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參數(shù)資料
| 型號： | GR581 |
| 英文描述： | GR581 - Low noise Adaptive High Pass Filter with Independent Gain Block |
| 中文描述： | GR581 -低噪聲自適應(yīng)高通濾波器的獨(dú)立增益模塊 |
| 文件頁數(shù)： | 2/4頁 |
| 文件大小： | 80K |
| 代理商： | GR581 |
520 - 60 - 05
2
PARAMETER
VALUE
Supply Voltage
3 VDC
Power Dissipation
25 mW
Operating Temperature Range
-10
°
C to 40
°
C
Storage Temperature Range
-20
°
C to 70
°
C
A OUT
RECTCAP
RECTIN
VB
VREG
A IN
GND
CB
B OUT
CA
CAUTION
CLASS 1 ESD SENSITIVITY
ABSOLUTE MAXIMUM RATINGS
PIN CONNECTIONS
PARAMETER
SYMBOL
CONDITIONS MIN TYP MAX UNITS
Total Current
I
T
V
REG
165
300
450
μ
A
Voltage Regulator (Pin 1)
0.87
0.93
0.99
V
DC
NFB 0.2 - 10kHz Filter f
c
set to 0.2kHz
at 12dB/oct Filter f
c
set to 2kHz
-
2.6
-
-
5.6
-
Attack Time
t
ATT
t
RE
L
-
30
-
ms
Release Time
-
90
-
ms
STAGE A
Quiescent Voltage on pin 5
V
Q5
A
OL
R
F
I
SOURCE
I
SINK
0.49
-
0.67
V
DC
dB
Open Loop Gain
45
56
-
Feedback Resistor
175
265
355
k
Current Sourcing Capacity
15
30
-
μ
A
Current Sinking Capacity
15
30
-
μ
A
FILTER SECTION
Quiescent Voltage on pin 3
V
Q3
V
Q4
V
Q8
V
Q9
FIL
0.49
0.58
0.67
V
DC
V
DC
V
DC
V
DC
dB
Quiescent Voltage on pin 4
0.49
0.58
0.67
Quiescent Voltage on pin 8
0.55
-
0.78
Quiescent Voltage on pin 9
0.55
-
0.78
Filter Insertion Loss
V
OUT
= 850mV
RMS
f=2kHz (S1 closed)
V
OUT
= 850mV
RMS
f=1kHz (S1 closed)
V
AC 2
= 2.5mV
RMS
(S2 closed)
f = 100Hz (Note 1)
V
AC2
= 20mV
RMS
(S2 closed)
VP9 = 0V
-0.5
0.1
1.3
Distortion
THD
-
2
3
%
5
7
9
Rectifier Bandwidth
B
R
I
P9
I
RANGE
-
4
-
kHz
Pin 9 Nominal Current
0.70
1.00
1.30
μ
A
Current Range
(Note 2, 3)
8
10
12
Slope
(Note 2, 4)
0.75
1
1.25
Rectifier Threshold
V
TH
f
c
f = 100Hz (Note 2, 5)
1.7
2.5
2.8
mV
DC
Hz
Corner Frequency
(Note 2, 6)
140
200
260
μ
V
RMS
Input Referred Noise
Rectifier Gain A
REC
IRN
All Conditions and Parameters remain as show in Test Circuit unless otherwise specified in CONDITIONS Column.
V
QX
- quiescent (unbias) voltage measured on the pin, (nothing connected to the pin). V
PX
- actual voltage measured on the pin at given condition ( X is pin number).
NOTES:
1.
A
REC
= 1.9375 x (V
P4
/ V
P3
) [V
IN
= 10mV
RMS
] - 0.9375 x (V
P4
/ V
P3
) [V
IN
= 18mV
RMS
]
2.
I
D0
=
I
P9
[V
P9
= 0] ;
I
D2
=
I
P9
[V
P4
= V
Q4
+ 85mV ; V
P9
= 0];
3.
I
RANGE
=
I
D3
/
I
D0
4.
SLOPE = (
(I
D2
-
I
D1
) / 50mV ) x 14k
5.
V
AL
= 85mV - ((
I
D2
-
I
D0
) / SLOPE) x 14k
: V
AH
= 85mV + ( 50mV x (
I
D3
-
I
D2
) / (
I
D2
-
I
D1
));
V
P4
≤
V
AL
[V
IN
= 1.7mV
RMS
] and V
P4
≥
V
AL
[V
IN
= 2.8mV
RMS
]
6.
c
= 1 / ( 2 x
π
x 1.41 x 10nF x R );
I2 = ((3 x (
I
D0
+
I
P9
[V
P9
= V
Q9
+ 18mV] )) / ( 4 - ((
I
D0
+
I
P9
[V
P9
= V
Q9
+ 18mV] ) / (
I
D0
+
I
P9
[V
P9
= V
Q9
- 18mV] )))
I
D1
=
I
P9
[ V
P4
= V
Q4
+ 35mV ; V
P9
= 0]
I
D3
=
I
P9
[V
P4
= V
Q4
+ 180mV ; V
P9
= 0]
R = 26mV x (( 1 /
I
D0
) + ( 1 / ( I2 -
I
D0
)))
ELECTRICAL CHARACTERISTICS
Conditions: Supply Voltage V
CC
= 1.3 V, Temperature 25
o
C
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