參數(shù)資料
型號(hào)： MAX1091BEEI
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： ADC
英文描述： 250ksps, +3V, 8-/4-Channel, 10-Bit ADCs with +2.5V Reference and Parallel Interface
中文描述： 8-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO28
封裝： 0.150 INCH, QSOP-28
文件頁數(shù)： 1/20頁
文件大?。?/td> 324K
代理商： MAX1091BEEI
General Description
The MAX1091/MAX1093 low-power, 10-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, byte-wide parallel interface. They operate
with a single +3V analog supply and feature a V
LOGIC
pin that allows them to interface directly with a +1.8V to
+3.6V digital supply.
Power consumption is only 5.7mW (V
DD
= V
LOGIC
) at
the maximum sampling rate of 250ksps. Two software-
selectable power-down modes enable the MAX1091/
MAX1093 to be shut down between conversions;
accessing the parallel interface returns them to normal
operation. Powering down between conversions can
cut supply current to under 10μA at reduced sampling
rates.
Both devices offer software-configurable analog inputs
for unipolar/bipolar and single-ended/pseudo-differen-
tial operation. In single-ended mode, the MAX1091 has
eight input channels and the MAX1093 has four input
channels (four and two input channels, 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 MAX1091 is available in a 28-pin QSOP package,
while the MAX1093 is available in a 24-pin QSOP. For
pin-compatible +5V, 10-bit versions, refer to the
MAX1090/MAX1092 data sheet.
Applications
Data Logging
Industrial Control Systems
Energy Management
Patient Monitoring
Data-Acquisition Systems
Touch Screens
Features
o
10-Bit Resolution, ±0.5LSB Linearity
o
+3V Single-Supply Operation
o
User-Adjustable Logic Level (+1.8V to +3.6V)
o
Internal +2.5V Reference
o
Software-Configurable, Analog Input Multiplexer
8-Channel Single-Ended/
4-Channel Pseudo-Differential (MAX1091)
4-Channel Single-Ended/
2-Channel Pseudo-Differential (MAX1093)
o
Software-Configurable, Unipolar/Bipolar Inputs
o
Low Power: 1.9mA (250ksps)
1.0mA (100ksps)
400μA (10ksps)
2μA (Shutdown)
o
Internal 3MHz Full-Power Bandwidth Track/Hold
o
Byte-Wide Parallel (8+2) Interface
o
Small Footprint: 28-Pin QSOP (MAX1091)
24-Pin QSOP (MAX1093)
M
250ksps, +3V, 8-/4-Channel, 10-Bit ADCs
with +2.5V Reference and Parallel Interface
________________________________________________________________
Maxim Integrated Products
For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
1
19-1638; Rev 0; 1/00
PART
MAX1091
ACEI
MAX1091BCEI
MAX1091AEEI
0°C to +70°C
0°C to +70°C
-40°C to +85°C
TEMP. RANGE
PIN-PACKAGE
28 QSOP
28 QSOP
28 QSOP
28 QSOP
Ordering Information
Pin Configurations
±0.5
±1
±0.5
INL
(LSB)
Ordering Information continued at end of data sheet.
Typical Operating Circuits appear at end of data sheet.
TOP VIEW
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
V
LOGIC
V
DD
REF
REFADJ
GND
COM
CH0
CH1
CH2
CH3
CS
CLK
WR
RD
INT
D0/D8
D1/D9
D2
D3
D4
D5
D6
D7
HBEN
QSOP
MAX1093
Pin Configurations continued at end of data sheet.
EVALUATION KIT
AVAILABLE
MAX1091BEEI
-40°C to +85°C
±1
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1091BEEI+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 250ksps 8Ch 10-Bit w/Internal 2.5V ref 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
MAX1091BEEI+T 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 250ksps 8Ch 10-Bit w/Internal 2.5V ref 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
MAX1091BEEI-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
MAX1092 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:400ksps.+5V.8-/4-Channel.10-Bit ADCs with +2.5V Reference and Parallel Interface
MAX1092ACEG 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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