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MAX1034EUG+ PDF预览

MAX1034EUG+

更新时间: 2024-11-02 12:20:43
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31页 431K
描述
8-/4-Channel, ±VREF Multirange Inputs,Serial 14-Bit ADCs

MAX1034EUG+ 数据手册

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19-3574; Rev 2; 3/12  
8-/4-Channel, ±± Multirange Inputs,  
REF  
Serial 14-Bit ADCs  
4/MAX1035  
General Description  
Features  
o Software-Programmable Input Range for Each  
The MAX1034/MAX1035 multirange, low-power, 14-bit,  
successive-approximation, analog-to-digital converters  
(ADCs) operate from a single +5V supply and achieve  
throughput rates up to 115ksps. A separate digital sup-  
ply allows digital interfacing with 2.7V to 5.25V systems  
Channel  
o Single-Ended Input Ranges  
0V to +V  
/2, -V  
/2 to 0V, 0V to +V  
,
REF  
REF  
REF  
-V  
REF  
to 0V, V /4, V  
REF  
/2, and V  
®
REF REF  
using the SPI-/QSPI™-/MICROWIRE -compatible serial  
interface. Partial power-down mode reduces the supply  
current to 1.3mA (typ). Full power-down mode reduces  
the power-supply current to 1µA (typ).  
o Differential Input Ranges  
/2, V , and 2 x V  
REF  
V
REF  
REF  
o Eight Single-Ended or Four Differential Analog  
The MAX1034 provides eight (single-ended) or four (true  
differential) analog input channels. The MAX1035 pro-  
vides four (single-ended) or two (true differential) analog  
input channels. Each analog input channel is indepen-  
dently software programmable for seven single-ended  
Inputs (MAX1034)  
o Four Single-Ended or Two Differential Analog  
Inputs (MAX1035)  
6V Overvoltage Tolerant Inputs  
o
input ranges (0V to +V  
/2, -V  
/2 to 0V, 0V to +V  
,
REF  
V
REF  
/2, and  
REF  
), and three  
o Internal or External Reference  
o 115ksps Maximum Sample Rate  
o Single +5V Power Supply  
-V  
to 0V,  
V
/4,  
V
REF  
REF  
REF  
REF  
, 2 x V  
differential input ranges ( V  
/2, V  
).  
REF  
REF  
REF  
An on-chip +4.096V reference offers a small convenient  
ADC solution. The MAX1034/MAX1035 also accept an  
external reference voltage between 3.800V and 4.136V.  
o 20-/24-Pin TSSOP Package  
The MAX1034 is available in a 24-pin TSSOP package  
and the MAX1035 is available in a 20-pin TSSOP pack-  
age. Each device is specified for operation from -40°C  
to +85°C.  
Ordering Information  
PART  
MAX1034EUG+  
MAX1035EUP+  
PIN-PACKAGE  
24 TSSOP  
CHANNELS  
8
4
Applications  
20 TSSOP  
Note: All devices are specified over the -40°C to +85°C opera-  
ting temperature range.  
+Denotes a lead(Pb)-free/RoHS-compliant package.  
Industrial Control Systems  
Data-Acquisition Systems  
Avionics  
Pin Configurations  
Robotics  
TOP VIEW  
+
AVDD1  
CH0  
CH1  
CH2  
CH3  
CH4  
CH5  
CH6  
CH7  
1
2
3
4
5
6
7
8
9
24 AGND1  
23 AGND2  
22 AVDD2  
21 AGND3  
20 REF  
MAX1034  
19 REFCAP  
18 DVDD  
17 DVDDO  
16 DGND  
15 DGNDO  
14 DOUT  
13 SCLK  
CS 10  
DIN 11  
SSTRB 12  
QSPI is a trademark of Motorola, Inc.  
MICROWIRE is a registered trademark of National  
Semiconductor Corp.  
TSSOP  
Pin Configurations continued at end of data sheet.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,  
or visit Maxim’s website at www.maxim-ic.com.  

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