DS1267BE-010+ Maxim Integrated, DS1267BE-010+ Datasheet - Page 7

• Manufacturer Part Number: DS1267BE-010+
• Description: Digital Potentiometer ICs Digital Sextet Potentiometer
• Manufacturer: Maxim Integrated

Specifications of DS1267BE-010+

• Resistance: 10 kOhms
• Temperature Coefficient: 750 PPM / C
• Tolerance: 20 %
• Number Of Pots: Dual
• Taps Per Pot: 256
• Digital Interface: 3-Wire
• Description/function: Dual Digital Potentiometer Chip
• Operating Supply Voltage: 4.5 V to 5.5 V
• Supply Current: 5 mA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: TSSOP-20
• Minimum Operating Temperature: - 40 C
• Supply Voltage - Max: 5.5 V
• Supply Voltage - Min: 4.5 V

DS1267B
Figure 8 shows the device operating in a fixed gain attenuator where the potentiometer is used to
attenuate an incoming signal. Note the resistance R1 is chosen to be much greater than the wiper
resistance to minimize its effect on circuit gain.
INVERTING VARIABLE GAIN AMPLIFIER Figure 7
FIX GAIN ATTENUATOR Figure 8
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