MX7705 datasheet(13/34 Pages) MAXIM | 16-Bit, Low-Power, 2-Channel, Sigma-Delta ADC

Part No.	MX7705

Description	16-Bit, Low-Power, 2-Channel, Sigma-Delta ADC

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Manufacturer	MAXIM [Maxim Integrated Products]

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13 / 34 page

16-Bit, Low-Power, 2-Channel,

Sigma-Delta ADC

______________________________________________________________________________________

13

SUPPLY CURRENT vs. SUPPLY VOLTAGE (3V)

SUPPLY VOLTAGE (V)

3.45

3.30

3.15

3.00

2.85

0.3

0.4

0.5

A

A: BUFFERED MODE

fCLKIN = 2.4576MHz,

GAIN = 8 TO 128

B: BUFFERED MODE

fCLKIN = 2.4576MHz,

GAIN = 1 TO 4

E: UNBUFFERED MODE

fCLKIN = 1MHz,

GAIN = 1 TO 128

C: BUFFERED MODE

fCLKIN = 1MHz,

GAIN = 1 TO 128

D: UNBUFFERED MODE

fCLKIN = 2.4576MHz,

GAIN = 1 TO 128

B

E

D

C

0.6

0.2

2.70

3.60

VDD = 3V

5.15

5.05

4.95

4.85

0.35

0.45

0.55

0.65

0.25

4.75

5.25

SUPPLY CURRENT vs. SUPPLY VOLTAGE (5V)

SUPPLY VOLTAGE (V)

A

A: BUFFERED MODE

fCLKIN = 2.4576MHz,

GAIN = 8 TO 128

B: BUFFERED MODE

fCLKIN = 2.4576MHz,

GAIN = 1 TO 4

E: UNBUFFERED MODE

fCLKIN = 1MHz,

GAIN = 1 TO 128

C: BUFFERED MODE

fCLKIN = 1MHz,

GAIN = 1 TO 128

D: UNBUFFERED MODE

fCLKIN = 2.4576MHz,

GAIN = 1 TO 128

B

E

D

C

VDD = 5V

60

35

10

-15

0.3

0.4

0.5

0.6

0.2

-40

85

SUPPLY CURRENT vs. TEMPERATURE (3V)

TEMPERATURE (

°C)

A

A: BUFFERED MODE

fCLKIN = 2.4576MHz,

GAIN = 8 TO 128

B: BUFFERED MODE

fCLKIN = 2.4576MHz,

GAIN = 1 TO 4

E: UNBUFFERED MODE

fCLKIN = 1MHz,

GAIN = 1 TO 128

C: BUFFERED MODE

fCLKIN = 1MHz,

GAIN = 1 TO 128

D: UNBUFFERED MODE

fCLKIN = 2.4576MHz,

GAIN = 1 TO 128

B

E

D

C

VDD = 3V

60

35

10

-15

0.35

0.45

0.55

0.65

0.25

-40

85

SUPPLY CURRENT vs. TEMPERATURE (5V)

TEMPERATURE (

°C)

A

A: BUFFERED MODE

fCLKIN = 2.4576MHz,

GAIN = 8 TO 128

B: BUFFERED MODE

fCLKIN = 2.4576MHz,

GAIN = 1 TO 4

E: UNBUFFERED MODE

fCLKIN = 1MHz,

GAIN = 1 TO 128

C: BUFFERED MODE

fCLKIN = 1MHz,

GAIN = 1 TO 128

D: UNBUFFERED MODE

fCLKIN = 2.4576MHz,

GAIN = 1 TO 128

B

E

D

C

VDD = 5V

Typical Operating Characteristics (continued)

(VDD = 3V or 5V, VREF+ = 1.225V for VDD = 3V, VREF+ = 2.5V for VDD = 5V, VREF- = GND, TA = +25°C, unless otherwise noted.)

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