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MAX1392 の電気的特性と機能

MAX1392のメーカーはMaxim Integrated Productsです、この部品の機能は「(MAX1392 / MAX1395) 1-Channel True-Differential/ 2-Channel Single-Ended」です。


製品の詳細 ( Datasheet PDF )

部品番号 MAX1392
部品説明 (MAX1392 / MAX1395) 1-Channel True-Differential/ 2-Channel Single-Ended
メーカ Maxim Integrated Products
ロゴ Maxim Integrated Products ロゴ 




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MAX1392 Datasheet, MAX1392 PDF,ピン配置, 機能
www.DataSheet4U.com
19-3709; Rev 0; 5/05
1.5V to 3.6V, 357ksps, 1-Channel True-Differential/
2-Channel Single-Ended, 10-Bit, SAR ADCs
General Description
The MAX1392/MAX1395 micropower, serial-output,
10-bit, analog-to-digital converters (ADCs) operate with
a single power supply from +1.5V to +3.6V. These
ADCs feature automatic shutdown, fast wake-up, and a
high-speed 3-wire interface. Power consumption is only
0.740mW (VDD = +1.5V) at the maximum conversion
rate of 357ksps. AutoShutdown™ between conversions
reduces power consumption at slower throughput rates.
The MAX1392/MAX1395 require an external reference
VREF that has a wide range from 0.6V to VDD. The
MAX1392 provides one true-differential analog input
that accepts signals ranging from 0 to VREF (unipolar
mode) or ±VREF/2 (bipolar mode). The MAX1395 pro-
vides two single-ended inputs that accept signals rang-
ing from 0 to VREF. Analog conversion results are
available through a 5MHz, 3-wire SPI™-/QSPI™-
/MICROWIRE™-/digital signal processor (DSP)-compat-
ible serial interface. Excellent dynamic performance,
low voltage, low power, ease of use, and small pack-
age sizes make these converters ideal for portable bat-
tery-powered data-acquisition applications, and for
other applications that demand low power consumption
and minimal space.
The MAX1392/MAX1395 are available in a space-sav-
ing (3mm x 3mm) 10-pin TDFN package or 10-pin
µMAX® package. The parts operate over the extended
(-40°C to +85°C) and military (-55°C to +125°C) tem-
perature ranges.
Applications
Portable Datalogging
Data Acquisition
Medical Instruments
Battery-Powered Instruments
Process Control
Features
357ksps 10-Bit Successive-Approximation
Register (SAR) ADCs
Single True-Differential Analog Input Channel
with Unipolar-/Bipolar-Selected Input (MAX1392)
Dual Single-Ended Input Channel with Channel-
Selected Input (MAX1395)
±0.5 LSB INL, ±0.5 LSB DNL, No Missing Codes
±1 LSB Total Unadjusted Error
61dB SINAD at 85kHz Input Frequency
Single Supply Voltage (+1.5V to +3.6V)
0.945mW at 350ksps, 1.8V
0.27mW at 100ksps, 1.8V
3.1µW at 1ksps, 1.8V
<1µA Shutdown Current
External Reference (0.6V to VDD)
AutoShutdown Between Conversions
SPI-/QSPI-/MICROWIRE-/DSP-Compatible,
3- or 4-Wire Serial Interface
Small (3mm x 3mm), 10-Pin TDFN or µMAX
(3mm x 5mm) Package
Typical Operating Circuit and Pin Configurations appear at
end of data sheet.
AutoShutdown is a trademark of Maxim Integrated Products, Inc.
SPI/QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
µMAX is a registered trademark of Maxim Integrated Products, Inc.
Ordering Information
PART
TEMP RANGE
MAX1392ETB**
-40°C to +85°C
MAX1392EUB**
-40°C to +85°C
MAX1392MTB**
-55°C to +125°C
MAX1392MUB**
-55°C to +125°C
MAX1395ETB
-40°C to +85°C
MAX1395EUB**
-40°C to +85°C
MAX1395MTB**
-55°C to +125°C
MAX1395MUB**
-55°C to +125°C
*EP = Exposed pad.
**Future product—contact factory for availability.
PIN-PACKAGE
10 TDFN-EP*
10 µMAX
10 TDFN-EP*
10 µMAX
10 TDFN-EP*
10 µMAX
10 TDFN-EP*
10 µMAX
ANALOG INPUTS
1-CH DIFF
1-CH DIFF
1-CH DIFF
1-CH DIFF
2-CH S/E
2-CH S/E
2-CH S/E
2-CH S/E
TOP MARK
AOY
APB
________________________________________________________________ Maxim Integrated Products 1
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 Page





