LM4921 datasheet(6/18 Pages) NSC

tên linh kiện	LM4921

Giải thích chi tiết về linh kiện	Low Voltage I2S 16-Bit Stereo DAC with Stereo Headphone Power Amplifiers and Volume Control

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Electrical Characteristics DV

DD = 3.0V, AVDD = 3.0V, RL =32Ω (Notes 1, 2)

The following specifications apply for the circuit shown in Figure 1 unless otherwise specified. Limits apply for T

A = 25˚C.

Symbol

Parameter

Conditions

LM4921

Units

(Limits)

Typical

Limit

(Note 6)

(Notes 7, 9)

DV

DD

Digital Power Supply Voltage

Note 8

3.0

V

AV

DD

Analog Power Supply Voltage

Note 8

3.0

V

DI

DD

Digital Power Supply Quiescent

Current

R

Load = ∞,fMLCK = 11.2896MHz

3.5

7.5

mA (max)

AI

DD

Analog Power Supply Quiescent

Current

R

Load = ∞,fMCLK = 0MHz

5

9.0

mA (max)

I

SD

Total Shutdown Power Supply

Current

SHUTDOWN SPI bits1&2set to

logic 0,

SPI, M

CLK and I

2S inputs at GND

1

uA(max)

I

SB

Standby Current

Analog and Digital together

All clocks off

15

uA

V

FS

Full-Scale Output Voltage

Gain set at max

2.6

V

P-P

THD+N

Total Harmonic Distortion + Noise

f

IN = 1kHz, POUT = 12mW

(Vol Cont = 11011, I

2S input adj to

get 12mW at output)

0.05

%

P

O

Headphone Amplifier Output Power THD = (0.5%), f

OUT = 1kHz

26

mW (min)

PSRR

Power Supply Rejection Ratio

AV

DD CBYPASS = 2.0µF

V

RIPPLE = 200mVP-P 217Hz

52

dB (min)

SNR

Signal-to-Noise Ratio

f

IN = 1kHz sinewave at -60dBFS,

A-weighted-f

CONV = 44.1kHz

79

dB

DR

Dynamic Range

f

IN = 1kHz sinewave at -60dBFS,

A-weighted

81

dB

∆A

CH-CH

Channel-to-Channel Gain Mismatch f

IN = 1kHz

0.06

dB

X

TALK

Channel-to-Channel Crosstalk

f

CONV = 44.1kHz,

f

IN = 1kHz sinewave at -3dBFS

72

dB

Volume Control Range

Minimum Attenuation

Maximum Attenuation

0

-43.5

dB

Volume Control Control Step Size

1.5

dB

Mute Attenuation

-100

dB

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Số phần tương tự - LM4921

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Texas Instruments	LM4921ITL/NOPB	1Mb / 26P	[Old version datasheet] LM4921 Low Voltage I2S 16-Bit Stereo DAC
	LM4921ITLX	1Mb / 26P	[Old version datasheet] LM4921 Low Voltage I2S 16-Bit Stereo DAC
	LM4921ITLX/NOPB	1Mb / 26P	[Old version datasheet] LM4921 Low Voltage I2S 16-Bit Stereo DAC

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Mô tả tương tự - LM4921

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Realtek Semiconductor C...	ALC5628	802Kb / 45P	I2S/PCM STEREO DAC WITH HEADPHONE
MOSA ELECTRONICS	MS6334	608Kb / 17P	16-Bit Stereo Audio DAC Integrated Headphone Driver with Volume Control
Texas Instruments	LM4921ITLX	1Mb / 26P	[Old version datasheet] LM4921 Low Voltage I2S 16-Bit Stereo DAC
MOSA ELECTRONICS	MS6821	880Kb / 26P	4 Stereo Inputs, 2W BTL Stereo Output 16-bit Stereo DAC and Volume Control
MOSA ELECTRONICS	MS6821	704Kb / 29P	4 Stereo Inputs, 2W BTL Stereo Output 16-bit Stereo DAC and Volume Control
ESS Technology,Inc	ES9219	1Mb / 67P	32-bit Stereo Low Power DAC with Headphone Amplifier, Analog Volume Control, and Output Switch February 27, 2020
ESS Technology,Inc	ES9218P	2Mb / 101P	32-bit Stereo Low Power DAC with Headphone Amplifier, Analog Volume Control, and Output Switch
Wolfson Microelectronic...	WM8728	344Kb / 28P	24-bit, 192kHz Stereo DAC with Volume Control
	WM8728	482Kb / 30P	24-bit, 192kHz Stereo DAC with Volume Control
	WM8706	298Kb / 26P	24-bit, 192kHz Stereo DAC with Volume Control

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