參數(shù)資料
型號： MAX1240AESA+
廠商： Maxim Integrated Products
文件頁數(shù)： 1/15頁
文件大?。?/td> 0K
描述： IC ADC 12BIT SERIAL 8-SOIC
產(chǎn)品培訓模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝： 100
位數(shù)： 12
采樣率（每秒）： 73k
數(shù)據(jù)接口： MICROWIRE?，QSPI?，串行，SPI?
轉(zhuǎn)換器數(shù)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(shù)目和類型： 1 個單端，單極
__________________General Description
The MAX1240/MAX1241 low-power, 12-bit analog-to-
digital converters (ADCs) are available in 8-pin pack-
ages. The MAX1240 operates with a single +2.7V to
+3.6V supply, and the MAX1241 operates with a single
+2.7V to +5.25V supply. Both devices feature a 7.5s
successive-approximation ADC, a fast track/hold
(1.5s), an on-chip clock, and a high-speed, 3-wire ser-
ial interface.
Power consumption is only 37mW (VDD = 3V) at the
73ksps maximum sampling speed. A 2A shutdown
mode reduces power at slower throughput rates.
The MAX1240 has an internal 2.5V reference, while the
MAX1241 requires an external reference. The MAX1241
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 MAX1240/MAX1241 are available in 8-pin
PDIP and SO packages.
Applications
Battery-Powered Systems
Portable Data Logging
Isolated Data Acquisition
Process Control
Instrumentation
________________________________Features
Single-Supply Operation:
+2.7V to +3.6V (MAX1240)
+2.7V to +5.25V (MAX1241)
12-Bit Resolution
Internal 2.5V Reference (MAX1240)
Small Footprint: 8-Pin PDIP/SO Packages
Low Power: 3.7W (73ksps, MAX1240)
3mW (73ksps, MAX1241)
66W (1ksps, MAX1241)
5W (power-down mode)
Internal Track/Hold
SPI/QSPI/MICROWIRE 3-Wire Serial Interface
Internal Clock
MAX1240/MAX1241
+2.7V, Low-Power,
12-Bit Serial ADCs in 8-Pin SO
________________________________________________________________ Maxim Integrated Products
1
19-1155; Rev 5; 8/10
SPI and QSPI are trademarks of Motorola, Inc. MICROWIRE is a trademark of National Semiconductor Corp.
Ordering Information continued at end of data sheet.
TOP VIEW
1
2
3
4
8
7
6
5
SCLK
CS
DOUT
GND
REF
SHDN
AIN
VDD
PDIP/SO
MAX1240
MAX1241
Pin Configuration
Ordering Information
EVALUATION
KIT
AVAILABLE
Functional Diagram
7
AIN
T/H
DOUT
6
1
OUTPUT
SHIFT
REGISTER
CONTROL
LOGIC
INT
CLOCK
12-BIT
SAR
8
2
3
5
REF
4
SHDN
2.5V REFERENCE
(MAX1240 ONLY)
GND
SCLK
CS
MAX1240
MAX1241
VDD
*Dice are specified at TA = +25°C, DC parameters only.
**Future product—contact factory for availability.
/V denotes an automotive qualified part.
+Denotes a lead(Pb)-free/RoHS-compliant package.
PART*
TEMP RANGE
PIN-
PACKAGE
INL
(LSB)
MAX1240ACPA+
0
°C to +70°C
8 PDIP
±1/2
MAX1240BCPA+
0
°C to +70°C
8 PDIP
±1
MAX1240CCPA+
0
°C to +70°C
8 PDIP
±1
MAX1240ACSA+
0
°C to +70°C
8 SO
±1/2
MAX1240BCSA+
0
°C to +70°C
8 SO
±1
MAX1240CCSA+
0
°C to +70°C
8 SO
±1
MAX1240CC/D
0
°C to +70°C
Dice*
±1
MAX1240AESA/V+**
-40
°C to +85°C 8 SO
±1/2
MAX1240BESA/V+
-40
°C to +85°C 8 SO
±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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相關代理商/技術參數(shù)
參數(shù)描述
MAX1240AESA/V+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 73ksps 3.6V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉(zhuǎn)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
MAX1240AESA/V+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 73ksps 3.6V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉(zhuǎn)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
MAX1240AESA+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 73ksps 3.6V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉(zhuǎn)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
MAX1240AESA+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 73ksps 3.6V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉(zhuǎn)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
MAX1240AESA-T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉(zhuǎn)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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