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参数资料
| 型号： | MAX1135BEAP |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | ADC |
| 英文描述： | 16-Bit ADCs, 150ksps, 3.3V Single Supply |
| 中文描述： | 1-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20 |
| 封装： | 5.30 MM, 0.65 MM PITCH, SSOP-20 |
| 文件页数： | 10/18页 |
| 文件大小： | 353K |
| 代理商： | MAX1135BEAP |
M
The user-programmable outputs are set to zero during
power-on reset or when
RST
goes low. During hardware
or software shutdown, P0, P1, and P2 are unchanged
and remain low impedance.
Starting a Conversion
Start a conversion by clocking a control byte into the
device
’
s internal shift register. With
CS
low, each rising
edge on SCLK clocks a bit from DIN into the
MAX1134/MAX1135s
’
internal shift register. After
CS
goes low or after a conversion or calibration completes,
the first arriving logic 1 is defined as the start bit of the
control byte. Until this first start bit arrives, any number of
logic 0 bits can be clocked into DIN with no effect. If at
any time during acquisition or conversion
CS
is brought
high and then low again, the part is placed into a state
where it can recognize a new start bit. If a new start bit
occurs before the current conversion is complete, the
conversion is aborted and a new acquisition is initiated.
Internal and External Clock Modes
The MAX1134/MAX1135 use either the external serial
clock or the internal clock to perform the successive-
approximation conversion. In both clock modes, the
external clock shifts data in and out of the
MAX1134/MAX1135. Bit 5 (INT/
EXT
) of the control byte
programs the clock mode.
External Clock
In external clock mode, the external clock not only
shifts data in and out, but also drives the ADC conver-
sion steps.
In short acquisition mode, SSTRB pulses high for one
clock period after the seventh falling edge of SCLK fol-
lowing the start bit. The MSB of the conversion is avail-
able at DOUT on the eighth falling edge of SCLK
(Figure 2).
16-Bit ADCs, 150ksps, 3.3V Single Supply
10
______________________________________________________________________________________
SCLK
DOUT
A/D
STATE
DIN
SSTRB
CS
4
1
8
START
M1
M0
P2
P1
P0
UNI/
BIP
INT/
EXT
14
29
32
B4
B14
B15
MSB
B13
B3
B1
B0
LSB
B2
FILLED WITH
ZEROS
t
ACQ
ACQUISITION
CONVERSION
IDLE
IDLE
15
Figure 3. Long Acquisition Mode (32 Clock Cycles) External Clock
t
SDV
t
SSTRB
t
SSTRB
t
STR
P1 CLOCKED IN
SSTRB
SCLK
CS
Figure 4. External Clock Mode SSTRB Detailed Timing
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1135BEAP+ | 功能描述:模数转换器 - ADC 16-Bit 150ksps 3.3V Single Supply RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1135BEAP+T | 功能描述:模数转换器 - ADC 16-Bit 150ksps 3.3V Single Supply RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1135BEAP-T | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| MAX1136 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial 10-Bit ADCs |
| MAX1136_09 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial 10-Bit ADCs |
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