CS5371A-ISZ(2006) Ver la hoja de datos (PDF) - Cirrus Logic

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CS5371A-ISZ
(Rev.:2006)

Low-power, High-performance ∆Σ Modulators

Cirrus Logic 

CS5371A CS5372A

TEMPERATURE CONDITIONS

Parameter

Symbol Min

Typ

Max

Unit

Ambient Operating Temperature

TA

-40

-

85

ºC

Storage Temperature Range

TSTR

-65

-

150

ºC

Allowable Junction Temperature

TJCT

-

-

125

ºC

Junction to Ambient Thermal Impedance (4-layer PCB)

θJA

-

65

-

ºC / W

ANALOG INPUT CHARACTERISTICS

Parameter

Symbol Min

Typ

Max

VREF Input

[VREF+] - [VREF-]

(Note 2, 3) VREF

-

2.500

-

VREF-

(Note 4) VREF-

-

VA -

-

VREF Input Current

VREF Input Noise

Modulator INR±, INF± Inputs

VREFIMOD

-

120

-

(Note 7) VREFIN

-

-

1

External Anti-alias Filter

(Note 8)

Series Resistance

Differential Capacitance

RAA

CDIFF

-

680

-

-

20

-

Differential Input Impedance

Single-ended Input Impedance

INR± ZDIFINR

-

20

-

INF± ZDIFINF

-

1

-

INR± ZSEINR

-

40

-

INF± ZSEINF

-

2

-

Unit

V

V

µA

µVrms

Ω

nF

kΩ

MΩ

kΩ

MΩ

Notes: 7. Maximum integrated noise over the measurement bandwidth for the voltage reference device attached

to the VREF± inputs.

8. Anti-alias capacitors are discrete external components and must be of good quality (C0G, NPO, poly).

Poor quality capacitors will degrade total harmonic distortion (THD) performance. See Figure 1 on

page 6

DS748F1

5

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