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MAX1035EUP PDF预览

MAX1035EUP

更新时间: 2024-11-02 04:42:11
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描述
8-/4-Channel, 【VREF Multirange Inputs, Serial 14-Bit ADCs

MAX1035EUP 数据手册

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19-3574; Rev 0; 5/05  
8-/4-Channel, ±± Multirange Inputs,  
REF  
Serial 14-Bit ADCs  
General Description  
Features  
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  
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).  
Channel  
Single-Ended Input Ranges  
0 to +V  
/2, -V  
/2 to 0, 0 to +V  
, -V  
to  
REF  
REF  
REF  
REF  
0, ±V  
/4, ±V  
/2, and ±V  
REF  
REF  
REF  
Differential Input Ranges  
±V /2, ±V , and ±2 ꢀ V  
REF  
REF  
REF  
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)  
Four Single-Ended or Two Differential Analog  
Inputs (MAX1035)  
±±V ꢁOerOoltage Tolerant Inputs  
Internal or Eꢀternal Reference  
115ksps Maꢀimum Sample Rate  
Single +5V Power Supply  
input ranges (0 to +V  
/2, -V  
/2 to 0, 0 to +V  
,
REF  
V
REF  
/2, and  
REF  
-V  
to 0,  
V
/4,  
V
), and three  
REF  
REF  
REF  
REF  
differential input ranges ( V  
/2, V  
, 2 x 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.  
20-/24-Pin TSSꢁP 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  
PIN-  
PART  
TEMP RANGE  
CHANNELS  
PACKAGE  
Applications  
MAX1034EUG*  
MAX1035EUP  
-40°C to +85°C 24 TSSOP  
-40°C to +85°C 20 TSSOP  
8
4
Industrial Control Systems  
Data-Acquisition Systems  
Avionics  
*Future product—contact factory for availability.  
Pin Configurations  
Robotics  
TOP VIEW  
AV  
1
2
3
4
5
6
7
8
9
24 AGND1  
23 AGND2  
DD1  
CH0  
CH1  
CH2  
CH3  
CH4  
CH5  
CH6  
CH7  
22 AV  
DD2  
21 AGND3  
20 REF  
MAX1034  
19 REFCAP  
18 DV  
17 DV  
DD  
DDO  
16 DGND  
15 DGNDO  
14 DOUT  
13 SCLK  
CS 10  
DIN 11  
SSTRB 12  
SPI and QSPI are a trademarks of Motorola, Inc.  
MICROWIRE is a trademark of National Semiconductor Corp.  
TSSꢁP  
Pin Configurations continued at end of data sheet.  
________________________________________________________________ Maxim Integrated Products  
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at  
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.  

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