PCM3052ARTFR datasheet(3/45 Pages) BURR-BROWN

Part #	PCM3052ARTFR

Description	24-BIT, 96-kHz STEREO AUDIO CODEC WITH MICROPHONE AMPLIFIER, BIAS, MUXTIPLEXER, AND PGA

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Manufacturer	BURR-BROWN [Burr-Brown (TI)]

Direct Link	http://www.burr-brown.com

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ELECTRICAL CHARACTERISTICS

PCM3052A

SLES160 – NOVEMBER 2005

All specifications at T

A = 25°C, VCC1 = VCC2 = VCC3 = 5 V, VDD = 3.3 V, fS = 48 kHz, SCKI = 256 fS, 24-bit data, unless

otherwise noted

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

DIGITAL INPUT/OUTPUT – DATA FORMAT

Audio data interface format

I2S

Audio data bit length

24

Bits

Audio data format

MSB-first, 2s complement

Sampling frequency, ADC

16

48

96

kHz

fS

Sampling frequency, DAC

16

48

96

kHz

System clock frequency

256 fS

4

25

MHz

INPUT LOGIC

VIH(1)

2

VDD

Input logic level

VDC

VIL(1)

0.8

VIH(2)(3)

2

5.5

Input logic level

VDC

VIL(2) (3)

0.8

IIH(2)

VIN = VDD

±10

Input logic current

µA

IIL(2)

VIN = 0 V

±10

IIH(1)(3)

VIN = VDD

65

100

Input logic current

µA

IIL(1) (3)

VIN = 0 V

±10

OUTPUT LOGIC

VOH(4)

IOUT = –4 mA

2.8

VDC

VOL(4)(5)

IOUT = 4 mA

0.5

Output logic level

VOH(6)

IOUT = –0.3 mA

4.5

VDC

VOL(6)

IOUT = 0.3 mA

0.5

MICROPHONE AMPLIFIER

Input level

Single-ended

1

15

mVrms

Gain

Single-ended

40

dB

Input resistance

Single-ended

5

6

k

Ω

Frequency response

–3 dB

20

kHz

SNR

1-kHz, 100-mVrms output

59

dB

THD+N

1-kHz, 1-Vrms output

–77

dB

MICROPHONE BIAS GENERATOR

0.75 VCC1

Output voltage

IOUT = –1 mA

0.75 VCC1

V

– 0.15

+ 0.15

Output source current

1

mA

Output impedance

48

Ω

Output noise voltage

100 Hz–20 kHz, with 10-

µF

1.8

µVrms

decoupling

REFERENCE OUTPUT

0.5 VCC1

Output voltage

IOUT = ±10 mA

0.5 VCC1

V

– 0.15

+ 0.15

Output source/sink current

10

mA

Output impedance

6

Ω

Output noise voltage

100 Hz–20 kHz, with 10-

µF

1.8

µVrms

decoupling

(1)

Pins 10, 11: LRCK, BCK (Schmitt-trigger input with 50-k

Ω typical internal pulldown resistor)

(2)

Pins 12, 17, 18, 19, 21: DIN, SCKI, SDA, SCL, I2CEN (Schmitt-trigger input, 5-V tolerant)

(3)

Pins 9, 20 : PDWN, ADR (Schmitt-trigger input with 50-k

Ω typical internal pulldown resistor, 5-V tolerant).

(4)

Pins 13, 14: DOUT, DOUTS

(5)

Pin 18: SDA (Open-drain LOW output)

(6)

Pin 3: L/M

3

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PCM3052ARTFR Datasheet(PDF) 3 Page - Burr-Brown (TI)

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