DataSheet.jp

MAX1203 の電気的特性と機能

MAX1203のメーカーはMaxim Integratedです、この部品の機能は「12-Bit ADCs」です。


製品の詳細 ( Datasheet PDF )

部品番号 MAX1203
部品説明 12-Bit ADCs
メーカ Maxim Integrated
ロゴ Maxim Integrated ロゴ 




このページの下部にプレビューとMAX1203ダウンロード(pdfファイル)リンクがあります。

Total 24 pages

No Preview Available !

MAX1203 Datasheet, MAX1203 PDF,ピン配置, 機能
MAX1202/MAX1203
EVALUATION KIT AVAILABLE
5V, 8-Channel, Serial, 12-Bit ADCs
with 3V Digital Interface
General Description
The MAX1202/MAX1203 are 12-bit data-acquisition sys-
tems specifically designed for use in applications with
mixed +5V (analog) and +3V (digital) supply voltages.
They operate with a single +5V analog supply or dual ±5V
analog supplies, and combine an 8-channel multiplexer,
high-bandwidth track/hold, and serial interface with high
conversion speed and low power consumption.
A 4-wire serial interface connects directly to SPI/
MICROWIRE® devices without external logic, and a serial
strobe output allows direct connection to TMS320-family
digital signal processors. The MAX1202/MAX1203 use
either the internal clock or an external serial-interface clock
to perform successive approximation analog-to-digital con-
versions. The serial interface operates at up to 2MHz.
The MAX1202 features an internal 4.096V reference,
while the MAX1203 requires an external reference. Both
parts have a reference-buffer amplifier that simplifies gain
trim. They also have a VL pin that is the power supply for
the digital outputs. Output logic levels (3V, 3.3V, or 5V) are
determined by the value of the voltage applied to this pin.
These devices provide a hard-wired SHDN pin and two
software-selectable power-down modes. Accessing the
serial interface automatically powers up the devices. A
quick turn-on time enables the MAX1202/MAX1203 to
be shut down between conversions, allowing the user
to optimize supply currents. By customizing power-down
between conversions, supply current can drop below
10μA at reduced sampling rates.
The MAX1202/MAX1203 are available in 20-pin SSOP
and PDIP packages, and are specified for the commercial
and extended temperature ranges.
Applications
● 5V/3V Mixed-Supply Systems
● Data Acquisition
● High-Accuracy Process Control
● Battery-Powered Instruments
● Medical Instruments
Typical Operating Circuit appears at end of data sheet.
MICROWIRE is a registered trademark of National
Semiconductor Corp.
Features
● 8-Channel Single-Ended or 4-Channel Differential
Inputs
● Operates from Single +5V or Dual ±5V Supplies
● User-Adjustable Output Logic Levels
(2.7V to 5.25V)
● Low Power: 1.5mA (Operating Mode)
2μA (Power-Down Mode)
● Internal Track/Hold, 133kHz Sampling Rate
● Internal 4.096V Reference (MAX1202)
● SPI/MICROWIRE/TMS320-Compatible
4-Wire Serial Interface
● Software-Configurable Unipolar/Bipolar Inputs
● 20-Pin PDIP/SSOP
Ordering Information
PART
MAX1202ACPP+
TEMP RANGE
0ºC to +70ºC
PIN-
PACKAGE
20 PDIP
INL
(LSB)
±1/2
MAX1202BCPP+ 0ºC to +70ºC 20 PDIP
±1
MAX1202ACAP+
MAX1202BCAP+
0ºC to +70ºC
0ºC to +70ºC
20 SSOP
20 SSOP
±1/2
±1
Ordering Information continued at end of data sheet.
+Denotes a lead(Pb)-free/RoHS-compliant package.
Pin Configuration
TOP VIEW
+
CH0 1
CH1 2
CH2 3
CH3 4
CH4 5
MAX1202
MAX1203
CH5 6
CH6 7
CH7 8
VSS 9
SHDN 10
20 VDD
19 SCLK
18 CS
17 DIN
16 SSTRB
15 DOUT
14 VL
13 GND
12 REFADJ
11 REF
PDIP/SSOP
19-1173; Rev 3; 3/12

