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ADC3641 数据表(PDF) 3 Page - Texas Instruments

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部件名 ADC3641
功能描述  ADC364x 14-bit, 10-MSPS to 65-MSPS, Low-Noise, Low Power Dual Channel ADC
PDF  77 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

ADC3641 数据表(HTML) 3 Page - Texas Instruments

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5 Pin Configuration and Functions
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
30
29
28
27
26
25
24
23
22
21
40
39
38
37
36
35
34
33
32
31
PDN/SYNC
VREF
REFGND
REFBUF
AVDD
CLKP
CLKM
VCM
RESET
SDIO
IOVDD
IOVDD
DB4
DB5
DB6
IOGND
DCLK
DA6
DA5
DA4
GND PAD (backside)
Figure 5-1. RSB Package, 40-Pin WQFN, Top View
Table 5-1. Pin Functions
PIN
I/O
DESCRIPTION
NAME
NO.
INPUT/REFERENCE
AINM
13
I
Negative analog input, channel A
AINP
12
I
Positive analog input, channel A
BINP
39
I
Positive analog input, channel B
BINM
38
I
Negative analog input, channel B
REFBUF
4
I
1.2V external voltage reference input for use with internal reference buffer. Internal 100 kΩ
pull-up resistor to AVDD. This pin is also used to configure default operating conditions.
REFGND
3
I
Reference ground input
VCM
8
O
Common-mode voltage output for the analog inputs, 0.95V
VREF
2
I
External voltage reference input
CLOCK
CLKM
7
I
Negative differential sampling clock input for the ADC
CLKP
6
I
Positive differential sampling clock input for the ADC
CONFIGURATION
PDN/SYNC
1
I
Power down/Synchronization input. This pin can be configured via the SPI interface. Active
high. This pin has an internal 21 kΩ pull-down resistor.
RESET
9
I
Hardware reset. Active high. This pin has an internal 21 kΩ pull-down resistor.
www.ti.com
ADC3643
SBAS886 – OCTOBER 2020
Copyright © 2020 Texas Instruments Incorporated
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3
Product Folder Links: ADC3643



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