Datasheet LTC2333-16 (Analog Devices)
| Hersteller | Analog Devices |
| Beschreibung | Buffered 8-Channel, 16-Bit, 800ksps Differential ±10.24V ADC with 30VP-P Common Mode Range |
| Seiten / Seite | 40 / 1 — FeaTures. DescripTion. Eight Buffered Multiplexed Channels. 800ksps … |
| Dateiformat / Größe | PDF / 2.2 Mb |
| Dokumentensprache | Englisch |
FeaTures. DescripTion. Eight Buffered Multiplexed Channels. 800ksps Throughput. 500pA/12nA Maximum Input Leakage at 85°C/125°C
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LTC2333-16 Buffered 8-Channel, 16-Bit, 800ksps Differential ±10.24V ADC with 30VP-P Common Mode Range
FeaTures DescripTion
n
Eight Buffered Multiplexed Channels
The LTC®2333-16 is a 16-bit, low noise 8-channel multi- n
800ksps Throughput
plexed successive approximation register (SAR) ADC with n
500pA/12nA Maximum Input Leakage at 85°C/125°C
buffered differential, wide common mode range picoamp n
±1LSB INL (Maximum ±10.24V Range)
inputs. Operating from a 5V low voltage supply, flexible n
Guaranteed 16-Bit, No Missing Codes
high voltage supplies, and using the internal reference n
Differential, Wide Common Mode Range Inputs
and buffer, this SoftSpan™ ADC can be configured on a n
8-Channel Multiplexer with SoftSpan Input Ranges:
conversion-by-conversion basis to accept ±10.24V, 0V to
±10.24V, 0V to 10.24V, ±5.12V, 0V to 5.12V
10.24V, ±5.12V, or 0V to 5.12V signals on any channel.
±12.5V, 0V to 12.5V, ±6.25V, 0V to 6.25V
Alternately, the ADC may be programmed to cycle through n
94.2dB Single-Conversion SNR (Typical)
a sequence of channels and ranges without further user n
−110dB THD (Typical) at fIN = 2kHz
intervention. n
128dB CMRR, –125dB Active Crosstalk (Typical)
The integrated picoamp-input analog buffers, wide input n
420ns Step Response (Full-Scale, 0.005% Settling)
common mode range and 128dB CMRR of the LTC2333- n
Rail-to-Rail Input Overdrive Tolerance
16 allow the ADC to directly digitize a variety of signals n Programmable Sequencer with No-Latency Control using minimal board space and power. This input signal n Integrated Reference and Buffer (4.096V) flexibility, combined with ±1LSB INL, no missing codes n SPI CMOS (1.8V to 5V) and LVDS Serial I/O at 16 bits, and 94.2dB SNR, makes the LTC2333-16 an n 268mW Power Dissipation (Typical) ideal choice for many high voltage applications requiring n 48-Lead (7mm × 7mm) LQFP Package wide dynamic range.
applicaTions
The LTC2333-16 supports pin-selectable SPI CMOS (1.8V n to 5V) and LVDS serial interfaces. Direct Sensor Measurement L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and n Programmable Logic Controllers SoftSpan is a trademark of Analog Devices, Inc. All other trademarks are the property of their n respective owners. Protected by U.S. Patents, including 7705765, 7961132, 8319673, 9197235. Industrial Process Control n Test and Measurement
Typical applicaTion
15V 5V 1.8V TO 5V
Integral Nonlinearity vs
0.1µF 0.1µF 2.2µF 0.1µF
Output Code and Channel
CMOS OR LVDS 1.00 I/O INTERFACE ±10.24V RANGE TRUE BIPOLAR DRIVE (IN– = 0V) FULLY BUFFERS V 0.75 CC VDD VDDLBYP OVDD LVDS/CMOS ALL CHANNELS ARBITRARY DIFFERENTIAL PD +10V +5V 0.50 IN0+ LTC2333-16 0V 0V IN0– 0.25 SDO –10V SCKO –5V • • • 0 16-BIT SCKI MUX TRUE BIPOLAR UNIPOLAR SAMPLING SDI –0.25 +10V +10V ADC CS INL ERROR (LSB) BUSY SAMPLE –0.50 0V 0V CNV IN7+ CLOCK –0.75 –10V –10V IN7– DIFFERENTIAL INPUTS IN+/IN– WITH –1.00 VEE REFBUF REFIN GND –32768 –16384 0 16384 32768 WIDE INPUT COMMON MODE RANGE 233316 TA01a EIGHT BUFFERED OUTPUT CODE 47µF 0.1µF 233316 TA01b CHANNELS 0.1µF –15V 233316f For more information www.linear.com/LTC2333-16 1 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Reference Buffer Characteristics Digital Inputs and Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Configuration Tables Functional Block Diagram Timing Diagram Applications Information Board Layout Package Description Typical Application Related Parts
FeaTures DescripTion
n
Eight Buffered Multiplexed Channels
The LTC®2333-16 is a 16-bit, low noise 8-channel multi- n
800ksps Throughput
plexed successive approximation register (SAR) ADC with n
500pA/12nA Maximum Input Leakage at 85°C/125°C
buffered differential, wide common mode range picoamp n
±1LSB INL (Maximum ±10.24V Range)
inputs. Operating from a 5V low voltage supply, flexible n
Guaranteed 16-Bit, No Missing Codes
high voltage supplies, and using the internal reference n
Differential, Wide Common Mode Range Inputs
and buffer, this SoftSpan™ ADC can be configured on a n
8-Channel Multiplexer with SoftSpan Input Ranges:
conversion-by-conversion basis to accept ±10.24V, 0V to
±10.24V, 0V to 10.24V, ±5.12V, 0V to 5.12V
10.24V, ±5.12V, or 0V to 5.12V signals on any channel.
