參數(shù)資料
型號: W6810ISG
廠商: WINBOND ELECTRONICS CORP
元件分類: 編解碼器
英文描述: A/MU-LAW, PCM CODEC, PDSO20
封裝: 0.300 INCH, ROHS COMPLIANT, PLASTIC, SOP-20
文件頁數(shù): 36/37頁
文件大?。?/td> 320K
代理商: W6810ISG
W6810
- 8 -
7. FUNCTIONAL DESCRIPTION
W6810 is a single-rail, single channel PCM CODEC for voiceband applications. The CODEC complies
with the specifications of the ITU-T G.712 recommendation. The CODEC also includes a complete
μ-
Law and A-Law compander. The
μ-Law and A-Law companders are designed to comply with the
specifications of the ITU-T G.711 recommendation.
The block diagram in section 3 shows the main components of the W6810. The chip consists of a
PCM interface, which can process long and short frame sync formats, as well as GCI and IDL formats.
The pre-scaler of the chip provides the internal clock signals and synchronizes the CODEC sample
rate with the external frame sync frequency.
The power conditioning block provides the internal
power supply for the digital and the analog section, while the voltage reference block provides a
precision analog ground voltage for the analog signal processing.
The main CODEC block diagram
is shown in section 3.
Figure 7.1 The W6810 Signal Path
7.1. Transmit Path
The A-to-D path of the CODEC contains an analog input amplifier with externally configurable gain
setting (see application examples in section 11). The device has an input operational amplifier whose
output is the input to the encoder section. If the input amplifier is not required for operation it can be
powered down and bypassed. In that case a single ended input signal can be applied to the AO pin or
the AI- pin. The AO pin becomes high input impedance when the input amplifier is powered down. The
input amplifier can be powered down by connecting the AI+ pin to VDD or VSS. The AO pin is selected
as an input when AI+ is tied to VDD and the AI- pin is selected as an input when AI+ is tied to VSS (see
Table 7.1).
PAO+
PAO
8
μ/A-
Cont
AI+
AI -
w
μ/A-
Cont
ol
AO
+
RO-
-
VA
G
Ant-Aliasi
Filter
=
H
Ant
i
-Aliasi
n
Filter
fC = 200
H
High
Pas
Filt
Smoot
nFilter
2
H
Smoot
nFilter
1
8
μ/A
Control
8
μ/A-
Control
PAI
VAG
Ant-Aliasing
Filter
-
Aliasing
Filter
Ant-
Filter
High Pass
Filter
Smoothing
Filter
Smoothing
Filter
Receive Path
Transmit Path
+
-
+
-
A/D
Converter
D/A
Converter
fC= 3400Hz
C
= 200Hz
f
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
W6810ISG TR 功能描述:IC VOICEBAND CODEC 5V 1CH 20SOP RoHS:是 類別:集成電路 (IC) >> 接口 - 編解碼器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:立體聲音頻 數(shù)據(jù)接口:串行 分辨率(位):18 b ADC / DAC 數(shù)量:2 / 2 三角積分調(diào)變:是 S/N 比,標(biāo)準(zhǔn) ADC / DAC (db):81.5 / 88 動態(tài)范圍,標(biāo)準(zhǔn) ADC / DAC (db):82 / 87.5 電壓 - 電源,模擬:2.6 V ~ 3.3 V 電壓 - 電源,數(shù)字:1.7 V ~ 3.3 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:48-TQFN-EP(7x7) 包裝:帶卷 (TR)
W6810IW 功能描述:IC VOICEBND CODEC 5V 1CH 20TSSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 編解碼器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:立體聲音頻 數(shù)據(jù)接口:串行 分辨率(位):18 b ADC / DAC 數(shù)量:2 / 2 三角積分調(diào)變:是 S/N 比,標(biāo)準(zhǔn) ADC / DAC (db):81.5 / 88 動態(tài)范圍,標(biāo)準(zhǔn) ADC / DAC (db):82 / 87.5 電壓 - 電源,模擬:2.6 V ~ 3.3 V 電壓 - 電源,數(shù)字:1.7 V ~ 3.3 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:48-TQFN-EP(7x7) 包裝:帶卷 (TR)
W6810IWG 功能描述:IC VOICEBND CODEC 5V 1CH 20TSSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 編解碼器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:立體聲音頻 數(shù)據(jù)接口:串行 分辨率(位):18 b ADC / DAC 數(shù)量:2 / 2 三角積分調(diào)變:是 S/N 比,標(biāo)準(zhǔn) ADC / DAC (db):81.5 / 88 動態(tài)范圍,標(biāo)準(zhǔn) ADC / DAC (db):82 / 87.5 電壓 - 電源,模擬:2.6 V ~ 3.3 V 電壓 - 電源,數(shù)字:1.7 V ~ 3.3 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:48-TQFN-EP(7x7) 包裝:帶卷 (TR)
W6810IW-G 制造商:Winbond Electronics Corp 功能描述:
W6810IWG TR 功能描述:IC VOICEBND CODEC 5V 1CH 20TSSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 編解碼器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:立體聲音頻 數(shù)據(jù)接口:串行 分辨率(位):18 b ADC / DAC 數(shù)量:2 / 2 三角積分調(diào)變:是 S/N 比,標(biāo)準(zhǔn) ADC / DAC (db):81.5 / 88 動態(tài)范圍,標(biāo)準(zhǔn) ADC / DAC (db):82 / 87.5 電壓 - 電源,模擬:2.6 V ~ 3.3 V 電壓 - 電源,數(shù)字:1.7 V ~ 3.3 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:48-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:48-TQFN-EP(7x7) 包裝:帶卷 (TR)