ADC108S052CIMT National Semiconductor, ADC108S052CIMT Datasheet

no-image

ADC108S052CIMT

Manufacturer Part Number
ADC108S052CIMT
Description
10BIT ADC, 8CH, POWERWISE, TSSOP16
Manufacturer
National Semiconductor
Datasheet

Specifications of ADC108S052CIMT

Resolution (bits)
10bit
Input Channel Type
Single Ended
Data Interface
Serial, SPI
Supply Voltage Range - Analogue
2.7V To 5.25V
Supply Voltage Range - Digital
2.7V To 5.25V
Supply
RoHS Compliant
Sampling Rate
500kSPS
Rohs Compliant
Yes

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ADC108S052CIMT
Quantity:
2 500
Part Number:
ADC108S052CIMTX
Manufacturer:
NS/国半
Quantity:
20 000
© 2005 National Semiconductor Corporation
ADC108S052
8-Channel, 200 kSPS to 500 kSPS, 10-Bit A/D Converter
General Description
The ADC108S052 is a low-power, eight-channel CMOS 10-
bit analog-to-digital converter specified for conversion
throughput rates of 200 kSPS to 500 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
IRE
The ADC108S052 may be operated with independent ana-
log and digital supplies. The analog supply (V
from +2.7V to +5.25V, and the digital supply (V
from +2.7V to V
+5V supply is 1.5 mW and 7.5 mW, respectively. The power-
down feature reduces the power consumption to 0.09 µW
using a +3V supply and 0.30 µW using a +5V supply.
The ADC108S052 is packaged in a 16-lead TSSOP pack-
age. Operation over the extended industrial temperature
range of −40˚C to +105˚C is guaranteed.
Connection Diagram
Ordering Information
TRI-STATE
MICROWIRE
QSPI
, and many common DSP serial interfaces.
and SPI
ADC108S052CIMT
ADC108S052CIMTX
ADC108S052EVAL
®
is a trademark of National Semiconductor Corporation.
is a trademark of National Semiconductor Corporation.
are trademarks of Motorola, Inc.
Order Code
A
. Normal power consumption using a +3V or
, QSPI
DS201644
Temperature Range
−40˚C to +105˚C
−40˚C to +105˚C
A
D
, MICROW-
) can range
) can range
Features
n Eight input channels
n Variable power management
n Independent analog and digital supplies
n SPI/QSPI/MICROWIRE/DSP compatible
n Packaged in 16-lead TSSOP
Key Specifications
n Conversion Rate
n DNL (V
n INL (V
n Power Consumption
Applications
n Automotive Navigation
n Portable Systems
n Medical Instruments
n Mobile Communications
n Instrumentation and Control Systems
— 3V Supply
— 5V Supply
A
A
16-Lead TSSOP Package, Tape & Reel
= V
20164405
= V
D
D
= 2.7V to 5.0V)
16-Lead TSSOP Package
= 2.7V to 5.0V)
Evaluation Board
Description
200 kSPS to 500 kSPS
September 2005
±
±
0.4 LSB (max)
0.4 LSB (max)
www.national.com
1.5 mW (typ)
7.5 mW (typ)

Related parts for ADC108S052CIMT

ADC108S052CIMT Summary of contents

Page 1

... The ADC108S052 is packaged in a 16-lead TSSOP pack- age. Operation over the extended industrial temperature range of −40˚C to +105˚C is guaranteed. Connection Diagram Ordering Information Order Code ADC108S052CIMT ADC108S052CIMTX ADC108S052EVAL TRI-STATE ® trademark of National Semiconductor Corporation. MICROWIRE is a trademark of National Semiconductor Corporation. ...

Page 2

Block Diagram Pin Descriptions and Equivalent Circuits Pin No. Symbol ANALOG I IN0 to IN7 DIGITAL I/O 16 SCLK 15 DOUT 14 DIN 1 CS POWER SUPPLY AGND 12 DGND ...

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

ADC108S052 Converter Electrical Characteristics The following specifications apply for V 200 kSPS to 500 kSPS, and C = 50pF, unless otherwise noted. Boldface limits apply for 25˚C. A Symbol Parameter DIGITAL INPUT CHARACTERISTICS V Input High ...

Page 5

ADC108S052 Timing Specifications The following specifications apply for V 200 kSPS to 500 kSPS, and C = 50pF. Boldface limits apply for T L Symbol Parameter CS Hold Time after SCLK Rising t CSH Edge CS Setup Time prior to ...

Page 6

Timing Diagrams FIGURE 1. ADC108S052 Operational Timing Diagram www.national.com FIGURE 2. ADC108S052 Serial Timing Diagram FIGURE 3. SCLK and CS Timing Parameters 6 20164451 20164406 20164450 ...

Page 7

Specification Definitions ACQUISITION TIME is the time required for the ADC to acquire 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 SCLK ...

Page 8

Typical Performance Characteristics kHz unless otherwise stated. DNL INL DNL vs. Supply www.national.com T = +25˚ 500 kSPS SAMPLE 20164440 20164442 20164421 MHz 40.2 SCLK IN DNL 20164441 INL 20164443 INL ...

Page 9

Typical Performance Characteristics kHz unless otherwise stated. (Continued) SNR vs. Supply ENOB vs. Supply INL vs. V with +25˚ 500 kSPS SAMPLE 20164422 DNL vs. V 20164433 DNL ...

Page 10

Typical Performance Characteristics kHz unless otherwise stated. (Continued) INL vs. SCLK Duty Cycle THD vs. SCLK Duty Cycle DNL vs. SCLK www.national.com T = +25˚ 500 kSPS SAMPLE SNR vs. SCLK Duty Cycle 20164458 ENOB vs. ...

Page 11

Typical Performance Characteristics kHz unless otherwise stated. (Continued) SNR vs. SCLK ENOB vs. SCLK INL vs. Temperature T = +25˚ 500 kSPS SAMPLE 20164462 DNL vs. Temperature 20164453 SNR vs. Temperature 20164460 MHz, ...

Page 12

Typical Performance Characteristics kHz unless otherwise stated. (Continued) THD vs. Temperature SNR vs. Input Frequency ENOB vs. Input Frequency www.national.com T = +25˚ 500 kSPS SAMPLE ENOB vs. Temperature 20164466 THD vs. Input Frequency 20164423 Power ...

Page 13

Functional Description The ADC108S052 is a successive-approximation analog-to- digital converter designed around a charge-redistribution digital-to-analog converter. 1.1 ADC108S052 OPERATION Simplified schematics of the ADC108S052 in both track and hold operation are shown in Figure 4 and Figure 5 respec- ...

Page 14

Functional Description neously and the ADC enters track mode. While there is no timing restriction with respect to the falling edges of CS and SCLK, see Figure 3 for setup and hold time requirements for the falling edge of ...

Page 15

Applications Information 2.1 TYPICAL APPLICATION CIRCUIT A typical application is shown in Figure 8. The split analog and digital supply pins are both powered in this example by the National LP2950 low-dropout voltage regulator. The ana- log supply is ...

Page 16

Applications Information (Continued) output capacitance, the more current flows through the die substrate and the greater the noise coupled into the analog channel. The first solution to keeping digital noise out of the analog supply is to decouple the ...

Page 17

... Physical Dimensions inches (millimeters) unless otherwise noted Order Number ADC108S052CIMT, ADC108S052CIMTX National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications. ...

Related keywords