ADC108S022EVAL/NOPB National Semiconductor, ADC108S022EVAL/NOPB Datasheet

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ADC108S022EVAL/NOPB

Manufacturer Part Number
ADC108S022EVAL/NOPB
Description
BOARD EVALUATION FOR ADC108S022
Manufacturer
National Semiconductor
Series
PowerWise®r
Datasheet

Specifications of ADC108S022EVAL/NOPB

Number Of Adc's
1
Number Of Bits
10
Sampling Rate (per Second)
200k
Data Interface
SPI™, QSPI™, MICROWIRE™, and DSP
Inputs Per Adc
8 Single Ended
Input Range
4.9 Vpp
Power (typ) @ Conditions
6.4mW @ 200kSPS
Voltage Supply Source
Analog and Digital
Operating Temperature
-40°C ~ 105°C
Utilized Ic / Part
ADC108S022
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
ADC108S022EVAL
© 2011 National Semiconductor Corporation
8-Channel, 50 ksps to 200 ksps, 10-Bit A/D Converter
General Description
The ADC108S022 is a low-power, eight-channel CMOS 10-
bit analog-to-digital converter specified for conversion
throughput rates of 50 ksps to 200 ksps. The converter is
based on a successive-approximation register architecture
with an internal track-and-hold circuit. It can be configured to
accept up to eight input signals at inputs IN0 through IN7.
The output serial data is straight binary and is compatible with
several standards, such as SPI ™ , QSPI ™ , MICROWIRE ™ ,
and many common DSP serial interfaces.
The ADC108S022 may be operated with independent analog
and digital supplies. The analog supply (V
+2.7V to +5.25V, and the digital supply (V
+2.7V to V
supply is 1.1 mW and 6.4 mW, respectively. The power-down
feature reduces the power consumption to 0.09 µW using a
+3V supply and 0.3 µW using a +5V supply.
The ADC108S022 is packaged in a 16-lead TSSOP package.
Operation over the extended industrial temperature range of
−40°C to +105°C is guaranteed.
Connection Diagram
Ordering Information
SPI ™ is a trademark of Motorola, Inc.
ADC108S022CIMT
ADC108S022CIMTX
ADC108S022EVAL
A
. Normal power consumption using a +3V or +5V
Order Code
201645
A
D
) can range from
) can range from
Temperature Range
−40°C to +105°C
−40°C to +105°C
ADC108S022
Features
Key Specifications
Applications
Eight input channels
Variable power management
Independent analog and digital supplies
SPI/QSPI/MICROWIRE/DSP compatible
Packaged in 16-lead TSSOP
Conversion Rate
DNL (V
INL (V
Power Consumption
— 3V Supply
— 5V Supply
Automotive Navigation
Portable Systems
Medical Instruments
Mobile Communications
Instrumentation and Control Systems
A
16-Lead TSSOP Package, Tape & Reel
A
20164505
= V
= V
D
D
= 2.7V to 5.25V)
16-Lead TSSOP Package
= 2.7V to 5.25V)
Evaluation Board
Description
50 ksps to 200 ksps
January 28, 2011
±0.3 LSB (max)
±0.3 LSB (max)
www.national.com
1.1 mW (typ)
6.4 mW (typ)

Related parts for ADC108S022EVAL/NOPB

ADC108S022EVAL/NOPB Summary of contents

Page 1

... Operation over the extended industrial temperature range of −40°C to +105°C is guaranteed. Connection Diagram Ordering Information Order Code ADC108S022CIMT ADC108S022CIMTX ADC108S022EVAL SPI ™ trademark of Motorola, Inc. © 2011 National Semiconductor Corporation ADC108S022 Features ■ Eight input channels ■ Variable power management ■ Independent analog and digital supplies ■ ...

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Block Diagram Pin Descriptions Pin No. Symbol ANALOG I/O IN0 to IN7 DIGITAL I/O 16 SCLK 15 DOUT 14 DIN 1 CS POWER SUPPLY AGND 12 DGND www.national.com Description Analog ...