1 Page





MAX1203 pdf, ピン配列
MAX1202/MAX1203
5V, 8-Channel, Serial, 12-Bit ADCs
with 3V Digital Interface
Electrical Characteristics (continued)
(VDD = +5V ±5%, VL = 2.7V to 3.6V; VSS = 0V or -5V ±5%; fSCLK = 2.0MHz, external clock (50% duty cycle); 15 clocks/conversion
cycle (133ksps); MAX1202—4.7μF capacitor at REF pin; MAX1203—external reference, VREF = 4.096V applied to REF pin; TA = TMIN
to TMAX, unless otherwise noted.)
PARAMETER
CONVERSION RATE
Conversion Time (Note 5)
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
Internal clock
tCONV External clock, 2MHz, 12 clocks/conversion
5.5
6
10
µs
Track/Hold Acquisition Time
Aperture Delay
tACQ
1.5
10
µs
ns
Aperture Jitter
Internal Clock Frequency
< 50
1.7
ps
MHz
External compensation mode, 4.7µF 0.1 2.0
External Clock Frequency Range
Internal compensation mode (Note 6)
Used for data transfer only
ANALOG INPUT
Input Voltage Range, Single-Ended
and Differential (Note 7)
Multiplexer Leakage Current
Unipolar, VSS = 0V
Bipolar, VSS = -5V
On/off-leakage current, VCH_ = ±5V
Input Capacitance
(Note 6)
INTERNAL REFERENCE (MAX1202 only, reference-buffer enabled)
REF Output Voltage
REF Short-Circuit Current
TA = +25°C
MAX1202AC
0.1 0.4 MHz
0 2.0
VREF
±VREF/2
±0.01 ±1
16
V
µA
pF
4.076
4.096
±30
4.116
30
±50
V
mA
VREF Temperature Coefficien
Load Regulation (Note 8)
MAX1202AE
MAX1202B
0 to 0.5mA output load
±30 ±60 ppm/°C
±30
2.5 mV
Capacitive Bypass at REF
Internal compensation mode
External compensation mode
0
4.7
µF
Capacitive Bypass at REFADJ
REFADJ Adjustment Range
EXTERNAL REFERENCE AT REF (Reference buffer disabled, VREF = 4.096V)
Input Voltage Range
0.01
±1.5
µF
%
2.50
VDD +
50mV
V
Input Current
Input Resistance
200 350
12 20
µA
kΩ
REF Input Current in Shutdown
REFADJ Buffer Disable Threshold
VSHDN = 0V
VDD -
50mV
1.5
10
µA
V
www.maximintegrated.com
Maxim Integrated 3


3Pages


MAX1203 電子部品, 半導体
MAX1202/MAX1203
5V, 8-Channel, Serial, 12-Bit ADCs
with 3V Digital Interface
TIMING CHARACTERISTICS
(VDD = +5V ±5%, VL = 2.7V to 3.6V, VSS = 0V or -5V ±5%, TA = TMIN to TMAX, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
Acquisition Time
DIN to SCLK Setup
DIN to SCLK Hold
SCLK Fall to Output Data Valid
CS Fall to Output Enable
CS Rise to Output Disable
CS to SCLK Rise Setup
CS to SCLK Rise Hold
SCLK Pulse Width High
SCLK Pulse Width Low
SCLK Fall to SSTRB
tACQ
tDS
tDH
tDO
tDV
tTR
tCSS
tCSH
tCH
tCL
tSSTRB
CLOAD = 100pF
CLOAD = 100pF
CLOAD = 100pF
CLOAD = 100pF
1.5
100
20
100
0
200
200
CS Fall to SSTRB Output Enable
(Note 6)
tSDV External-clock mode only, CLOAD = 100pF
TYP
CS Rise to SSTRB Output Disable
(Note 6)
tSTR
SSTRB Rise to SCLK Rise
(Note 6)
tSCK
0
MAX
0
240
240
240
240
UNITS
µs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
240 ns
240 ns
ns
Note 1: Tested at VDD = 5.0V; VSS = 0V; unipolar-input mode.
Note 2: Relative accuracy is the analog value’s deviation (at any code) from its theoretical value after the full-scale range is cali-
brated.
Note 3: MAX1202—internal reference, offset nulled; MAX1203—external reference (VREF = 4.096V), offset nulled.
Note 4: On-channel grounded; sine wave applied to all off-channels.
Note 5: Conversion time is defined as the number of clock cycles multiplied by the clock period; clock has 50% duty cycle.
Note 6: Guaranteed by design. Not production tested.
Note 7: Common-mode range for analog inputs is from VSS to VDD.
Note 8: External load should not change during the conversion for specified accuracy.
Note 9: Shutdown supply current is measured with VL at 3.3V, and with all digital inputs tied to either VL or GND;
REFADJ = GND. Shutdown supply current is also dependent on VIH (Figure 12c).
Note 10: Logic supply current is measured with the digital outputs (DOUT and SSTRB) disabled (CS high). When the outputs are
active (CS low), the logic supply current depends on fSCLK, and on the static and capacitive load at DOUT and SSTRB.
Note 11: Measured at VSUPPLY + 5% and VSUPPLY - 5% only.
Note 12: Measured at VL = 2.7V and VL = 3.6V.
www.maximintegrated.com
Maxim Integrated 6

6 Page



ページ 合計 : 24 ページ
 
PDF
ダウンロード
[ MAX1203 データシート.PDF ]


データシートを活用すると、その部品の主な機能と仕様を詳しく理解できます。 ピン構成、電気的特性、動作パラメータ、性能を確認してください。


共有リンク

Link :


部品番号部品説明メーカ
MAX120

500ksps / 12-Bit ADCs with Track/Hold And Refrence

Maxim Integrated
Maxim Integrated
MAX1200

+5v sINGLE-sUPPLY / 1mSPS / 16-bIT sELF-cALIBRATING adc

Maxim Integrated
Maxim Integrated
MAX12000

1575MHz GPS Front-End Amplifier

Maxim Integrated Products
Maxim Integrated Products
MAX12005

8 x 4 Satellite IF Switch Matrix

Maxim Integrated Products
Maxim Integrated Products


www.DataSheet.jp    |   2020   |  メール    |   最新    |   Sitemap