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MAX11137 데이터시트 PDF




Maxim Integrated에서 제조한 전자 부품 MAX11137은 전자 산업 및 응용 분야에서
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부품번호 MAX11137 기능
기능 (MAX11135 - MAX11143) 4-/8-/16-Channel ADCs
제조업체 Maxim Integrated
로고 Maxim Integrated 로고


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MAX11137 데이터시트, 핀배열, 회로
19-6215; Rev 1; 7/12
EVALUATION KIT AVAILABLE
MAX11135–MAX11143
500ksps, Low-Power, Serial 12-/10-/8-Bit,
4-/8-/16-Channel ADCs
General Description
Benefits and Features
The MAX11135–MAX11143 are 12-/10-/8-bit with exter-
nal reference and industry-leading 1.5MHz, full linear
bandwidth, high speed, low-power, serial output suc-
cessive-approximation register (SAR) analog-to-digital
converters (ADCs). The MAX11135–MAX11143 include
both internal and external clock modes. These devices
feature scan mode in both internal and external clock
modes. The internal clock mode features internal averag-
ing to increase SNR. The external clock mode features
the SampleSetK technology, a user-programmable ana-
log input channel sequencer. The SampleSet approach
provides greater sequencing flexibility for multichannel
applications while alleviating significant microcontroller
or DSP (controlling unit) communication overhead.
The internal clock mode features an integrated FIFO
allowing data to be sampled at high speeds and then held
for readout at any time or at a lower clock rate. Internal
averaging is also supported in this mode improving SNR
for noisy input signals. The devices feature analog input
channels that can be configured to be single-ended
inputs, fully differential pairs, or pseudo-differential inputs
with respect to one common input. The MAX11135–
MAX11143 operate from a 2.35V to 3.6V supply and
consume only 4.2mW at 500ksps.
The MAX11135–MAX11143 include AutoShutdownK,
fast wake-up, and a high-speed 3-wire serial interface.
The devices feature full power-down mode for optimal
power management.
The 8MHz, 3-wire serial interface directly connects to SPI,
QSPIK, and MICROWIREM devices without external logic.
Excellent dynamic performance, low voltage, low power,
ease of use, and small package size make these convert-
ers ideal for portable battery-powered data-acquisition
applications, and for other applications that demand low
power consumption and small space.
The MAX11135–MAX11143 are available in 28-pin, 5mm
x 5mm, TQFN packages and operate over the -40NC to
+125NC temperature range.
SampleSet and AutoShutdown are trademarks of Maxim
Integrated Products, Inc.
QSPI is a trademark of Motorola, Inc.
MICROWIRE is registered a trademark of National
Semiconductor Corporation.
Ordering Information appears at end of data sheet.
S Scan Modes, Internal Averaging, and Internal
Clock
S 16-Entry First-In/First-Out (FIFO)
S SampleSet: User-Defined Channel Sequence with
Maximum Length of 256
S Analog Multiplexer with True Differential
Track/Hold
16-/8-/4-Channel Single-Ended
8-/4-/2-Channel Fully-Differential Pairs
15-/8-/4-Channel Pseudo-Differential Relative to
a Common Input
S Two Software-Selectable Bipolar Input Ranges
QVREF+/2, QVREF+
S Flexible Input Configuration Across All Channels
S High Accuracy
Q1 LSB INL, Q1 LSB DNL, No Missing Codes
Over Temperature Range
S 70dB SINAD Guaranteed at 250kHz Input
Frequency
S 1.5V to 3.6V Wide Range I/O Supply
Allows the Serial Interface to Connect Directly
to 1.8V, 2.5V, or 3.3V Digital Systems
S 2.35V to 3.6V Supply Voltage
S Longer Battery Life for Portable Applications
Low Power
4.2mW at 500ksps with 3V Supplies
2µA Full-Shutdown Current
S External Differential Reference (1V to VDD)
S 8MHz, 3-Wire SPI-/QSPI-/MICROWIRE-/DSP-
Compatible Serial Interface
S Wide -40NC to +125NC Operation
S Space-Saving, 28-Pin, 5mm x 5mm TQFN
Packages
S 500ksps Conversion Rate, No Pipeline Delay
S 12-/10-/8-Bit Resolution
Applications
High-Speed Data Acquisition Systems
High-Speed Closed-Loop Systems
Industrial Control Systems
Medical Instrumentation
Battery-Powered Instruments
Portable Systems
For related parts and recommended products to use with this part,
refer to www.maxim-ic.com/MAX11135.related.
