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參數(shù)資料
| 型號： | MAX128AENG |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | Circular Connector; No. of Contacts:15; Series:MS27467; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:15; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:15-15 RoHS Compliant: No |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDIP24 |
| 封裝： | PLASTIC, DIP-24 |
| 文件頁數(shù)： | 11/16頁 |
| 文件大?。?/td> | 124K |
| 代理商： | MAX128AENG |
S lave Address
The MAX127/MAX128 have a 7-bit-long slave address.
The first four bits (MSBs) of the slave address have
been factory programmed and are always 0101. The
logic state of the address input pins (A2–A0) determine
the three LSBs of the device address (Figure 3). A max-
imum of eight MAX127/MAX128 devices can therefore
be connected on the same bus at one time.
A2–A0 may be connected to V
DD
or DGND, or they
may be actively driven by TTL or CMOS logic levels.
The eighth bit of the address byte determines whether
the master is writing to or reading from the MAX127/
MAX128 (R/
W
= 0 selects a write condition. R/
W
= 1
selects a read condition).
Conversion Control
The master signals the beginning of a transmission with
a START condition (S), which is a high-to-low transition
on SDA while SCL is high. When the master has fin-
ished communicating with the slave, the master issues
a STOP condition (P), which is a low-to-high transition
on SDA while SCL is high (Figure 4). The bus is then
free for another transmission. Figure 5 shows the timing
diagram for signals on the 2-wire interface. The
address-byte, control-byte, and data-byte are transmit-
ted between the START and STOP conditions. The SDA
state is allowed to change only while SCL is low, except
for the START and STOP conditions. Data is transmitted
in 8-bit words. Nine clock cycles are required to trans-
fer the data in or out of the MAX127/MAX128. (Figures
9 and 10).
M
Multirange, +5V, 12-Bit DAS with
2-Wire S erial Interfac e
______________________________________________________________________________________
11
SCL
SDA
SLAVE ADDRESS BITS A2, A1, AND A0 CORRESPOND TOTHE LOGIC STATE
OF THE ADDRESS INPUT PINS A2, A1, AND A0.
0
0
1
A2
1
R/W
A1
A0
LSB
ACK
SLAVE ADDRESS
Figure 3. Address Byte
SCL
SDA
t
LOW
t
HIGH
t
F
t
R
t
HD
,
STA
t
HD
,
DAT
t
HD
,
STA
t
SU
,
DAT
t
SU
,
STA
t
BUF
t
SU
,
STO
START CONDITION
STOP CONDITION
REPEATED START CONDITION
START CONDITION
Figure 5. 2-Wire Serial-Interface Timing Diagram
SCL
SDA
START CONDITION
STOP CONDITION
Figure 4. START and STOP Conditions
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX128AENG+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Integrated Circuits (ICs) RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX128BCAI | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Integrated Circuits (ICs) RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX128BCAI+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 8Ch 8ksps 4.18V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX128BCAI+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 8Ch 8ksps 4.18V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX128BCAI-T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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