參數(shù)資料
型號(hào)： MAX147CEAP+T
廠商： Maxim Integrated Products
文件頁數(shù)： 1/24頁
文件大?。?/td> 0K
描述： IC ADC 12BIT SERIAL 20-SSOP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,000
位數(shù)： 12
采樣率（每秒）： 133k
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）： 640mW
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： 20-SSOP（0.209"，5.30mm 寬）
供應(yīng)商設(shè)備封裝： 20-SSOP
包裝： 帶卷 (TR)
輸入數(shù)目和類型： 8 個(gè)單端，單極；8 個(gè)單端，雙極；4 個(gè)差分，單極；4 個(gè)差分，雙極
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.
General Description
The MAX146/MAX147 12-bit data-acquisition systems
combine an 8-channel multiplexer, high-bandwidth
track/hold, and serial interface with high conversion
speed and low power consumption. The MAX146 oper-
ates from a single +2.7V to +3.6V supply; the MAX147
operates from a single +2.7V to +5.25V supply. Both
devices’ analog inputs are software configurable for
unipolar/bipolar and single-ended/differential operation.
The 4-wire serial interface connects directly to SPI/
QSPI and MICROWIRE devices without external
logic. A serial strobe output allows direct connection to
TMS320-family
digital
signal
processors.
The
MAX146/MAX147 use either the internal clock or an exter-
nal serial-interface clock to perform successive-approxi-
mation analog-to-digital conversions.
The MAX146 has an internal 2.5V reference, while the
MAX147 requires an external reference. Both parts have
a reference-buffer amplifier with a ±1.5% voltage-
adjustment range.
These devices provide a hard-wired SHDN pin and a
software-selectable power-down, and can be pro-
grammed to automatically shut down at the end of a con-
version. Accessing the serial interface automatically
powers up the MAX146/MAX147, and the quick turn-on
time allows them to be shut down between all conver-
sions. This technique can cut supply current to under
60A at reduced sampling rates.
The MAX146/MAX147 are available in 20-pin DIP and
SSOP packages.
For 4-channel versions of these devices, see the
MAX1246/MAX1247 data sheet.
________________________Applications
Portable Data Logging
Data Acquisition
Medical Instruments
Battery-Powered Instruments
Pen Digitizers
Process Control
____________________________Features
o 8-Channel Single-Ended or 4-Channel
Differential Inputs
o Single-Supply Operation
+2.7V to +3.6V (MAX146)
+2.7V to +5.25V (MAX147)
o Internal 2.5V Reference (MAX146)
o Low Power
1.2mA (133ksps, 3V supply)
54A (1ksps, 3V supply)
1A (power-down mode)
o SPI/QSPI/MICROWIRE/TMS320-Compatible
4-Wire Serial Interface
o Software-Configurable Unipolar or Bipolar Inputs
o 20-Pin DIP/SSOP Packages
MAX146/MAX147
+2.7V, Low-Power, 8-Channel,
Serial 12-Bit ADCs
________________________________________________________________ Maxim Integrated Products
1
VDD
I/O
SCK (SK)
MOSI (SO)
MISO (SI)
VSS
SHDN
SSTRB
DOUT
DIN
SCLK
CS
COM
AGND
DGND
VDD
CH7
4.7
F
0.1
F
CH0
0V TO
+2.5V
ANALOG
INPUTS
MAX146
CPU
+3V
VREF
0.047
F
REFADJ
Typical Operating Circuit
19-0465; Rev 2; 10/01
PART
MAX146ACPP
MAX146BCPP
MAX146ACAP
0°C to +70°C
TEMP RANGE
PIN-PACKAGE
20 Plastic DIP
20 SSOP
EVALUATION
KIT
AVAILABLE
Ordering Information
Ordering Information continued at end of data sheet.
*Dice are specified at TA = +25°C, DC parameters only.
MAX146BCAP
0°C to +70°C
20 SSOP
INL
(LSB)
±1/2
±1
±1/2
±1
SPI and QSPI are registered trademarks of Motorola, Inc.
MICROWIRE is a registered trademark of National Semiconductor
Corp.
Pin Configuration appears at end of data sheet.
MAX146BC/D
0°C to +70°C
Dice*
±1
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參數(shù)描述
MAX147EVC16-DIP 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 MAX147 Eval Kit RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評(píng)估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V
MAX147EVC32-DIP 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 MAX147 Eval Kit RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評(píng)估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V
MAX147EVKIT-DIP 功能描述:數(shù)據(jù)轉(zhuǎn)換 IC 開發(fā)工具 MAX147 Eval Kit RoHS:否 制造商:Texas Instruments 產(chǎn)品:Demonstration Kits 類型:ADC 工具用于評(píng)估:ADS130E08 接口類型:SPI 工作電源電壓:- 6 V to + 6 V
MAX14800CCM+ 功能描述:模擬開關(guān) IC RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16
MAX14800CCM+T 功能描述:模擬開關(guān) IC RoHS:否 制造商:Texas Instruments 開關(guān)數(shù)量:2 開關(guān)配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時(shí)間（最大值）: 關(guān)閉時(shí)間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-16
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