ADVANCED
LINEAR
DEVICES, INC.
ALD1108E/ALD1110E
QUAD/DUAL ELECTRICALLY PROGRAMMABLE ANALOG DEVICE (EPAD™)
FEATURES
BENEFITS
• 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
• Simple, elegant single-chip solution
to trimming voltage/current values
• Direct in-circuit active element operation
and programming
• Wide dynamic range -- current levels from 0.1µA
• Remotely and electrically trim parameters on
circuits that are physically inaccessible
to 3000µA
• Voltage adjustment range from 1.000V to 3.000V
in 0.1mV steps
• Usable in environmentally sealed circuits
• No system overhead or active circuitry required
• No mechanical moving parts -- high G-shock
tolerance
• Proven, non-volatile CMOS technology
• Typical 10 years drift of less than 2mV
• Usable in voltage mode or current mode
• Improved reliability, dependability, dust and
• High input impedance -- 1012
Ω
moisture resistance
• Very high DC current gain -- greater than 109
• Device operating current has positive temperature
coefficient range and negative temperature
• Cost and labor savings
• Small footprint for high board density
applications
coefficient range with cross-over zero temperature
coefficient current level at 68µA
• Fully automated test and trimming environment
• Tight matching and tracking of on-resistance
between different devices with programming
PIN CONFIGURATION
ALD1108E
• Very low input currents and leakage currents
• Low cost, monolithic technology
EPAD 1
EPAD 2
• Application-specific or in-system programming modes
• User programmable software-controlled automation
1
2
3
4
5
6
7
8
P
N1
G
N1
D
N1
16
15
14
13
12
11
10
9
P
N2
G
D
N2
• User programmability of any standard/custom
configuration
N2
+
• Micropower operation
+
v
S
V
12
-
• Available in standard PDIP, SOIC and hermetic
-
v
V
S
D
34
CDIP packages
• Suitable for matched-pair balanced circuit configuration
• Suitable for both coarse and fine trimming applications
D
N4
N3
G
P
G
N4
N3
N3
P
N4
EPAD 4
ORDERING INFORMATION
Operating Temperature Range*
EPAD 3
DC, PC, SC PACKAGE
-55°C to +125°C
0°C to +70°C
0°C to +70°C
16-Pin
CERDIP
Package
16-Pin
Plastic Dip
Package
16-Pin
SOIC
Package
PIN CONFIGURATION
ALD1110E
ALD1108E DC
ALD1108E PC
ALD1108E SC
EPAD 2
EPAD 1
1
2
3
4
P
G
D
8
7
6
5
P
N2
N1
Operating Temperature Range*
G
D
N2
N1
-55°C to +125°C
0°C to +70°C
0°C to +70°C
N1
-
N2
+
8-Pin
CERDIP
Package
8-Pin
Plastic Dip
Package
8-Pin
+
v
S
, V
12
V
SOIC
Package
ALD1110E DA
ALD1110E PA
ALD1110E SA
DA, PA, SA PACKAGE
* Contact factory for industrial temperature range
© 1998 Advanced Linear Devices, Inc.415 Tasman Drive, Sunnyvale, California 94089 -1706Tel:(408) 747-1155 Fax: (408) 747-1286 http://www.aldinc.com