±12.5V, 0V to 12.5V, ±6.25V, 0V to 6.25V
Alternately, the ADC may be programmed to cycle through n
94.2dB Single-Conversion SNR (Typical)
a sequence of channels and ranges without further user n
−110dB THD (Typical) at fIN = 2kHz
intervention. n
128dB CMRR, –125dB Active Crosstalk (Typical)
The integrated picoamp-input analog buffers, wide input n
420ns Step Response (Full-Scale, 0.005% Settling)
common mode range and 128dB CMRR of the LTC2333- n
Rail-to-Rail Input Overdrive Tolerance
16 allow the ADC to directly digitize a variety of signals n Programmable Sequencer with No-Latency Control using minimal board space and power. This input signal n Integrated Reference and Buffer (4.096V) flexibility, combined with ±1LSB INL, no missing codes n SPI CMOS (1.8V to 5V) and LVDS Serial I/O at 16 bits, and 94.2dB SNR, makes the LTC2333-16 an n 268mW Power Dissipation (Typical) ideal choice for many high voltage applications requiring n 48-Lead (7mm × 7mm) LQFP Package wide dynamic range.
applicaTions
The LTC2333-16 supports pin-selectable SPI CMOS (1.8V n to 5V) and LVDS serial interfaces. Direct Sensor Measurement L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and n Programmable Logic Controllers SoftSpan is a trademark of Analog Devices, Inc. All other trademarks are the property of their n respective owners. Protected by U.S. Patents, including 7705765, 7961132, 8319673, 9197235. Industrial Process Control n Test and Measurement
Typical applicaTion
15V 5V 1.8V TO 5V
Integral Nonlinearity vs
0.1µF 0.1µF 2.2µF 0.1µF
Output Code and Channel
CMOS OR LVDS 1.00 I/O INTERFACE ±10.24V RANGE TRUE BIPOLAR DRIVE (IN– = 0V) FULLY BUFFERS V 0.75 CC VDD VDDLBYP OVDD LVDS/CMOS ALL CHANNELS ARBITRARY DIFFERENTIAL PD +10V +5V 0.50 IN0+ LTC2333-16 0V 0V IN0– 0.25 SDO –10V SCKO –5V • • • 0 16-BIT SCKI MUX TRUE BIPOLAR UNIPOLAR SAMPLING SDI –0.25 +10V +10V ADC CS INL ERROR (LSB) BUSY SAMPLE –0.50 0V 0V CNV IN7+ CLOCK –0.75 –10V –10V IN7– DIFFERENTIAL INPUTS IN+/IN– WITH –1.00 VEE REFBUF REFIN GND –32768 –16384 0 16384 32768 WIDE INPUT COMMON MODE RANGE 233316 TA01a EIGHT BUFFERED OUTPUT CODE 47µF 0.1µF 233316 TA01b CHANNELS 0.1µF –15V 233316f For more information www.linear.com/LTC2333-16 1 Document Outline Features Description Applications Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Converter Characteristics Dynamic Accuracy Internal Reference Characteristics Reference Buffer Characteristics Digital Inputs and Digital Outputs Power Requirements ADC Timing Characteristics Typical Performance Characteristics Pin Functions Configuration Tables Functional Block Diagram Timing Diagram Applications Information Board Layout Package Description Typical Application Related Parts