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ALD1108ESCL

更新时间： 2024-11-24 12:22:23
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QUAD/DUAL ELECTRICALLY PROGRAMMABLE ANALOG DEVICE (EPAD™)

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ALD1108ESCL 数据手册

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TM  
A
L
D
DVANCED  
INEAR  
EVICES, INC.  
®
e
EPAD  
A
ALD1108E/ALD1110E  
QUAD/DUAL ELECTRICALLY PROGRAMMABLE ANALOG DEVICE (EPAD™)  
GENERAL DESCRIPTION  
BENEFITS  
ALD1108E/ALD1110E are monolithic quad/dual EPAD® (Electrically  
Programmable Analog Device) N-channel MOSFETs with electrically  
adjustable threshold (turn-on) voltage. The ALD1108E/ALD1110E are  
matched and adjusted (e-trimmed) at the factory resulting in quad/dual  
MOSFETsthatarehighlymatchedinthresholdvoltagesandotherelectrical  
characteristics. For a given input voltage, the threshold voltage of a  
MOSFET device determines its drain on-current, resulting in an on-  
resistancecharacteristicthatcanbepreciselypresetandthencontrolledby  
the input voltage very accurately.  
• Precision matched electrically after  
packaging  
• Simple, elegant single-chip user option  
to trim voltage/current values  
• Excellent device matching characteristics  
with or without additional electrical trim  
• Remotely and electrically trim parameters  
on circuits that are physically inaccessible  
PIN CONFIGURATION  
Using an ALD1108E/ALD1110E is simple and straight forward. The  
MOSFETs function as n-channel MOSFETs, except that all the devices  
have exceptional matching to each other in electrical characteristics. Since  
these devices are on the same monolithic chip, they also exhibit excellent  
tempco matching characteristics.  
ALD1110E  
EPAD 2  
EPAD 1  
1
2
3
4
P
G
D
8
7
6
5
P
N2  
N1  
G
D
N2  
N1  
TheseMOSFETdeviceshaveverylowinputcurrents, andasaresultavery  
N1  
-
N2  
+
12  
high input impedance (>10 Ohm). The gate voltage from a control source  
+
v
S
, V  
12  
V
can drive many MOSFET inputs with practically no loading effects. Used in  
precision current mirror or current multiplier applications, they can be used  
to provide a current source over a 100nA to 3mA range, and with either a  
positive, negative or zero tempco.  
TOP VIEW  
SAL, PAL, DA PACKAGES  
ALD1108E  
EPAD 1  
EPAD 2  
ORDERING INFORMATION (“L” suffix denotes lead-free (RoHS))  
1
2
3
4
5
6
7
8
P
G
D
16  
15  
14  
13  
12  
11  
10  
9
P
N2  
N1  
N1  
N1  
Operating Temperature Range*  
G
D
N2  
0°C to +70°C  
0°C to +70°C  
-55°C to +125°C  
N2  
+
+
v
S
V
12  
8-Pin SOIC  
Package  
8-Pin Plastic Dip  
Package  
8-Pin CERDIP  
Package  
-
-
v
V
S
D
34  
D
N4  
N3  
ALD1110ESAL  
ALD1110EPAL  
ALD1110EDA  
G
P
G
N4  
N3  
N3  
16-Pin SOIC  
Package  
16-Pin Plastic Dip  
Package  
16-Pin CERDIP  
Package  
P
N4  
EPAD 4  
EPAD 3  
TOP VIEW  
SCL, PCL, DC PACKAGES  
ALD1108ESCL  
ALD1108EPCL  
ALD1108EDC  
* Contact factory for leaded (non-RoHS) or high temperature versions.  
BLOCK DIAGRAM  
BLOCK DIAGRAM  
ALD1110E  
ALD1108E  
V+(5)  
V+(13)  
P
(16)  
D
(11)  
N3  
P
(1)  
D
(3)  
P
(9)  
D
(6)  
P
(8)  
N4  
D
N2  
(14)  
D
N2  
(6)  
P (8)  
N2  
P
(1)  
D
(3)  
N1  
N2  
N
N1  
N3  
N4  
N4  
N1  
(2)  
~
G
~
G
(2)  
N1  
(10)  
N3  
G
(7)  
G
(15)  
N2  
G
N2  
(7)  
G
N1  
EPAD 2  
EPAD 3  
EPAD 4  
EPAD 1  
~
EPAD 1  
EPAD 2  
~
S
12  
(4)  
V- (5)  
S
(12)  
34  
S
(4)  
12  
V- (4)  
Rev 2.0 ©2012 Advanced Linear Devices, Inc. 415 Tasman Drive, Sunnyvale, CA 94089-1706 Tel: (408) 747-1155 Fax: (408) 747-1286  
www.aldinc.com  
1234567...14

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