MAX5413EUD 查看數據表（PDF） - Maxim Integrated

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MAX5413EUD

Dual, 256-Tap, Low-Drift, Digital Potentiometers in 14-Pin TSSOP

Maxim Integrated 

Dual, 256-Tap, Low-Drift, Digital Potentiometers

in 14-Pin TSSOP

ADDRESS

B0 (A0)

B1 (D7)

(MSB)

First Bit In

Figure 4. Serial Data Format

B2 (D6)

B3 (D5)

DATA WORD

B4 (D4)

B5 (D3)

B6 (D2)

B7 (D1)

B8 (D0)

(LSB)

Last Bit In

R3

HX

WX

R2

+5V

MAX5413

LX

MAX5414

MAX5415

VCC

VIN

VOUT

V0

MAX4250

V0 / IS = R3 (1 + R2/R1) + R2

Figure 5. I to V Converter

Adjustable Voltage Reference

In Figure 7, the MAX5413/MAX5414/MAX5415

are shown with the MAX6160 to make an adjustable

voltage reference. In this circuit, the HX pin of the

MAX5413/MAX5414/MAX5415 is connected to the

OUT pin of the MAX6160, the LX pin of the MAX5413/

MAX5414/MAX5415 is connected to GND, and the WX

pin of the MAX5413/MAX5414/MAX5415 is connected

to the ADJ pin of the MAX6160. The MAX5413/

MAX5414/MAX5415 allow precise setting of the voltage

reference output. A low 5ppm/°C ratiometric tempco

allows a very stable adjustable voltage overtemperature.

HX

WX MAX5413

MAX5414

MAX5415

LX

Figure 6a. Adjustable Gain Circuit

VCC

VIN

VOUT

WX

LX

HX

MAX5413

MAX5414

MAX5415

Figure 6b. Adjustable Gain Circuit Using 3-Terminal

Potentiometer

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