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参数资料
| 型号： | MAX1134BEAP |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | ADC |
| 英文描述： | Low-Voltage Adjustable Precision Shunt Regulator 3-SOT-89 0 to 70 |
| 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： | 9/18页 |
| 文件大小： | 353K |
| 代理商： | MAX1134BEAP |
range is 0 to +2.048V (unipolar) or
±
2.048V (bipolar).
Unipolar and bipolar mode selection is configured with
bit 6 of the serial control byte (Table 1).
Figure 1 shows the equivalent input circuit of the
MAX1134/MAX1135. The resistor network on the analog
input provides
±
16.5V fault protection. This circuit limits
the current going into or out of the pin to less than 2mA.
The overvoltage protection is active even if the device
is in a power-down mode, or if AV
DD
= 0.
Digital Interface
The digital interface pins consist of
SHDN
,
RST
,
SSTRB, DOUT, SCLK, DIN, and
CS
. Bringing
SHDN
low
places the MAX1134/MAX1135 in its 1.2μA shutdown
mode. A logic low on
RST
halts the MAX1134/MAX1135
operation and returns the part to its power-on-reset
state.
In external clock mode, SSTRB is low and pulses high
for one clock cycle at the start of conversion. In internal
clock mode, SSTRB goes low at the start of the conver-
sion, and goes high to indicate that the conversion is
finished.
The DIN input accepts control byte data, which is
clocked in on each rising edge of SCLK. After
CS
goes
low or after a conversion or calibration completes, the
first logic 1 clocked into DIN is interpreted as the
START bit, the MSB of the 8-bit control byte.
The SCLK input is the serial-data-transfer clock, which
clocks data in and out of the MAX1134/MAX1135.
SCLK also drives the ADC conversion steps in external
clock mode (see the
Internal and External Clock Modes
section).
DOUT is the serial output of the conversion result.
DOUT is updated on the falling edge of SCLK. DOUT is
high impedance when
CS
is high.
CS
must be low for the MAX1134/MAX1135 to accept a
control byte. The serial interface is disabled when
CS
is
high.
User-Programmable Outputs
The MAX1134/MAX1135 have three user-program-
mable outputs: P0, P1, and P2. The power-on default
state for the programmable outputs is zero. These are
push-pull CMOS outputs suitable for driving a multi-
plexer, a PGA, or other signal preconditioning circuitry.
Bits 0, 1, and 2 of the control byte control the user-pro-
grammable outputs (Tables 1, 2).
M
16-Bit ADCs, 150ksps, 3.3V Single Supply
_______________________________________________________________________________________
9
ACQUISITION
CONVERSION
IDLE
IDLE
SCLK
DOUT
A/D
STATE
DIN
SSTRB
CS
4
1
8
12
START
M1
M0
P2
P1
P0
UNI/
BIP
INT/
EXT
15
21
24
B12
B11
B14
B13
B10
B9
B4
B15
MSB
B2
FILLED WITH
ZEROS
B3
B1
B0
LSB
t
ACQ
Figure 2. Short Acquisition Mode (24 Clock Cycles) External Clock
OUTPUT PIN
PROGRAMMED
THROUGH CONTROL
BYTE
POWER-ON OR
RST
DEFAULT
DESCRIPTION
P2
Bit 2
0
P1
Bit 1
0
P0
Bit 0
0
User-programmable outputs follow the state of the control
byte
’
s 3 LSBs, and are updated simultaneously when a new
control byte is written. Outputs are push-pull. In hardware and
software shutdown, these outputs are unchanged and remain
low impedance.
Table 2. User-Programmable Outputs
相关PDF资料 |
PDF描述 |
|---|---|
| MAX1135BCAP | Low-Voltage Adjustable Precision Shunt Regulator 3-SOT-89 0 to 70 |
| MAX1135BEAP | 16-Bit ADCs, 150ksps, 3.3V Single Supply |
| MAX1136 | Low-Voltage Adjustable Precision Shunt Regulator 3-SOT-23 -40 to 85 |
| MAX1137 | 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial 10-Bit ADCs |
| MAX1138 | 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial 10-Bit ADCs |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1134BEAP+ | 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 |
| MAX1134BEAP+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 |
| MAX1134BEAP-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 |
| MAX1135 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:16-Bit ADCs.150ksps.3.3V Single Supply |
| MAX11358B | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:16-Bit Data-Acquisition System with ADC, DAC, UPIOs, RTC, Voltage Monitors, and Temp Sensor |
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