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MFG:ADI D/C:09
Part Number: AD7468
MFG: ADI
D/C: 09
Description: The AD7466/AD7467/AD7468 are 12/10/8-bit, high speed, low power, successive-approximation ADCs respect...
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AD7468
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DataSheet
General Description
AD7468 General Description
The AD7466/AD7467/AD7468 are 12/10/8-bit, high speed, low power, successive-approximation ADCs respectively. The parts operate from a single 1.8 V to 3.6 V power supply and feature throughput rates up to 100 kSPS. The parts contain a low-noise, wide bandwidth track/hold amplifier which can handle input frequencies in excess of 100 kHz.
The conversion process and data acquisition are controlled using CS and the serial clock, allowing the devices to interface with microprocessors or DSPs. The input signal is sampled on the falling edge of CS and the conversion is also initiated at this point. There are no pipelined delays associated with the part.
The AD7466/AD7467/AD7468 use advanced design techniques to achieve very low power dissipation at high throughput rates.
The reference for the part is taken internally from VDD. This allows the widest dynamic input range to the ADC. Thus the analog input range for the part is 0 to VDD. The conversion rate is determined by the SCLK.
AD7468 Maximum Ratings
(TA = +25 unless otherwise noted)
VDD to GND ..................0.3 V to TBD V
Analog Input Voltage to GND ......0.3 V to VDD + 0.3 V
Digital Input Voltage to GND ......... 0.3 V to TBDV
Digital Output Voltage to GND ..... 0.3 V to VDD + 0.3 V
Input Current to Any Pin Except Supplies2 ..... ..±10 mA
Operating Temperature Range
Commercial (A, B Version) ...........40 to +85
Storage Temperature Range .........65 to +150
Junction Temperature +150
SOT-23 Package, Power Dissipation......... 450 mW
JA Thermal Impedance.......... 229.6/W (SOT23)
205.9/W (SOIC)
JC Thermal Impedance ..........91.99/W (SOT23)
43.74/W (SOIC)
Lead Temperature, Soldering
Vapor Phase (60 secs) .................+215
Infared (15 secs) ....................+220
ESD............................ TBD
VDD to GND ..................0.3 V to TBD V
Analog Input Voltage to GND ......0.3 V to VDD + 0.3 V
Digital Input Voltage to GND ......... 0.3 V to TBDV
Digital Output Voltage to GND ..... 0.3 V to VDD + 0.3 V
Input Current to Any Pin Except Supplies2 ..... ..±10 mA
Operating Temperature Range
Commercial (A, B Version) ...........40 to +85
Storage Temperature Range .........65 to +150
Junction Temperature +150
SOT-23 Package, Power Dissipation......... 450 mW
JA Thermal Impedance.......... 229.6/W (SOT23)
205.9/W (SOIC)
JC Thermal Impedance ..........91.99/W (SOT23)
43.74/W (SOIC)
Lead Temperature, Soldering
Vapor Phase (60 secs) .................+215
Infared (15 secs) ....................+220
ESD............................ TBD
AD7468 Features
Specified for VDD of 1.8 V to 3.6 V
Low Power:
0.9 mW max at 60 kSPS with 3.6 V Supplies
0.4 mW max at 100 kSPS with 1.8 V Supplies
Fast Throughput Rate: 100 kSPS
Wide Input Bandwidth:
70dB SNR at 30 kHz Input Frequency
Flexible Power/Serial Clock Speed Management
No Pipeline Delays
High Speed Serial Interface
SPI/QSPI/mWire/DSP Compatible
Standby Mode: 0.5 A max
6-Lead SOT-23 Package and 8 lead SOIC
Low Power:
0.9 mW max at 60 kSPS with 3.6 V Supplies
0.4 mW max at 100 kSPS with 1.8 V Supplies
Fast Throughput Rate: 100 kSPS
Wide Input Bandwidth:
70dB SNR at 30 kHz Input Frequency
Flexible Power/Serial Clock Speed Management
No Pipeline Delays
High Speed Serial Interface
SPI/QSPI/mWire/DSP Compatible
Standby Mode: 0.5 A max
6-Lead SOT-23 Package and 8 lead SOIC
AD7468 Typical Application
Battery Powered Systems
Medical Instruments
Ramote Data Acquisition
Isolated Data Acquisition
Medical Instruments
Ramote Data Acquisition
Isolated Data Acquisition
AD7468 Connection Diagram
AD7468
PDF/DataSheet Download
- Datasheet: AD7468
- File Size: 175593 KB
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AD7468 Relative Products
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