參數資料
型號： MAX1243AESA+
廠商： Maxim Integrated Products
文件頁數： 1/13頁
文件大?。?/td> 0K
描述： IC ADC 10BIT SERIAL 8-SOIC
產品培訓模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝： 100
位數： 10
采樣率（每秒）： 73k
數據接口： MICROWIRE?，QSPI?，串行，SPI?
轉換器數目： 1
功率耗散（最大）： 471mW
電壓電源： 單電源
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 8-SOIC（0.154"，3.90mm 寬）
供應商設備封裝： 8-SOIC
包裝： 管件
輸入數目和類型： 1 個單端，單極
19-1156; Rev 3; 1/12
MAX1242/MAX1243
+2.7V to +5.25V, Low-Power, 10-Bit
Serial ADCs in SO-8
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
__________________General Description
The MAX1242/MAX1243 are low-power, 10-bit analog-
to-digital converters (ADCs) available in 8-pin pack-
ages. They operate with a single +2.7V to +5.25V
supply and feature a 7.5s successive-approximation
ADC, a fast track/hold (1.5s), an on-chip clock, and a
high-speed, 3-wire serial interface.
Power consumption is only 3mW (VDD = 3V) at the
73ksps maximum sampling speed. A 2A shutdown
mode reduces power at slower throughput rates.
The MAX1242 has an internal 2.5V reference, while the
MAX1243 requires an external reference. The MAX1243
accepts signals from 0V to VREF, and the reference
input range includes the positive supply rail. An exter-
nal clock accesses data from the 3-wire interface,
which connects directly to standard microcontroller I/O
ports. The interface is compatible with SPI, QSPI, and
MICROWIRE.
Excellent AC characteristics and very low power com-
bined with ease of use and small package size make
these converters ideal for remote-sensor and data-
acquisition applications, or for other circuits with
demanding power consumption and space require-
ments. The MAX1242/MAX1243 are available in 8-pin
PDIP and SO packages.
Applications
Portable Data Logging
Process Control Monitoring
Test Equipment
Temperature Measurement
Isolated Data Acquisition
________________________________Features
o +2.7V to +5.25V Single-Supply Operation
o 10-Bit Resolution
o Internal 2.5V Reference (MAX1242)
o Small Footprint: 8-Pin DIP and SO Packages
o Low Power: 3.7mW (73ksps, MAX1242)
3mW (73ksps, MAX1243)
66W (1ksps, MAX1243)
5W (Power-Down Mode)
o Internal Track/Hold
o SPI/QSPI/MICROWIRE 3-Wire Serial Interface
o Pin-Compatible 12-Bit Upgrades: MAX1240/MAX1241
QSPI is a trademark of Motorola, Inc. MICROWIRE is a registered trademark of National Semiconductor Corp.
Ordering Information continued at end of data sheet.
Note:
Order the MAX1242A in place of the MAX1242C. Order the
MAX1242B in place of the MAX1242D.
+Denotes a lead(Pb)-free/RoHS-compliant package.
________________Functional Diagram
7
AIN
T/H
DOUT
6
1
5
OUTPUT
SHIFT
REGISTER
CONTROL
LOGIC
2.5V
REFERENCE
MAX1242 ONLY
INT
CLOCK
10-BIT
SAR
8
2
3
REF
4
SHDN
SCLK
CS
MAX1242
MAX1243
VDD
GND
PART
TEMP
RANGE
PIN-
PACKAGE
INL
(LSB)
MAX1242ACPA+
0°C to +70°C
8 PDIP
±1/2
MAX1242BCPA+
0°C to +70°C
8 PDIP
±1
MAX1242ACSA+
0°C to +70°C
8 SO
±1/2
MAX1242BCSA+
0°C to +70°C
8 SO
±1
MAX1242AEPA+
-40°C to +85°C
8 PDIP
±1/2
TOP VIEW
1
2
3
4
8
7
6
5
SCLK
CS
DOUT
GND
REF
SHDN
AIN
VDD
PDIP/SO
MAX1242
MAX1243
+
Pin Configuration
_________________Ordering Information
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相關代理商/技術參數
參數描述
MAX1243AESA+ 功能描述:模數轉換器 - ADC 10-Bit 73ksps 5.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1243AESA+T 功能描述:模數轉換器 - ADC 10-Bit 73ksps 5.25V Precision ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1243AESA-T 功能描述:模數轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1243AMJA 功能描述:模數轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX1243BC/D 功能描述:模數轉換器 - ADC Low-Power +2.7V 10-Bit Serial ADC in an SO-8 Package RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
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