參數資料
型號： AS3502
廠商： AUSTRIAMICROSYSTEMS AG
元件分類： 圓形連接器
英文描述： Circular Connector; No. of Contacts:3; Series:; Body Material:Aluminum Alloy; Connecting Termination:Solder; Connector Shell Size:22; Circular Contact Gender:Pin; Circular Shell Style:Box Mount Receptacle; Insert Arrangement:22-9 RoHS Compliant: No
中文描述： 13位線性編解碼器特征與模擬前端模塊
文件頁數： 4/29頁
文件大小： 364K
代理商： AS3502
REV. M
Page 4
September 1998
AS3502
Pin Description (continued)
Pin #
19
Name
SCLK
Type
DI
Function
Serial PCM Shift Clock Input
This pin acts as shift clock input signal for the externally provided signal for serial
PCM data transfer. The frequency may vary from 128 kHz to 4.096 MHz in 8 kHz
increments and should be synchronized to MCLK. In the receive direction the
bitstream is latched with the falling edge of this clock. In the transmit direction the
bitstream is shifted out with the rising edges of this clock.
Master Clock Input
This signal is the timing reference for all internal operations. The clock frequency
must be a integer multiple of 2.048 MHz with a maximum of 18.432MHz and must
be synchronized to SCLK. The required master clock dividing ratio is selected by
setting the DIV3 -DIV0 bits in the Digital Control Register.
Digital Negative Supply Voltage Input
20
MCLK
DI
21
GND
SI
22
23
TR+
TR-
DO
DO
Differential Toneringer Outputs
These digital outputs provide square or sine wave signal for driving transducers
directly. TRO+ and TRO- are operating in push/pull mode providing peak to peak
voltage swing of 2 x VDD.The output volume is programmable and is
accomplished either through pulse density modulation or through pulse width
modulation.
Differential Earpiece Outputs
These two pins are the outputs of the differential earpiece amplifier driving either
dynamic earpieces with 150
impedance or ceramic transducers with up to 50nF
directly. The signal reference on both pins is DC referenced to the internally gen-
erated Analogue Ground which is appr. 1/2 VDD.
Analogue Negative Supply Voltage Input
24
25
EP-
EP+
AO
AO
26
AVSS
SI
27
28
SP+
SP-
AO
AO
Differential Loudspeaker Outputs
These two pins are the outputs of the differential loudspeaker amplifier that is ca-
pable driving dynamic speakers with 50
impedance directly. The maximum
output power is 50mW. The signal reference on both pins is DC referenced to the
internally generated Analogue Ground which is appr. 1/2 VDD.
AO:
Analogue Output
DO: Digital Output
SI:
Supply Input
AI:
DI:
DI/O: Digital Input/Output
Analogue Input
Digital Input
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參數描述
AS3502 EB 制造商:AMS 功能描述:BOARD EVAL FOR AS3502
AS3502-EB 制造商:ams 功能描述:AS3501 Evaluation Board
AS3502-EQFP 功能描述:IC HEADPHONE NOISE-CANCEL 32-QFN RoHS:是 類別:集成電路 (IC) >> 接口 - 濾波器 - 有源 系列:* 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1,000 系列:- 濾波器類型:連續(xù)時間，帶通低通 頻率 - 截止或中心:150kHz 濾波器數:4 濾波器階數:8th 電源電壓:4.74 V ~ 11 V，±2.37 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:28-SOIC W 包裝:帶卷 (TR)
AS3502-EQFP-500 功能描述:IC HEADPHONE NOISE-CANCEL 32-QFN RoHS:是 類別:集成電路 (IC) >> 接口 - 濾波器 - 有源 系列:* 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1,000 系列:- 濾波器類型:連續(xù)時間，帶通低通 頻率 - 截止或中心:150kHz 濾波器數:4 濾波器階數:8th 電源電壓:4.74 V ~ 11 V，±2.37 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:28-SOIC W 包裝:帶卷 (TR)
AS350-MSF 制造商:Autec Power Systems 功能描述:AC/DC Power Supply Quad-OUT 3.3V/5V/12V/-12V 20A/20A/18A/0.8A 350W
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