A
DVANCED
L
INEAR
D
EVICES,
I
NC.
ALD1123E/ALD1121E
QUAD/DUAL EPAD
®
PRECISION MATCHED PAIR N-CHANNEL MOSFET ARRAY
FEATURES
BENEFITS
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Electrically Programmable Analog Device
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CMOS Technology
Operates from 2V, 3V, 5V to 10V
Flexible basic circuit building block and design element
Very high resolution -- average e-trim voltage
resolution of 0.1mV
Wide dynamic range -- current levels from 0.1µA
to 3000µA
Voltage adjustment range from 1.000V to 3.000V
in 0.1mV steps
Proven, non-volatile CMOS technology
Typical 10 years drift of less than 2mV
Usable in voltage mode or current mode
High input impedance -- 10
12
Ω
Very high DC current gain -- greater than 10
9
Device operating current has positive temperature
coefficient range and negative temperature
coefficient range with cross-over zero temperature
coefficient current level at 68µA
Tight matching and tracking of on-resistance
between different devices with e-trim
Wide dynamic resistance matching range
Very low input currents and leakage currents
Low cost, monolithic technology
Application-specific or in-system programming modes
Optional user software-controlled automation
Optional e-trim of any standard/custom configuration
Micropower operation
Available in standard PDIP, SOIC and hermetic CDIP packages
Suitable for matched-pair balanced circuit configuration
Suitable for both coarse and fine trimming as well as matched
MOSFET array applications
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Precision matched electrically after packaging
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Simple, elegant single-chip user option
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to trimming voltage/current values
Excellent device matching characteristics with
or without additional electrical trim
Remotely and electrically trim parameters on
circuits that are physically inaccessible
Usable in environmentally sealed circuits
No mechanical moving parts -- high G-shock
tolerance
Improved reliability, dependability, dust and
moisture resistance
Cost and labor savings
Small footprint for high board density
applications
PIN CONFIGURATION
ALD1123E
P
N1
G
N1
D
N1
V-
1,
S
N1
P
N4
G
N4
D
N4
V-
2,
S
N4
1
2
3
4
5
6
7
8
M4
M3
M1
M2
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16
15
14
13
12
11
10
9
S
N2
D
N2
G
N2
P
N2
S
N3
D
N3
G
N3
P
N3
ORDERING INFORMATION
Operating Temperature Range*
0°C to +70°C
0°C to +70°C
16-Pin
Plastic Dip
Package
ALD1123E PC
16-Pin
SOIC
Package
ALD1123E SC
DC, PC, SC PACKAGE
PIN CONFIGURATION
ALD1121E
P
N1
G
N1
1
M1
2
3
M2
4
5
P
N2
7
6
D
N2
G
N2
8
S
N2
Operating Temperature Range*
0°C to +70°C
0°C to +70°C
8-Pin
Plastic Dip
Package
ALD1121E PA
* Contact factory for industrial temperature range
D
N1
S
N1,
V-
8-Pin
SOIC
Package
ALD1121E SA
DA, PA, SA PACKAGE
© 2003 Advanced Linear Devices, Inc. 415 Tasman Drive, Sunnyvale, California 94089 -1706 Tel: (408) 747-1155 Fax: (408) 747-1286 www.aldinc.com
ALD [ ADVANCED LINEAR DEVICES ]
