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MAX11158 데이터시트 PDF




Maxim Integrated에서 제조한 전자 부품 MAX11158은 전자 산업 및 응용 분야에서
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부품번호 MAX11158 기능
기능 SAR ADC
제조업체 Maxim Integrated
로고 Maxim Integrated 로고


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MAX11158 데이터시트, 핀배열, 회로
MAX11158
EVALUATION KIT AVAILABLE
18-Bit, 500ksps, ±5V SAR ADC with
Internal Reference in µMAX
General Description
The MAX11158 is an 18-bit, 500ksps, SAR ADC offering
excellent AC and DC performance with true bipolar input
range, internal reference, and small size. The MAX11158
measures a ±5V (10VP-P) input range while operat-
ing from a single 5V supply. A patented charge-pump
architecture allows direct sampling of high-impedance
sources. The MAX11158 integrates a low drift reference
with internal buffer, saving the cost and space of an exter-
nal reference.
This ADC achieves 93.7dB SNR and -100.0dB THD.
The MAX11158 guarantees 18-bit no-missing codes and
±2.7 LSB INL (typ).
The MAX11158 communicates using an SPI-compatible
serial interface at 2.5V, 3V, 3.3V, or 5V logic. The serial
interface can be used to daisy-chain multiple ADCs for mul-
tichannel applications and provides a busy indicator option
for simplified system synchronization and timing.
The MAX11158 is offered in a 10-pin, 3mm x 5mm,
µMAXM package and is specified over the -40°C to +85°C
temperature range.
Applications
● Industrial Process Control
● Data Acquisition Systems
● Medical Instrumentation
● Automatic Test Equipment
Typical Operating Circuit
VDD
(5V)
1µF
VOVDD
(2.3V TO 5V)
1µF
MAX9632
±5V
10
AIN+
AIN-
4.7nF
REF
10µF
18-BIT ADC
INTERFACE AND
CONTROL
MAX11158
REF
BUF
INTERNAL
REFERENCE
SCLK
SDI
SDO
CNVST
GND
HOST
CONTROLLER
Benefits and Features
● High DC/AC Accuracy Improves Measurement Quality
18-Bit Resolution with No Missing Codes
500ksps Throughput Rates Without Pipeline
Delay/Latency
93.7dB SNR and -100.0dB THD at 10kHz
2.0 LSBRMS Transition Noise
±0.5 LSB DNL (typ) and ±2.7 LSB INL (typ)
● Highly Integrated ADC Saves Cost and Space
±7ppm/°C Internal Reference
Internal Reference Buffer
● Wide Supply Range and Low Power Simplify Power-
Supply Design
5V Analog Supply
2.3V to 5V Digital Supply
38mW Power Consumption at 500ksps
10μA in Shutdown Mode
● Multi-Industry Standard Serial Interface and Small
Package Reduces Size
SPI/QSPI™/MICROWIRE®/DSP-Compatible Serial
Interface
3mm x 5mm Tiny 10-Pin µMAX Package
µMAX is a registered trademark of Maxim Integrated Products, Inc.
QSPI is a trademark of Motorola, Inc.
MICROWIRE is a registered trademark of National
Semiconductor Corporation.
Selector Guide and Ordering Information appear at end of
data sheet.
14-Bit to 18-Bit SAR ADC Family
±5V Input
Internal
Reference
0 to 5V Input
Internal
Reference
0 to 5V Input
External
Reference
14-BIT
500ksps
16-BIT
250ksps
16-BIT
500ksps
18-BIT
500ksps
MAX11167 MAX11166 MAX11156
MAX11169 MAX11168 MAX11158
MAX11161 MAX11160 MAX11150
MAX11165 MAX11164 MAX11154
MAX11262 MAX11163 MAX11162 MAX11152
19-7448; Rev 0; 1/15




