AK7719B 查看數據表（PDF） - Asahi Kasei Microdevices

零件编号

产品描述 (功能)

生产厂家

AK7719B

Low Power DSP for Voice and Audio Processing

Asahi Kasei Microdevices 

[AK7719B]

8. SRC Characteristics

(Ta= -40°C~85°C; VDD=1.2V, TVDD=1.8V; VSS=0V; Signal Frequency = 1kHz, data = 24bit;

Measurement Bandwidth = 20Hz~FSO/2kHz; unless otherwise specified.)

Parameter

Symbol min typ max Unit

Resolution

24

Bits

Input Sample Rate

FSI

8

48

kHz

Output Sample Rate

FSO

8

48

kHz

THD+N (Input= 1kHz, 0dBFS)

FSO/FSI=48kHz/8kHz

-111 -103 dB

FSO/FSI=16kHz/48kHz

-113

dB

FSO/FSI=8kHz/48kHz

-113

dB

Dynamic Range (Input= 1kHz, -60dBFS)

FSO/FSI=48kHz/8kHz

108 113

dB

FSO/FSI=16kHz/48kHz

113

dB

FSO/FSI=8kHz/48kHz

111

dB

Dynamic Range (Input= 1kHz, -60dBFS, A-weighted)

dB

FSO/FSI=8kHz/48kHz

110

dB

Ratio between Input and Output Sample Rate

FSO/FSI 0.167

6

-

9. DC Characteristics

(Ta=-40ºC~85ºC; VDD=1.2V, TVDD =1.6V~3.6V; VSS =0V)

Parameter

Symbol

min

typ

max Unit

High level input

voltage

2.2VTVDD3.6V

1.6VTVDD<2.2V

VIH 70%TVDD

VIH 80%TVDD

V

Low level input

2.2VTVDD3.6V

VIL

voltage

1.6VTVDD<2.2V

VIL

30%TVDD

20%TVDD

V

High level inptu voltage Iout=-200A (Note 6) VOH TVDD-0.2

V

Low level input voltage Iout= 200A (Note 6) VOL

0.2

V

SDA low level output TVDD ≥ 2.0V

voltage Iout=3mA

TVDD < 2.0V

VOL

0.4

V

20%TVDD V

Input leak current

Iin

±10

A

Pull down resistance (Note 7)

Rpd

40

kΩ

Note 6. Except for the SDA pin.

Note 7. The SYNC2, BCLK2, SYNC5 and BCLK5 pins are internally pulled-down (PDS2 bit = PDS5 bit= “0”

(default)).

MS1565-E-00-PB

9

2013/11

Share Link: