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AD7720

Features: 12.5 MHz Master Clock Frequency0 V to +2.5 V or 1.25 V Input RangeSingle Bit Output Stream90 dB Dynamic RangePower Supplies: AVDD, DVDD: +5 V 5%On-Chip 2.5 V Voltage Reference28-Lead TSSOPPinoutSpecificationsDVDD to DGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0...

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SeekIC No. : 004270744 Detail

AD7720: Features: 12.5 MHz Master Clock Frequency0 V to +2.5 V or 1.25 V Input RangeSingle Bit Output Stream90 dB Dynamic RangePower Supplies: AVDD, DVDD: +5 V 5%On-Chip 2.5 V Voltage Reference28-Lead TSSOP...

AD7720 Data Sheet

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Part Number:
AD7720
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

12.5 MHz Master Clock Frequency
0 V to +2.5 V or 1.25 V Input Range
Single Bit Output Stream
90 dB Dynamic Range
Power Supplies: AVDD, DVDD: +5 V 5%
On-Chip 2.5 V Voltage Reference
28-Lead TSSOP




Pinout

Connection Diagram




Specifications

DVDD to DGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +7 V
AVDD to AGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +7 V
AVDD to DVDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +0.3 V
AGND to DGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +0.3 V
Digital Input Voltage to DGND . . . . . . . . . . . . . . 0.3 V to DVDD + 0.3 V
Analog Input Voltage to AGND . . . . . . . . . . . . . . 0.3 V to AVDD + 0.3 V
Input Current to Any Pin Except Supplies2 . . . . . . .. . .. . .. . . . ±10 mA
Operating Temperature Range
Industrial (B Version) . . . . . . . . . . . . . . . . . . . . . . . . . .40°C to +85°C
Storage Temperature Range . . . . . . . . . . . . . . . . . . 65°C to +150°C
Maximum Junction Temperature . . . . . . . . . . . . . . . .. . .. . . . . . +150°C
TSSOP Package
JA Thermal Impedance . . . . . . . . . . . . . . . . . . . . . . .. . .. . . . 120°C/W
Lead Temperature, Soldering
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . . . .. . .. . .. +215°C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . .. .. +220°C

Resolution (Bits) 16bit
T-Put Rate 12.5MSPS
# Chan 1
Supply V Single(+5)
Pwr Diss 215mW
Interface Ser
Ain Range (Vref) p-p,2.5V p-p,Uni (Vref),Uni 2.5V
SNR (dB) n/a
Pkg Type SOP





Description

This device AD7720 is a 7th order sigma-delta modulator that converts the analog input signal into a high speed 1-bit data stream. The part operates from a +5 V supply and accepts a differential input range of 0 V to +2.5 V or ±1.25 V centered about a common-mode bias. The analog input is continuously sampled by the analog modulator, eliminating the need for external sample and hold circuitry. The input information is contained in the output stream as a density of ones. The original information can be reconstructed with an appropriate digital filter.

The part AD7720 provides an accurate on-chip 2.5 V reference. A refer-ence input/output function is provided to allow either the inter-nal reference or an external system reference to be used as the reference source for the part.

The device AD7720 is offered in a 28-lead TSSOP package and designed to operate from 40°C to +85°C.






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