Page 3

... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Analog Supply Voltage V A Digital Supply Voltage V D Voltage on Any Pin to GND Input Current at Any Pin (Note 3) Package Input Current(Note 3) Power Dissipation 25° ...

Page 4

Symbol Parameter DIGITAL INPUT CHARACTERISTICS V Input High Voltage IH V Input Low Voltage IL I Input Current IN C Digital Input Capacitance IND DIGITAL OUTPUT CHARACTERISTICS V Output High Voltage OH V Output Low Voltage ...

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ADC108S022 Timing Specifications The following specifications apply for V ksps to 200 ksps, and C = 50pF. Boldface limits apply for T L Symbol Parameter t CS Hold Time after SCLK Rising Edge CSH CS Setup Time prior to SCLK ...

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Timing Diagrams www.national.com FIGURE 1. ADC108S022 Operational Timing Diagram FIGURE 2. ADC108S022 Serial Timing Diagram FIGURE 3. SCLK and CS Timing Parameters 6 20164506 20164550 20164551 ...

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Specification Definitions ACQUISITION TIME is the time required for the ADC to ac- quire the input voltage. During this time, the hold capacitor is charged by the input voltage. APERTURE DELAY is the time between the fourth falling edge of ...

Page 8

Typical Performance Characteristics unless otherwise stated. DNL INL DNL vs. Supply www.national.com T = +25° 200 kSPS SAMPLE 20164540 20164542 INL vs. Supply 20164521 8 = 3.2 MHz 40.2 kHz SCLK IN DNL 20164541 ...

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SNR vs. Supply 20164522 ENOB vs. Supply 20164533 INL vs. V with 20164531 THD vs. Supply DNL vs. V with DNL vs. SCLK Duty Cycle 9 20164532 = 5.0 V 20164530 ...

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INL vs. SCLK Duty Cycle THD vs. SCLK Duty Cycle DNL vs. SCLK www.national.com SNR vs. SCLK Duty Cycle 20164558 ENOB vs. SCLK Duty Cycle 20164564 20164556 10 20164561 20164552 INL vs. SCLK 20164559 ...

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SNR vs. SCLK 20164562 ENOB vs. SCLK 20164553 INL vs. Temperature 20164560 THD vs. SCLK DNL vs. Temperature SNR vs. Temperature 11 20164565 20164557 20164563 www.national.com ...

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THD vs. Temperature SNR vs. Input Frequency ENOB vs. Input Frequency www.national.com ENOB vs. Temperature 20164566 THD vs. Input Frequency 20164523 Power Consumption vs. SCLK 20164525 12 20164554 20164524 20164544 ...

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Functional Description The ADC108S022 is a successive-approximation analog-to- digital converter designed around a charge-redistribution dig- ital-to-analog converter. 1.1 ADC108S022 OPERATION Simplified schematics of the ADC108S022 in both track and hold operation are shown in Figure 4 and tively. In ...

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CS goes low with SCLK low. Under this condition, the ADC automatically enters track mode and the falling edge seen as the first falling edge of SCLK. In the third condition, CS and SCLK ...

Page 15

The capacitor C1 in Figure 7 has a typical value and is mainly the package pin capacitance. Resistor R1 is the on resistance of the multiplexer and track / hold switch and is typically 500 ohms. Capacitor ...

Page 16

AD- C108S022. To calculate the power consumption (P multiply the fraction of time spent in the normal mode (t the normal mode power consumption (P tion of time spent in shutdown mode ...

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Physical Dimensions inches (millimeters) unless otherwise noted Order Number ADC108S022CIMT, ADC108S022CIMTX 16-Lead TSSOP NS Package Number MTC16 17 www.national.com ...

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... For more National Semiconductor product information and proven design tools, visit the following Web sites at: www.national.com Products Amplifiers www.national.com/amplifiers Audio www.national.com/audio Clock and Timing www.national.com/timing Data Converters www.national.com/adc Interface www.national.com/interface LVDS www.national.com/lvds Power Management www.national.com/power Switching Regulators www.national.com/switchers LDOs www.national.com/ldo LED Lighting www ...

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