CS4461 View Datasheet(PDF) - Cirrus Logic

Part Name

Description

Manufacturer

CS4461

Multi-Bit A/D for Class-D Real-Time PSR Feedback

Cirrus Logic 

CS4461

DC ELECTRICAL CHARACTERISTICS

(GND = 0 V, all voltages with respect to ground.

PSR_MCLK=12.288 MHz)

Parameter

Symbol Min

Typ

Power Supply Current

(Normal Operation)

Power Supply Current

(Power-Down Mode) (Note 4)

Power Consumption

(Normal Operation)

(Power-Down Mode)

VA

IA

-

VDP = 5.0 V

ID

-

VDP = 3.3 V

ID

-

VA

IA

-

VDP = 5.0 V

ID

-

17.5

22

14.5

2

2

VDP = 5.0 V

VDP = 3.3 V

VDP = 5.0 V

-

198

-

135

-

20

ADC Power Supply Rejection Ratio (1 kHz)

(Note 5) PSRR

-

65

VQ Nominal Voltage

Output Impedance

Maximum allowable DC current source/sink

-

2.5

-

25

-

0.01

FILT+ Nominal Voltage

Output Impedance

Maximum allowable DC current source/sink

-

5

-

18

-

0.01

Max

21

26

17

-

-

235

161

-

-

-

-

-

-

-

-

Unit

mA

mA

mA

mA

mA

mW

mW

mW

mW

dB

V

kΩ

mA

V

kΩ

mA

Notes:

4. Power Down Mode is defined as PSR_RESET = Low with all clocks and data lines held static.

5. Valid with the recommended capacitor values on FILT+ and VQ as shown in the Typical Connection

Diagram.

DIGITAL CHARACTERISTICS

Parameter

High-Level Input Voltage

Low-Level Input Voltage

High-Level Output Voltage at Io = 100 µA

Low-Level Output Voltage at Io = 100 µA

OVERFLOW Current Sink

Input Leakage Current

(% of VDP)

(% of VDP)

(% of VDP)

(% of VDP)

Symbol

VIH

VIL

VOH

VOL

IOVERFLOW

Iin

Min

70%

-

70%

-

-

-

Typ Max Units

-

-

V

-

30%

V

-

-

V

-

15%

V

-

4.0

mA

-

±10

µA

THERMAL CHARACTERISTICS

Parameter

Allowable Junction Temperature

Junction to Ambient Thermal Impedance

Symbol Min

Typ

-

-

θJA

-

70

Max

135

-

Unit

°C

°C/W

4

DS650F1

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