CS5540 データシートの表示（PDF） - Cirrus Logic

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CS5540

Low-Power, Low-Voltage, 24 - Bit ∆Σ ADC

Cirrus Logic 

CS5540

ANALOG CHARACTERISTICS (Continued)

Parameter

Analog Input

Common Mode + Signal on AIN+ or AIN-

Single Supply

Dual Supplies

CVF Current on AIN+, AIN-

Input Leakage for MUX when off

Common Mode Rejection

dc

50, 60Hz

Input Capacitance

Voltage Reference Input

Range

(VREF+) - (VREF-)

Min

Typ

0.0

-

VA-

-

(Note 6) -

12

-

10

-

120

-

120

-

8

(Note 8) 0.1

2.5

CVF Current on VREF+ and VREF-

Common Mode Rejection

dc

50, 60 Hz

Input Capacitance

Dynamic Characteristics

Modulator Sampling Frequency

Filter Settling to 1/2 LSB (Full Scale Step)

6.7 SPS OWR

Power Supplies

DC Power Supply Currents

(Normal Mode)

IA+

ID+

Power Consumption

Normal Mode

Sleep Mode

Power Supply Rejection

dc Positive Supplies

dc Negative Supplies

(Note 7) -

-

-

-

-

(Note 9)

-

20

120

120

12

MCLK/2

1/OWR

-

225

-

25

(Note 10) -

750

-

30

-

80

-

80

Max

VA+

VA+

-

-

-

-

-

(VA+) -

(VA-)

-

-

-

-

-

-

280

36

1000

-

-

-

Units

V

V

nA

pA

dB

dB

pF

V

nA

dB

dB

pF

Hz

s

µA

µA

µW

µW

dB

dB

Notes: 6. See Section 2.1, “Analog Input”.

7. See Section 2.2, “Voltage Reference Input”.

8. Absolute voltages on VREF+ and VREF- must be less than or equal to the supply voltages.

9. The CS5540 includes a digital filter. The filter which achieves simultaneous rejection of 50/60 Hz

provides single conversion settling at a 6.7 SPS throughput.

10. All outputs unloaded. All inputs at CMOS levels.

DS503PP1

5

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