature range, otherwise specifications and typical values are at T
A
= 25
°
C. V
S
= single 5V, EN pin to logic “l(fā)ow,”
R
L
= 400
, unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
ADC
DC Gain
V
OS(OUT)
DC Offset Voltage
V
S
= 3V, f
C
= 1MHz, R
FIL
= 1.28k
(V
OUTA
– V
GNDA
) or (V
OUTB
– V
GNDB
)
V
S
= 5V, f
C
= 1MHz, R
FIL
= 1.28k
V
S
=
±
5V, f
C
= 1MHz, R
FIL
= 1.28k
V
OS(OUT)
DC Offset Voltage Mismatch
V
S
= 3V, f
C
= 1MHz, R
FIL
= 1.28k
(V
OUTA
– V
GNDA
) – (V
OUTB
– V
GNDB
)
V
S
= 5V, V
S
=
±
5V, f
C
= 1MHz, R
FIL
= 1.28k
Transfer Function Characteristics for Each Section (A or B) to Single-Ended Output (OUTA or OUTB)
f
C
Cutoff Frequency Range (Note 7)
V
S
= 3V, V
S
= 5V, V
S
=
±
5V
TC
Cutoff Frequency Temperature Coefficient
MIN
–1.01
–5
–10
–12
–8
–10
TYP
–1
2.6
0.6
–4.0
±
4
±
4
MAX
–0.99
15
10
4
8
10
UNITS
V/V
mV
mV
mV
mV
mV
G
G
G
G
G
G
G
0.2
10
MHz
G
±
1
ppm/
°
C
FILTER ELECTRICAL CHARACTERISTICS
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LT1568CGNPBF 制造商:LINEAR_DIMENSIONS 制造商全稱:LINEAR_DIMENSIONS 功能描述:Very Low Noise, High Frequency Active RC, Filter Building Block
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