MAX11158 pdf, 반도체, 판매, 대치품
MAX11158
18-Bit, 500ksps, ±5V SAR ADC with
Internal Reference in µMAX
Electrical Characteristics (continued)
(VDD = 4.75V to 5.25V, VOVDD = 2.3V to 5.25V, fSAMPLE = 500ksps, TA = TMIN to TMAX, unless otherwise noted. Typical values are
at TA = +25°C.) (Note 2)
PARAMETER
SYMBOL
DIGITAL INPUTS (SDI, SCLK, CNVST)
Input Voltage High
VIH
CONDITIONS
Input Voltage Low
VIL
Input Hysteresis
Input Capacitance
Input Current
DIGITAL OUTPUT (SDO)
Output Voltage High
Output Voltage Low
Three-State Leakage Current
Three-State Output Capacitance
TIMING (Note 8)
Time Between Conversions
Conversion Time
Acquisition Time
CNVST Pulse Width
SCLK Period (CS Mode)
SCLK Period (Daisy-Chain Mode)
SCLK Low Time
SCLK High Time
SCLK Falling Edge to Data Valid
Delay
VHYS
CIN
IIN
VIN = 0V or VOVDD
VOH
VOL
ISOURCE = 2mA
ISINK = 2mA
tCYC
tCONV
tACQ
tCNVPW
tSCLK
tSCLK
tSCLKL
tSCLKH
tDSDO
CNVST rising to data available
tACQ = tCYC - tCONV
CS mode
VOVDD > 4.5V
VOVDD > 2.7V
VOVDD > 2.3V
VOVDD > 4.5V
VOVDD > 2.7V
VOVDD > 2.3V
VOVDD > 4.5V
VOVDD > 2.7V
VOVDD > 2.3V
MIN TYP MAX UNITS
0.7 x
VOVDD
-10
±0.05 x
VOVDD
10
0.3 x
VOVDD
+10
V
V
V
pF
µA
VOVDD
- 0.4
V
0.4 V
-10 +10 µA
15 pF
2 µs
1.3 1.5 µs
0.5 µs
5 ns
14
20 ns
25
16
24 ns
30
6 ns
6 ns
12
18 ns
23
www.maximintegrated.com
Maxim Integrated 4

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MAX11158 전자부품, 판매, 대치품
MAX11158
18-Bit, 500ksps, ±5V SAR ADC with
Internal Reference in µMAX
Typical Operating Characteristics (continued)
(VDD = 5.0V, VOVDD = 3.3V, fSAMPLE = 500ksps, TA = +25NC, unless otherwise noted.)
2.0
1.5
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
4.75
MAX DNL
MIN DNL
DNL vs. VDD SUPPLY VOLTAGE
toc07
AVERAGE OF 128 DEVICES
4.85 4.95 5.05 5.15 5.25
VDD (V)
16000
14000
12000
10000
8000
6000
4000
2000
0
OUTPUT NOISE HISTOGRAM
NO AVERAGE
toc09
SINGLE DEVICE
STDEV = 1.7 LSB
OUTPUT CODE (DECIMAL)
8
6
4
2
0
-2
-4
-6
-8
4.75
MAX INL
MIN INL
INL vs. VDD SUPPLY VOLTAGE
toc08
AVERAGE OF 128 DEVICES
4.85 4.95 5.05 5.15 5.25
VDD (V)
28000
24000
20000
16000
12000
8000
4000
0
OUTPUT NOISE HISTOGRAM WITH
4 SAMPLE AVERAGE
toc10
SINGLE DEVICE
STEDV = 0.85 LSB
OUTPUT CODE (DECIMAL)
INTERNAL REFERENCE VOLTAGE (REF PIN)
vs. TEMPERATURE
4.104 15 DEVICES
4.102
4.100
4.098
4.096
4.094
4.092
4.090
-40 -15 10 35 60
TEMPERATURE (°C)
toc011
85
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
INITIAL ERROR VOLTAGE ON REF PIN
60
303 Devices
Mean = 4096.0mV
50 STDEV = 1.2mV
STDEV = 282ppm
40
30
20
10
0
REF PIN VOLTAGE (V)
toc12
www.maximintegrated.com
Maxim Integrated 7

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