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General Description
The MAX1303 multirange, low-power, 16-bit, succes-
sive-approximation, analog-to-digital converter (ADC)
operates from a single +5V supply and achieves
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 1A (typ).
The MAX1303 provides four (single-ended) or two (true
differential) analog input channels. Each analog input
channel is independently software programmable for
seven single-ended input ranges (0V to +VREF/2,
-VREF/2 to 0V, 0V to +VREF, -VREF to 0V, ±VREF/4,
±VREF/2, and ±VREF), and three differential input
ranges (±VREF/2, ±VREF, ±2 x VREF).
An on-chip +4.096V reference offers a small convenient
ADC solution. The MAX1303 also accepts an external
reference voltage between 3.800V and 4.136V.
The MAX1303 is available in a 20-pin TSSOP package,
and is specified for operation from -40°C to +85°C.
Applications
Industrial Control Systems
Data-Acquisition Systems
Avionics
Robotics
Features
o Software-Programmable Input Range for Each
Channel
o Single-Ended Input Ranges
0V to +VREF/2, -VREF/2 to 0V, 0V to +VREF, -VREF
to 0V, ±VREF/4, ±VREF/2, and ±VREF
o Differential Input Ranges
±VREF/2, ±VREF, and ±2 x VREF
o Four Single-Ended or Two Differential Analog
Inputs
o ±6V Overvoltage Tolerant Inputs
o Internal or External Reference
o 115ksps Maximum Sample Rate
o Single +5V Power Supply
o 20-Pin TSSOP Package
MAX1303
4-Channel, ±VREF Multirange Inputs,
Serial 16-Bit ADC
________________________________________________________________
Maxim Integrated Products
1
Pin Configuration
Ordering Information
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
AGND2
AVDD2
AGND3
REF
CH1
CH0
AVDD1
AGND1
REFCAP
DVDD
DVDDO
DGND
DIN
CS
CH3
CH2
12
11
9
10
DGNDO
DOUT
SCLK
SSTRB
MAX1303
TSSOP
TOP VIEW
+
19-3576; Rev 2; 3/12
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.
PART
PIN-PACKAGE
CHANNELS
MAX1303AEUG+
20 TSSOP
4
MAX1303BEUG+
20 TSSOP
4
QSPI is a trademark of Motorola, Inc.
MICROWIRE is a registered trademark of National
Semiconductor Corp.
Note: All devices are specified over the -40°C to +85°C oper-
ating temperature range.
+
Denotes a lead(Pb)-free/RoHS-compliant package.
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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
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制造商:Maxim Integrated Products 功能描述:
MAX13042EEBC+T
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