FEATURES
• Operates from 2V, 3V, 5V to 10V
• Flexible basic circuit building block and design element
• Very high resolution -- average programmable 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 programming
• Very low input currents and leakage currents
• Low cost, monolithic technology
• Application-specific or in-system programming modes
• User programmable software-controlled automation
• User programmability 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 applications
QUAD/DUAL ELECTRICALLY PROGRAMMABLE ANALOG DEVICE (EPAD™)
ADVANCED
LINEAR
DEVICES, INC.
ALD1108E/ALD1110E
BENEFITS
• Simple, elegant single-chip solution
to trimming voltage/current values
• Direct in-circuit active element operation
and programming
• Remotely and electrically trim parameters on
circuits that are physically inaccessible
• Usable in environmentally sealed circuits
• No system overhead or active circuitry required
• 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
• Fully automated test and trimming environment
Operating Temperature Range*
-55°C to +125°C0°C to +70°C0°C to +70°C
8-Pin 8-Pin 8-Pin
CERDIP Plastic Dip SOIC
Package Package Package
ALD1110E DA ALD1110E PA ALD1110E SA
Operating Temperature Range*
-55°C to +125°C0°C to +70°C0°C to +70°C
16-Pin 16-Pin 16-Pin
CERDIP Plastic Dip SOIC
Package Package Package
ALD1108E DC ALD1108E PC ALD1108E SC
ORDERING INFORMATION
PIN CONFIGURATION
PIN CONFIGURATION
* Contact factory for industrial temperature range
P
N2
1
2
3 14
15
16
4 13 V
+
5 12 S
34
P
N3
6
7
8
10
11
G
N1
D
N1
P
N1
S
12
V
-
G
N4
P
N4
D
N4
9
G
N3
D
N3
D
N2
G
N2
DC, PC, SC PACKAGE
v
-
v
+
ALD1108E
EPAD 1 EPAD 2
EPAD 4 EPAD 3
P
N2
1
2
3 6
7
8
4 5 V
+
G
N1
D
N1
P
N1
S
12
, V
-

D
N2
G
N2
DA, PA, SA PACKAGE
v
+
ALD1110E
EPAD 1 EPAD 2
© 1998 Advanced Linear Devices, Inc. 415 Tasman Drive, Sunnyvale, California 94089 -1706 Tel: (408) 747-1155 Fax: (408) 747-1286 http://www.aldinc.com