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Maxim Integrated Semiconductor Electronic Components Datasheet


MAX11162

SAR ADC



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MAX11162 pdf
EVALUATION KIT AVAILABLE
MAX11162
16-Bit, 500ksps, +5V Unipolar Input,
SAR ADC, in Tiny 10-Pin µMAX
General Description
The MAX11162 is a 16-bit, 500ksps, +5V unipolar pseudo-
differential input SAR ADC offering excellent AC and DC
performance in a small standard package.
This ADC typically achieves 93.6dB SNR, -106dB THD,
and ±0.5 LSB INL, ±0.2 LSB DNL. The MAX11162
guarantees 16-bit no-missing codes.
The MAX11162 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 multichannel applications and provides a busy
indicator option for simplified system synchronization and
timing.
The MAX11162 is offered in a 10-pin, 3mm x 5mm,
µMAXM package and is specified over the -40NC to +85NC
temperature range.
Applications
● Industrial Process Control
● Medical Instrumentation
● Test and Measurements
● Automatic Test Equipment
● Narrowband Receivers
Selector Guide and Ordering Information appear at end of
data sheet.
Benefits and Features
● High DC/AC Accuracy Improves Measurement
Quality
• 16-Bit Resolution with No Missing Codes
• 500ksps Throughput Rates Without Pipeline Delay/
Latency
• 93.6dB SNR and -106dB THD at 10kHz
• 0.47 LSBRMS Input-Referred Noise
• ±0.2 LSB DNL (typ) and ±0.5 LSB INL (typ)
● Wide Supply Range and Low Power Simplify Power-
Supply Design
• 5V Analog Supply
• 2.3V to 5V Digital Supply
• 24mW 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 registered trademark of Maxim Integrated Products, Inc.
QSPI is a trademark of Motorola, Inc.
MICROWIRE is a registered trademark of National
Semiconductor Corporation.
Typical Operating Circuit
VDD
(5V)
1µF
VOVDD
(2.3V TO 5V)
1µF
0 TO +5V
MAX9632
10Ω
4.7nF, COG
Ceramic
AIN+
AIN-
REF
10µF
REF
16-BIT ADC
INTERFACE AND CONTROL
SCLK
SDI
SDO
CNVST
HOST
CONTROLLER
MAX11162
GND
16-Bit to 18-Bit SAR ADC Family
±5V/REF
0 to 5V/
REF
0 to 5V
16 BIT/
250ksps
MAX11167
MAX11169
MAX11165
MAX11161
MAX11163
16 BIT/
500ksps
MAX11166
MAX11168
MAX11164
MAX11160
MAX11162
18 BIT/
500ksps
MAX11156
MAX11158
MAX11154
MAX11150
MAX11152
19-6855 Rev 1; 1/15



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MAX11162 pdf
MAX11162
16-Bit, 500ksps, +5V Unipolar Input,
SAR ADC, in Tiny 10-Pin µMAX
Absolute Maximum Ratings
VDD to GND.............................................................-0.3V to +6V
OVDD to GND........ -0.3V to the lower of (VDD + 0.3V) and +6V
AIN+, AIN-, REF
to GND................ -0.3V to the lower of (VDD + 0.3V) and +6V
SCLK, SDI, SDO, CNVST
to GND................ -0.3V to the lower of (VDD + 0.3V) and +6V
Maximum Current into Any Pin...........................................50mA
Continuous Power Dissipation (TA = +70NC)
µMAX (derate 8.8mW/°C above +70°C)......................707mW
Operating Temperature Range............................ -40NC to +85NC
Junction Temperature.......................................................+150NC
Storage Temperature Range............................. -65NC to +150NC
Lead Temperature (soldering, 10s).................................. +300NC
Soldering Temperature (reflow)........................................+260NC
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation
of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum
rating conditions for extended periods may affect device reliability.
Package Thermal Characteristics (Note 1)
µMAX
Junction-to-Ambient Thermal Resistance (θJA).......... 113°C/W
Junction-to-Case Thermal Resistance ((θJC)...............36°C/W
Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer
board. For detailed information on package thermal considerations, refer to www.maximintegrated.com/thermal-tutorial.
Electrical Characteristics
(VDD = 4.75V to 5.25V, VOVDD = 2.3V to 5.25V, fSAMPLE = 500kHz, VREF = 5V; TA = TMIN to TMAX, unless otherwise noted. Typical
values are at TA = +25NC.) (Note 2)
PARAMETER
ANALOG INPUT (Note 3)
Input Voltage Range
Absolute Input Voltage Range
Input Leakage Current
Input Capacitance
Input-Clamp Protection Current
STATIC PERFORMANCE (Note 4)
Resolution
No Missing Codes
Offset Error
Offset Temperature Coefficient
Gain Error
Gain Error Temperature Coefficient
Integral Nonlinearity
Differential Nonlinearity
Positive Full-Scale Error
Analog Input CMR
Power-Supply Rejection (Note 5)
Transition Noise
SYMBOL
CONDITIONS
AIN+ to AIN-
AIN+ to GND
AIN- to GND
Acquisition phase
Both inputs
N
INL
DNL
CMR
PSR
PSR vs. VDD
MIN TYP MAX UNITS
0
- 0.1
-0.1
-10
-20
VREF
VREF +
0.1
+0.1
+0.001
40
+10
+20
V
V
µA
pF
mA
16 Bits
16 Bits
-0.5 ±0.1 +0.5 mV
-6.5 ±1.3 +6.5 LSB
±1 µV/°C
-10 ±2 +10 LSB
±0.25
ppm/°C
-1.2 ±0.5 +1.2 LSB
-0.5 ±0.2 +0.5 LSB
-11 +11 LSB
4.7 LSB/V
3.6 LSB/V
0.47
LSBRMS
www.maximintegrated.com
Maxim Integrated 2



Part Number MAX11162
Description SAR ADC
Maker Maxim Integrated - Maxim Integrated
Total Page 27 Pages
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