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參數(shù)資料
| 型號： | MAX1268 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 420ksps. +5V. 6-/2-Channel. 12-Bit ADCs with +2.5V Reference and Parallel Interface |
| 中文描述： | 420ksps、+5V、6/2通道、12位ADC，帶有+2.5V電壓基準(zhǔn)及并行接口 |
| 文件頁數(shù)： | 1/19頁 |
| 文件大小： | 390K |
| 代理商： | MAX1268 |
General Description
The MAX1266/MAX1268 low-power, 12-bit analog-to-
digital converters (ADCs) feature a successive-approxi-
mation ADC, automatic power-down, fast wake-up
(2μs), an on-chip clock, +2.5V internal reference, and a
high-speed 12-bit parallel interface. They operate with
a single +5V analog supply.
Power consumption is only 10mW at the maximum sam-
pling rate of 420ksps. Two software-selectable power-
down modes enable the MAX1266/MAX1268 to be shut
down between conversions; accessing the parallel
interface returns them to normal operation. Powering
down between conversions can reduce supply below
10μA at lower sampling rates.
Both devices offer software-configurable analog inputs for
unipolar/bipolar and single-ended/pseudo-differential
operation. In single-ended mode, the MAX1266 has six
input channels and the MAX1268 has two (three input
channels and one input channel, respectively, when in
pseudo-differential mode).
Excellent dynamic performance and low power, com-
bined with ease of use and small package size, make
these converters ideal for battery-powered and data-
acquisition applications or for other circuits with demand-
ing power-consumption and space requirements. The
MAX1266 is offered in a 28-pin QSOP package, while the
MAX1268 is available in a 24-pin QSOP. For pin-compati-
ble +3V, 12-bit versions, see the MAX1265/MAX1267.
Applications
Data Logging
Patient Monitoring
Touch Screens
Industrial Control Systems
Energy Management
Data-Acquisition Systems
Features
o
12-Bit Resolution, ±0.5 LSB Linearity
o
Single +5V Operation
o
Internal +2.5V Reference
o
Software-Configurable Analog Input Multiplexer
6-Channel Single Ended/
3-Channel Pseudo-Differential (MAX1266)
2-Channel Single Ended/
1-Channel Pseudo-Differential (MAX1268)
o
Software-Configurable Unipolar/Bipolar
Analog Inputs
o
Low Current
2.8mA (420ksps)
1.0mA (100ksps)
400μA (10ksps)
2μA (Shutdown)
o
Internal 6MHz Full-Power Bandwidth Track/Hold
o
Parallel 12-Bit Interface
o
Small Footprint
28-Pin QSOP (MAX1266)
24-Pin QSOP (MAX1268)
M
420ksps, +5V, 6-/2-Channel, 12-Bit ADCs
with +2.5V Reference and Parallel Interface
________________________________________________________________
Maxim Integrated Products
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.
1
19-2722; Rev 0; 04/03
PART
MAX1266
ACEI
MAX1266BCEI
MAX1266AEEI
MAX1266BEEI
MAX1268
ACEG
MAX1268BCEG
MAX1268AEEG
MAX1268BEEG
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
TEMP RANGE
PIN-PACKAGE
28 QSOP
28 QSOP
28 QSOP
28 QSOP
24 QSOP
24 QSOP
24 QSOP
24 QSOP
Ordering Information
Pin Configurations
INL
(LSB)
±0.5
±1
±0.5
±1
±0.5
±1
Typical Operating Circuits appear at end of data sheet.
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
D10
D11
V
DD
REF
REFADJ
GND
COM
CH0
CH1
CS
CLK
WR
RD
INT
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
QSOP
TOP VIEW
MAX1268
Pin Configurations continued at end of data sheet.
-40°C to +85°C
-40°C to +85°C
0°C to +70°C
±0.5
±1
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX1268ACEG | 420ksps, +5V, 6-/2-Channel, 12-Bit ADCs with +2.5V Reference and Parallel Interface |
| MAX1268BCEG | 420ksps, +5V, 6-/2-Channel, 12-Bit ADCs with +2.5V Reference and Parallel Interface |
| MAX1266BEEI | 420ksps, +5V, 6-/2-Channel, 12-Bit ADCs with +2.5V Reference and Parallel Interface |
| MAX1266AEEI | 420ksps, +5V, 6-/2-Channel, 12-Bit ADCs with +2.5V Reference and Parallel Interface |
| MAX1266BCEI | 420ksps, +5V, 6-/2-Channel, 12-Bit ADCs with +2.5V Reference and Parallel Interface |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1268ACEG | 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(jié)構(gòu):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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1268ACEG+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 2Ch 420ksps 5.5V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1268ACEG+T | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 2Ch 420ksps 5.5V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1268ACEG-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(jié)構(gòu):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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| MAX1268AEEG | 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(jié)構(gòu):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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
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