參數(shù)資料
型號: ADS1271EVM
廠商: Texas Instruments, Inc.
英文描述: modular EVM form factor
中文描述: 模塊化EVM的外形
文件頁數(shù): 26/29頁
文件大?。?/td> 381K
代理商: ADS1271EVM
SBAS306A NOVEMBER 2004 REVISED DECEMBER 2004
www.ti.com
26
Tie to
Either
DVDD
or GND
+5V
Differential
Inputs
50
50
50
50
50
100
+5V
+
+
50
10
μ
F
10
μ
F
0.1
μ
F
0.1
μ
F
0.1
μ
F
+
0.1
μ
F
100pF
100pF
10
μ
F
+5V
1nF
100
μ
F
0.1
μ
F
0.1
μ
F
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
VREFP
VREFN
DGND
DVDD
CLK
SCLK
DRDY/
FSYNC
DOUT
AINP
AINN
AGND
AVDD
MODE
FORMAT
SYNC/
PDWN
DIN
ADS1271
27MHz
Clock
Source
REF3125
100
1k
1k
10nF
OPA350
1.8V to 3.3V (1)
NOTE: (1) 1.8V recommended.
Figure 60. Basic Connection Drawing
+15V
(1)
NOTE: (1) Bypass with 10
μ
F and 0.1
μ
F capacitors.
15V
(1)
V
REF
V
IN
49.9
AINP
OPA1632
AINN
V
OCM
0.1
μ
F
1k
1k
1k
1k
49.9
1000pF
1000pF
Figure 61. Basic Differential Signal Interface
+15V
(1)
NOTE: (1) Bypass with 10
μ
F and 0.1
μ
F capacitors.
15V
(1)
V
REF
V
IN
OPA1632
49.9
AINP
AINN
V
O DIFF
= 10
×
V
IN
V
O COMM
= V
REF
V
OCM
0.1
μ
F
10k
1k
10k
1k
49.9
1000pF
1000pF
Figure 62. Basic Single-Ended Signal Interface
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