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ADC14DC080 датащи(PDF) 2 Page - Texas Instruments

номер детали ADC14DC080
подробное описание детали  ADC14DC080 Dual 14-Bit, 80 MSPS A/D Converter with CMOS Outputs
PDF  26 Pages
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производитель  TI2 [Texas Instruments]
домашняя страница  https://www.ti.com
Logo TI2 - Texas Instruments

ADC14DC080 датащи(HTML) 2 Page - Texas Instruments

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VA
VA
VA
VA
AGND
AGND
VA
AGND
ADC14DC080
(top view)
1
2
3
4
5
6
7
8
9
10
11
12
14
15
13
VRPA
VDR
32
31
45
44
43
42
41
40
39
38
37
35
34
33
36
VINA-
VINA+
AGND
AGND
AGND
VA
AGND
VINB-
VCMOA
VRNA
VCMOB
VRNB
VRPB
DRGND
* Exposed Pad
VINB+
DB8
DB9
DB10
DB13 (MSB)
DB12
DB11
DRDY
DA0 (LSB)
DA1
DA2
DA5
DA4
DA3
ADC14DC080
SNAS463B – SEPTEMBER 2008 – REVISED APRIL 2013
www.ti.com
Connection Diagram
Pin Descriptions and Equivalent Circuits
Pin No.
Symbol
Equivalent Circuit
Description
ANALOG I/O
3
VINA+
13
VINB+
Differential analog input pins. The differential full-scale input signal
level is 2VP-P with each input pin signal centered on a common mode
2
VINA-
voltage, VCM.
14
VINB-
5
VRPA
11
VRPB
7
VCMOA
9
VCMOB
These pins should each be bypassed to AGND with a low ESL
(equivalent series inductance) 1 µF capacitor placed very close to
the pin to minimize stray inductance. An 0201 size 0.1 µF capacitor
should be placed between VRP and VRN as close to the pins as
possible, and a 1 µF capacitor should be placed in parallel.
VRP and VRN should not be loaded. VCMO may be loaded to 1mA for
6
VRNA
use as a temperature stable 1.5V reference.
10
VRNB
It is recommended to use VCMO to provide the common mode
voltage, VCM for the differential analog inputs.
2
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Copyright © 2008–2013, Texas Instruments Incorporated
Product Folder Links: ADC14DC080



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