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参数资料
| 型号： | MAX1035EUP+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/31页 |
| 文件大小： | 0K |
| 描述： | IC ADC 14BIT SER 115KSPS 20TSSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 位数： | 14 |
| 采样率（每秒）： | 115k |
| 数据接口： | MICROWIRE?，串行，SPI? |
| 转换器数目： | 1 |
| 功率耗散（最大）： | 879mW |
| 电压电源： | 模拟和数字 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 20-TSSOP |
| 包装： | 带卷 (TR) |
| 输入数目和类型： | 4 个单端，单极；4 个单端，双极；2 个差分，单极；2 个差分，双极 |
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Detailed Description
The MAX1034/MAX1035 multirange, low-power, 14-bit
successive-approximation ADCs operate from a single
+5V supply and have a separate digital supply allowing
digital interface with 2.7V to 5.25V systems. These 14-bit
ADCs have internal track-and-hold (T/H) circuitry that
supports single-ended and fully differential inputs. For
single-ended conversions, the valid analog input voltage
range spans from -VREF below ground to +VREF above
ground. The maximum allowable differential input volt-
age spans from -2 x VREF to +2 x VREF. Data can be
converted in a variety of software-programmable chan-
nel and data-acquisition configurations. Microprocessor
(P) control is made easy through an SPI-/QSPI-/
MICROWIRE-compatible serial interface.
MAX1034/MAX1035
8-/4-Channel, ±VREF Multirange Inputs,
Serial 14-Bit ADCs
______________________________________________________________________________________
13
Pin Description (continued)
PIN
MAX1034
MAX1035
NAME
FUNCTION
21
18
AGND3
Analog Signal Ground 3. AGND3 is the ADC negative reference potential. Connect AGND3 to
AGND1. DGND, DGNDO, AGND3, AGND2, and AGND1 must be connected together.
22
19
AVDD2
Analog Supply Voltage 2. Connect AVDD2 to a +4.75V to +5.25V power-supply voltage.
Bypass AVDD2 to AGND2 with a 0.1F capacitor.
23
20
AGND2
Analog Ground 2. This ground carries approximately five times more current than AGND1.
DGND, DGNDO, AGND3, AGND2, and AGND1 must be connected together.
24
1
AGND1
Analog Ground 1. DGND, DGNDO, AGND3, AGND2, and AGND1 must be connected together.
4–20mA
PLC
ACCELERATION
PRESSURE
TEMPERATURE
WHEATESTONE
1
F
0.1
F
AGND2
DGNDO
AGND3
DGND
AVDD2
DVDD
AVDD1
0.1
F
0.1
F
0.1
F
5.0V
MAX1034
CHO
CH1
CH2
CH3
CH4
CH5
CH6
CH7
REF
AGND1
REFCAP
0.1
F
3.3V
MC68HCXX
C
DVDDO
SCLK
CS
DIN
SSTRB
DOUT
VDD
SCK
I/O
MOSI
I/O
MISO
VSS
Figure 1. Typical Application Circuit
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