AK4425AET datasheet, PDF - EEWORLD Datasheet

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AK4425AET: Description192kHz 24-Bit Stereo ÎÎ£ DAC with 2Vrms Output; CategoryAnalog mixed-signal IC converter; File Size324KB，27 Pages; ManufacturerAKM [Asahi Kasei Microsystems]

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AK4425AET Overview

192kHz 24-Bit Stereo ÎÎ£ DAC with 2Vrms Output

AK4425AET Parametric

Parameter Name	Attribute value
Maker	AKM [Asahi Kasei Microsystems]
Parts packaging code	TSSOP
package instruction	TSSOP,
Contacts	16
Reach Compliance Code	unknow
ECCN code	3A001.A.5.B
Converter type	D/A CONVERTER
Enter bit code	2\'S COMPLEMENT
Input format	SERIAL
JESD-30 code	R-PDSO-G16
length	5 mm
Number of digits	24
Number of functions	1
Number of terminals	16
Maximum operating temperature	85 °C
Minimum operating temperature	-20 °C
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Certification status	Not Qualified
Maximum seat height	1.1 mm
Nominal supply voltage	5 V
surface mount	YES
Temperature level	OTHER
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
width	4.4 mm

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[AK4425A]

AK4425A

192kHz 24-Bit Stereo

ΔΣ

DAC with 2Vrms Output

GENERAL DESCRIPTION

The AK4425A is a 5V 24-bit stereo DAC with an integrated 2Vrms output buffer. A charge pump in the

buffer develops an internal negative power supply rail that enables a ground-referenced 2Vrms output.

Using AKM’s multi bit modulator architecture, the AK4425A delivers a wide dynamic range while

preserving linearity for improved THD+N performance. The AK4425A integrates a combination of

switched-capacitor and continuous-time filters, increasing performance for systems with excessive clock

jitter. The 24-bit word length and 192kHz sampling rate make this part ideal for a wide range of consumer

audio applications, such as DVD, AV receiver system and set-top boxes. The AK4425A is offered in a

space saving 16pin TSSOP package.

FEATURES

Sampling Rate Ranging from 8kHz to 192kHz

128 times Oversampling (Normal Speed Mode)

64 times Oversampling (Double Speed Mode)

32 times Oversampling (Quad Speed Mode)

24-Bit 8 times FIR Digital Filter

Switched-Capacitor Filter with High Tolerance to Clock Jitter

Single Ended 2Vrms Output Buffer

Digital De-emphasis Filter: 32kHz, 44.1kHz or 48kHz

Soft mute

Digital Attenuator (Linear 256 Step)

Control I/F: 3-wire

Audio I/F format: 24Bit MSB justified, 24/20/16 LSB justified or

S compatible

Master clock: 256fs, 384fs, 512fs, 768fs or 1152fs (Normal Speed Mode)

128fs, 192fs, 256fs or 384fs (Double Speed Mode)

128fs, 192fs (Quad Speed Mode)

THD+N: -91dB

Dynamic Range: 106dB

Automatic Power-on Reset Circuit

Power supply: +4.5

∼

+5.5V

Ta = -20 to 85°C

Small Package: 16pin TSSOP (6.4mm x 5.0mm)

MS1127-E-01

-1-

2011/03

AK4425AET Related Products

	AK4425AET	AK4425A	AKD4425A
Description	192kHz 24-Bit Stereo ÎÎ£ DAC with 2Vrms Output	192kHz 24-Bit Stereo ÎÎ£ DAC with 2Vrms Output	192kHz 24-Bit Stereo ÎÎ£ DAC with 2Vrms Output

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