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參數資料
| 型號： | MAX5548 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Dual, 8-Bit, Programmable, 30mA High-Output-Current DAC |
| 中文描述： | 雙路、8位、可編程、可提供30mA高輸出電流的DAC |
| 文件頁數： | 10/15頁 |
| 文件大?。?/td> | 296K |
| 代理商： | MAX5548 |
M
Early STOP Conditions
The MAX5548 recognizes a STOP condition at any point
during transmission except if a STOP condition occurs in
the same high pulse as a START condition (
Figure 4).
This condition is not allowed in the I
2
C format.
Repeated START Conditions
A repeated START (S
r
) condition is used when the bus
master is writing to several I
2
C devices and does not
want to relinquish control of the bus. The MAX5548’s
serial interface supports continuous write operations
with an S
r
condition separating them.
Acknowledge Bit (ACK)
Successful data transfers are acknowledged with an
acknowledge bit (ACK). Both the master and the
MAX5548 (slave) generate acknowledge bits. To gen-
erate an acknowledge, the receiving device must pull
SDA low before the rising edge of the acknowledge-
related clock pulse (ninth pulse) and keep it low during
the high period of the clock pulse (Figure 5).
Monitoring the acknowledge bits allows for detection of
unsuccessful data transfers. An unsuccessful data
transfer happens if a receiving device is busy or if a
system fault has occurred. In the event of an unsuc-
cessful data transfer, the master should reattempt com-
munication at a later time.
Slave Address
A master initiates communication with a slave device
by issuing a START condition followed by a slave
address (see Table 3). The slave address consists of 7
Dual, 8-Bit, Programmable, 30mA
High-Output-Current DAC
10
______________________________________________________________________________________
S
P
Sr
SCL
SDA
Figure 3. START and STOP Conditions
SCL
SDA
STOP
START
SCL
SDA
ILLEGAL
STOP
START
ILLEGAL EARLY STOP CONDITION
LEGAL STOP CONDITION
Figure 4. Early STOP Conditions
SCL
SDA
S
P
Sr
t
SU:DAT
t
HD:DAT
t
RDA
t
RCL
t
FCL
t
HIGH
t
LOW
t
HIGH
t
LOW
t
FCL
t
RCL
t
SU:STO
t
HD:STA
t
FDA
t
SU:STA
Figure 2. I
2
C Serial-Interface Timing Diagram
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| MAX5548ETE | 功能描述:數模轉換器- DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5548ETE#G16 | 功能描述:數模轉換器- DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5548ETE#TG16 | 功能描述:數模轉換器- DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5548ETE+ | 功能描述:數模轉換器- DAC 8-Bit 2Ch Precision DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
| MAX5548ETE+T | 功能描述:數模轉換器- DAC 8-Bit 2Ch Precision DAC RoHS:否 制造商:Texas Instruments 轉換器數量:1 DAC 輸出端數量:1 轉換速率:2 MSPs 分辨率:16 bit 接口類型:QSPI, SPI, Serial (3-Wire, Microwire) 穩(wěn)定時間:1 us 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-14 封裝:Tube |
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