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
  1
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MAX11137 pdf, 반도체, 판매, 대치품
MAX11135–MAX11143
500ksps, Low-Power, Serial 12-/10-/8-Bit,
4-/8-/16-Channel ADCs
ELECTRICAL CHARACTERISTICS (MAX11135/MAX11136/MAX11137) (continued)
(VDD = 2.35V to 3.6V, VOVDD = 1.5V to 3.6V, fSAMPLE = 500ksps, fSCLK = 8MHz, 50% duty cycle, VREF+ = VDD, TA = -40NC to +125NC,
unless otherwise noted. Typical values are at TA = +25NC.) (Note 2)
PARAMETER
SYMBOL
DIGITAL INPUTS (SCLK, DIN, CS, CNVST)
Input Voltage Low
VIL
CONDITIONS
MIN
TYP
MAX
UNITS
VOVDD O
0.25
V
Input Voltage High
VIH
VOVDD O
0.75
V
Input Hysteresis
VHYST
Input Leakage Current
Input Capacitance
DIGITAL OUTPUTS (DOUT, EOC)
IIN
CIN
Output Voltage Low
VOL
VAIN_ = 0V or VDD
ISINK = 200FA
Output Voltage High
Three-State Leakage Current
Three-State Output Capacitance
POWER REQUIREMENTS
Positive Supply Voltage
Digital I/O Supply Voltage
Positive Supply Current
VOH
IL
COUT
ISOURCE = 200FA
CS = VDD
CS = VDD
VDD
VOVDD
IDD
fSAMPLE = 500ksps
fSAMPLE = 0 (500ksps devices)
Full shutdown
VOVDD O
0.15
±0.09
3
±1.0
mV
FA
pF
VOVDD O
0.85
-0.3
4
VOVDD O
0.15
±1.5
V
V
FA
pF
2.35
1.5
3.0
3.0
1.4
1
0.0015
3.6
3.6
2
0.006
V
V
mA
Power Dissipation
Normal mode
(external
reference)
AutoStandby
Full/
AutoShutdown
VDD = 3V,
fSAMPLE = 500ksps
VDD = 2.35V,
fSAMPLE = 500ksps
VDD = 3V,
fSAMPLE = 500ksps
VDD = 2.35V,
fSAMPLE = 500ksps
VDD = 3V
VDD = 2.35V
4.2
3.1
1.5
0.9
4.5
2.1
mW
FW
  4
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MAX11137 전자부품, 판매, 대치품
MAX11135–MAX11143
500ksps, Low-Power, Serial 12-/10-/8-Bit,
4-/8-/16-Channel ADCs
ELECTRICAL CHARACTERISTICS (MAX11138/MAX11139/MAX11140) (continued)
(VDD = 2.35V to 3.6V, VOVDD = 1.5V to 3.6V, fSAMPLE = 500ksps, fSCLK = 8MHz, 50% duty cycle, VREF+ = VDD, TA = -40NC to +125NC,
unless otherwise noted. Typical values are at TA = +25NC.) (Note 2)
PARAMETER
EXTERNAL REFERENCE INPUT
REF- Input Voltage Range
SYMBOL
VREF-
CONDITIONS
MIN
-0.3
REF+ Input Voltage Range
VREF+
1
REF+ Input Current
IREF+
DIGITAL INPUTS (SCLK, DIN, CS, CNVST)
VREF+ = 2.5V, fSAMPLE = 500ksps
VREF+ = 2.5V, fSAMPLE = 0
Input Voltage Low
Input Voltage High
VIL
VIH
VOVDD O
0.75
Input Hysteresis
Input Leakage Current
Input Capacitance
DIGITAL OUTPUTS (DOUT, EOC)
VHYST
IIN
CIN
VAIN_ = 0V or VDD
Output Voltage Low
VOL ISINK = 200FA
Output Voltage High
Three-State Leakage Current
Three-State Output Capacitance
POWER REQUIREMENTS
Positive Supply Voltage
Digital I/O Supply Voltage
Positive Supply Current
Power Dissipation
VOH
IL
COUT
ISOURCE = 200FA
CS = VDD
CS = VDD
VOVDD O
0.85
VDD
VOVDD
IDD
fSAMPLE = 500ksps
fSAMPLE = 0 (500ksps devices)
Full shutdown
Normal mode
(external
reference)
AutoStandby
Full/
AutoShutdown
VDD = 3V,
fSAMPLE = 500ksps
VDD = 2.35V,
fSAMPLE = 500ksps
VDD = 3V,
fSAMPLE = 500ksps
VDD = 2.35V,
fSAMPLE = 500ksps
VDD = 3V
VDD = 2.35V
2.35
1.5
TYP
36.7
0.1
VOVDD O
0.15
±0.09
3
-0.3
4
3.0
3.0
1.4
1
0.0015
4.2
3.1
1.5
0.9
4.5
2.1
MAX
+1
VDD +
50mV
VOVDD O
0.25
±1.0
VOVDD O
0.15
±1.5
3.6
3.6
2
0.006
UNITS
V
V
FA
FA
V
V
mV
FA
pF
V
V
FA
pF
V
V
mA
mW
FW
  7
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