DS1866Z+ Maxim Integrated Products, DS1866Z+ Datasheet
DS1866Z+
Manufacturer Part Number
DS1866Z+
Description
IC POT TRIM LOG 2.7-5.5V 8-SOIC
Manufacturer
Maxim Integrated Products
Datasheet
1.DS1866Z.pdf
(5 pages)
Specifications of DS1866Z+
Taps
8
Resistance (ohms)
10K
Number Of Circuits
1
Temperature Coefficient
750 ppm/°C Typical
Memory Type
Volatile
Interface
3-Input Parallel
Voltage - Supply
2.7 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Resistance In Ohms
10K
Number Of Pots
Single
Taps Per Pot
8
Resistance
10 KOhms
Wiper Memory
Volatile
Digital Interface
Parallel (3-Input)
Operating Supply Voltage
2.7 V to 5.5 V
Supply Current
50 uA
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Description/function
Log Trimmer Potentiometer
Mounting Style
Through Hole
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2.7 V
Tolerance
20 %
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
FEATURES
§ Single 8-position Log Trimmer Potentiometer
§ Operates from 2.7V to 5.5V supplies
§ Parallel interface control: P0, P1, P2
§ Standard Resistance Value: 10 k
§ 8-pin DIPs; 8-pin (150) SOICs
§ Operating Temperature Range:
DESCRIPTION
The DS1866 Log Trimmer Potentiometer is a single volatile digital potentiometer having eight positions
with a 5-dB resolution per step. The device provides an ideal method for low-cost trimming or volume
control using a CPU or manual control input. The device’ s wiper position is set to one of eight positions
by a 3-terminal parallel port. The value of the wiper position is determined by the P0, P1, and P2 port
pins.
The DS1866 is available as a 10k potentiometer and is available in an industrial temperature grade.
Additionally, the DS1866 will operate from 3V or 5V supplies and is ideal for portable applications
requiring low standby current. Two packaging options are available and include the 8-pin (300-mil) DIP,
8-pin (150-mil) SOIC.
www.dalsemi.com
5-dB/step
- Industrial: -40°C to +85°C
1 of 5
PIN ASSIGNMENT
PIN DESCRIPTION
H
L
W
V
P0
P1
P2
GND
Log Trimmer Potentiometer
CC
See Mech. Drawings Section
See Mech. Drawings Section
GND
GND
P0
P0
P1
P1
8-Pin SOIC (150-mil)
H
H
8-Pin DIP (300-mil)
1
1
2
3
4
2
3
4
- High End of Resistor
- Low End of Resistor
- Wiper Terminal
- 3V or 5V Power Supply Input
- Position Select - Bit 0
- Position Select - Bit 1
- Position Select - Bit 2
- Ground
8
7
6
5
8
7
6
5
L
P2
L
P2
W
V
V
W
CC
CC
DS1866
102199
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DS1866Z+ Summary of contents
Page 1
FEATURES § Single 8-position Log Trimmer Potentiometer 5-dB/step § Operates from 2.7V to 5.5V supplies § Parallel interface control: P0, P1, P2 § Standard Resistance Value § 8-pin DIPs; 8-pin (150) SOICs § Operating Temperature Range: - ...
Page 2
OPERATION The DS1866 is a single volatile potentiometer. The device has a total of eight positions providing a resolution per step and giving a total attenuation range -35 dB. These tap points are ...
Page 3
One Time Programmability (OTP). The DS1866 can be easily used as an OTP device. This can be accomplished by terminating the P0, P1 desired logic levels during system manufacturing. On power up, the value of P0, P1, ...
Page 4
ABSOLUTE MAXIMUM RATINGS* Voltage on Any Pin Relative to Ground Operating Temperature Storage Temperature Soldering Temperature * This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the ...
Page 5
NOTES: 1. All voltages are referenced to ground. 2. For ± 10% maximum V CC =2.0 volts minimum. 3. Resistor input voltages cannot go below ground or exceed V 4. Maximum current specifications are based on the ...