PCM1850PJTG4 datasheet(7/33 Pages) TI1

Part #	PCM1850PJTG4

Description	6 2-CHANNEL MUX AND PGA

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Manufacturer	TI1 [Texas Instruments]

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PCM1850

PCM1851

SLES108 − MARCH 2004

www.ti.com

7

ELECTRICAL CHARACTERISTICS (Continued)

All specifications at TA = 25°C, VCC = 5 V, VDD = 3.3 V, master mode, fS = 48 kHz, system clock = 256 fS, 24-bit data, unless otherwise noted

PARAMETER

TEST CONDITIONS

PCM1850PJT, PCM1851PJT

UNIT

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

DYANAMIC PEFORMANCE(1) (2)

fS = 48 kHz, VIN = –0.5 dB (1.89 Vrms)

0.0023%

0.004%

THD+N (3)

fS = 96 kHz(4), VIN = –0.5 dB (1.89

Vrms)

0.0027%

THD+N (3)

fS = 48 kHz, VIN = –60 dB (2 mVrms)

1%

THD+N (3)

fS = 96 kHz(4), VIN = –60 dB (2 mVrms)

1%

Dynamic range (3)

fS = 48 kHz, A-weighted

96

102

dB

Dynamic range (3)

fS = 96 kHz(4), A-weighted

102

dB

S/N ratio (3)

fS = 48 kHz, A-weighted

96

101

dB

S/N ratio (3)

fS = 96 kHz(4), A-weighted

102

dB

Channel separation (between L-ch and

fS = 48 kHz

92

98

dB

Channel separation (between L ch and

R-ch) (3)

fS = 96 kHz(4)

100

dB

Channel separation (among channels) (5)

fS = 48 kHz

90

96

dB

Channel separation (among channels) (5)

fS = 96 kHz(4)

96

dB

DIGITAL FILTER PERFORMANCE

Pass band

0.454 fS

Hz

Stop band

0.583 fS

Hz

Pass-band ripple

±0.05

dB

Stop-band attenuation

–65

dB

Delay time

17.4/fS

s

HPF frequency response

–3 dB

0.019 fS

mHz

POWER SUPPLY REQUIREMENTS

VCC

Voltage range

4.5

5

5.5

VDC

VDD

Voltage range

2.7

3.3

3.6

VDC

I

Operation

28

35

mA

ICC

Power down (7)

190

µA

Supply current (6)

fS = 48 kHz

6

10

mA

I

Supply current (6)

fS = 96 kHz (4)

12

mA

IDD

Power down (7), PCM1850

80

µA

Power down (7), PCM1851

280

µA

Power dissipation operation

fS = 48 kHz

160

208

Power dissipation, operation

fS = 96 kHz (4)

180

mW

Power dissipation power down (7)

PCM1850

1.2

mW

Power dissipation, power down (7)

PCM1851

1.9

TEMPERATURE RANGE

Operation temperature

–40

85

°C

Thermal resistance (

θJA)

80

°C/W

(1) Analog performance specifications are tested with the System Two™ audio measurement system by Audio Precision™, using a 400-Hz HPF and

20-kHz LPF in the RMS mode at fIN = 1 kHz.

(2) Reference level (0 dB) is specified as 2-V rms input on VINL[1:6] and VINR[1:6] pins with PGA gain of –5.5 dB.

(3) Unselected channel inputs are terminated to AGND with 0.33 µF.

(4) fS = 96 kHz, system clock = 256 fS.

(5) 2-V rms input is applied to all unselected channels, and input of selected channel is terminated to AGND with 0.33 µF.

(6) Minimum load on DOUT (pin 3), BCK (pin 2), LRCK (pin 1)

(7) Halt SCKI, BCK, LRCK.

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