MAX1392 pdf, ピン配列
1.5V to 3.6V, 357ksps, 1-Channel True-Differential/
2-Channel Single-Ended, 10-Bit, SAR ADCs
ELECTRICAL CHARACTERISTICS (continued)
(VDD = +1.5V to +3.6V, VREF = VDD, CREF = 0.1µF, fSCLK = 5MHz, TA = TMIN to TMAX, unless otherwise noted. Typical values are at
TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
CONVERSION RATE
Conversion Time
tCONV 11 clock cycles
2.2 µs
Throughput Rate
14 clocks per conversion; includes power-
up, acquisition, and conversion time
357 ksps
Power-Up and Acquisition Time
tACQ
Aperture Delay
tAD
Aperture Jitter
tAJ
Serial Clock Frequency
fCLK
ANALOG INPUTS (AIN+, AIN-, AIN1, AIN2)
Three SCLK cycles
600 ns
8 ns
30 ps
0.1 5.0 MHz
Input Voltage Range
Unipolar
VIN Bipolar, MAX1392 only (AIN+ - AIN-)
0
-VREF/2
VREF
+VREF/2
V
Common-Mode Input Voltage
Range
VCM Bipolar, MAX1392 only [(AIN+) + (AIN-)] / 2
0
VDD
V
Input Leakage Current
Input Capacitance
REFERENCE INPUT (REF)
Channel not selected, or conversion
stopped, or in shutdown mode
REF Input Voltage Range
VREF
REF Input Capacitance
REF DC Leakage Current
REF Input Dynamic Current
357ksps
DIGITAL INPUTS (SCLK, CS, OE, CH1/CH2, UNI/BIP)
Input-Voltage Low
VIL
Input-Voltage High
VIH
Input Hysteresis
Input Leakage Current
Input Capacitance
DIGITAL OUTPUT (DOUT)
Output-Voltage Low
IIL Inputs at GND or VDD
CS, OE
CIN CH1/CH2, UNI/BIP
VOL ISINK = 2mA
Output-Voltage High
VOH
ISOURCE = 2mA
±1
16
µA
pF
0.6
VDD +
0.05
V
24 pF
0.025 ±2.5
µA
20 60 µA
0.7 x
VDD
0.06 x
VDD
1
12.5
0.3 x
VDD
±1
V
V
V
µA
pF
0.9 x
VDD
0.1 x
VDD
V
V
_______________________________________________________________________________________ 3


3Pages


MAX1392 電子部品, 半導体
1.5V to 3.6V, 357ksps, 1-Channel True-Differential/
2-Channel Single-Ended, 10-Bit, SAR ADCs
Typical Operating Characteristics
(VDD = +1.5V, VREF = +1.5V, CREF = 0.1µF, CL = 30pF, fSCLK = 5MHz. TA = +25°C, unless otherwise noted.)
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
0
INL vs. CODE
128 256 384 512 640 768 896 1024
CODE
INL ERROR vs. REFERENCE VOLTAGE
1.0
0.8 VDD = 3.6V
0.6
0.4
MAX INL
0.2
0
-0.2
MIN INL
-0.4
-0.6
-0.8
-1.0
0.6
1.1 1.6 2.1 2.6 3.1
REFERENCE VOLTAGE (V)
3.6
1.0
0.8
0.6
0.4
0.2
0
-0.2
-0.4
-0.6
-0.8
-1.0
0
DNL vs. CODE
128 256 384 512 640 768 896 1024
CODE
DNL ERROR vs. REFERENCE VOLTAGE
1.0
0.8 VDD = 3.6V
0.6
0.4 MAX DNL
0.2
0
-0.2
-0.4 MIN DNL
-0.6
-0.8
-1.0
0.6
1.1 1.6 2.1 2.6 3.1
REFERENCE VOLTAGE (V)
3.6
OFFSET ERROR
vs. REFERENCE VOLTAGE
400
VDD = 3.6V
300
200
100
0
-100
-200
-300
-400
0.6
1.1 1.6 2.1 2.6 3.1
REFERENCE VOLTAGE (V)
3.6
OFFSET ERROR vs. SUPPLY VOLTAGE
400
VREF = 1.5V
300 TEMPERATURE = +25°C
200 AIN2
100
0
-100 AIN1
-200
-300
-400
1.5 1.8 2.1 2.4 2.7 3.0 3.3 3.6
SUPPLY VOLTAGE (V)
GAIN ERROR vs. SUPPLY VOLTAGE
400
VREF = 1.5V
300 TEMPERATURE = +25°C
AIN2
200
100
0
-100 AIN1
-200
-300
-400
1.5 1.8 2.1 2.4 2.7 3.0 3.3 3.6
SUPPLY VOLTAGE (V)
OFFSET ERROR vs. TEMPERATURE
400
VDD = 3.6V
300
200 AIN2
100
0
-100 AIN1
-200
-300
-400
-55 -25
5
35 65 95 125
TEMPERATURE (°C)
GAIN ERROR vs. TEMPERATURE
400
VDD = 3.6V
300
AIN2
200
100
0
-100
AIN1
-200
-300
-400
-55 -25 5 35 65 95 125
TEMPERATURE (°C)
6 _______________________________________________________________________________________

6 Page



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共有リンク

Link :


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MAX1392

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