FEATURES
• Electrically Programmable Analog Device
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
QUAD/DUAL EPAD
®
PRECISION MATCHED PAIR N-CHANNEL MOSFET ARRAY
ADVANCED
LINEAR
DEVICES, INC.
ALD1123E/ALD1121E
BENEFITS
• Precision matched electrically after packaging
• Simple, elegant single-chip user option
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
PIN CONFIGURATION
Operating Temperature Range*
0°C to +70°C0°C to +70°C
8-Pin 8-Pin
Plastic Dip SOIC
Package Package
ALD1121E PA ALD1121E SA
Operating Temperature Range*
0°C to +70°C0°C to +70°C
16-Pin 16-Pin
Plastic Dip SOIC
Package Package
ALD1123E PC ALD1123E SC
ORDERING INFORMATION
* Contact factory for industrial temperature range
© 2003 Advanced Linear Devices, Inc. 415 Tasman Drive, Sunnyvale, California 94089 -1706 Tel: (408) 747-1155 Fax: (408) 747-1286 www.aldinc.com
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ALD1121E
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N2
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ALD1123E
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