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參數(shù)資料
| 型號： | AK4387 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | 106dB 192kHz 24-Bit 2ch ツヒ DAC |
| 中文描述： | 一零六分貝192kHz的24位2通道ツヒ數(shù)模轉換器 |
| 文件頁數(shù)： | 14/21頁 |
| 文件大?。?/td> | 257K |
| 代理商： | AK4387 |
ASAHI KASEI
[AK4387]
MS0429-E-00
2005/09
- 14 -
Reset Function
When RSTN bit =0, DAC is powered down but the internal register values are not initialized. The analog outputs go to
VCOM voltage and DZF pins go to “H”. Figure 7 shows the example of reset by RSTN bit.
Internal
State
RSTN bit
Digital Block Power-down
Normal Operation
GD
GD
“0” data
D/A Out
(Analog)
D/A In
(Digital)
Clock In
MCLK,LRCK,BICK
(1)
(3)
DZF
(3)
(1)
(2)
Normal Operation
2/fs(5)
Internal
RSTN bit
2~3/fs (6)
3~4/fs (6)
Don’t care
(4)
Notes:
(1) The analog output corresponding to digital input has the group delay (GD).
(2) Analog outputs go to VCOM voltage (AVDD/2).
(3) Click noise occurs at the edges(“
↑
↓
”) of the internal timing of RSTN bit. This noise is output even if “0” data is
input.
(4) The external clocks (MCLK, BICK and LRCK) can be stopped in the reset mode (RSTN pin = “L”).
(5) DZF pins go to “H” when the RSTN bit becomes “0”, and go to “L” at 2/fs after RSTN bit becomes “1”.
(6) There is a delay, 3~4/fs from RSTN bit “0” to the internal RSTN bit “0”, and 2~3/fs from RSTN bit “1” to the
internal RSTN bit “1”.
Figure 7. Reset Sequence Example
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| AK4388AETP-E2 | 功能描述:IC DAC 24BIT PARALLEL 16TSSOP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉換器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 設置時間:4µs 位數(shù):12 數(shù)據(jù)接口:串行 轉換器數(shù)目:2 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應商設備封裝:8-uMAX 包裝:管件 輸出數(shù)目和類型:2 電壓，單極 采樣率（每秒）:* 產品目錄頁面:1398 (CN2011-ZH PDF) |
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