參數(shù)資料
型號： THS1230EVM
廠商： Texas Instruments, Inc.
英文描述： THS1230EVM(THS1230評估板)
中文描述： THS1230EVM（THS1230評估板）
文件頁數(shù)： 20/30頁
文件大?。?/td> 427K
代理商： THS1230EVM
References
3-4
Table 3–2.Output Connector J5
J5 Pin
Name
Function
J5 Pin
Name
Function
1
NC
21
ADCDB03
DATA
2
GND
GND
22
GND
GND
3
GND
GND
23
ADCDB04
DATA
4
GND
GND
24
GND
GND
5
OUTCLKB
CLK
25
ADCDB05
DATA
6
GND
GND
26
GND
GND
7
GND
GND
27
ADCDB06
DATA
8
GND
GND
28
GND
GND
9
NC
29
ADCDB07
DATA
10
GND
GND
30
GND
GND
11
NC
31
ADCDB08
DATA
12
GND
GND
32
GND
GND
13
NC
33
ADCDB09
DATA
14
GND
GND
34
GND
GND
15
ADCDB00
DATA
35
ADCDB010
DATA
16
GND
GND
36
GND
GND
17
ADCDB01
DATA
37
ADCDB011
DATA
18
GND
GND
38
GND
GND
19
ADCDB02
DATA
39
ADCOVRNGB
OVFLOW
IND
20
GND
GND
40
GND
GND
3.5
References
In addition to being able to use the internal reference of the ADC, a reference
circuit has been included on the EVM. This uses a 1.2 V shunt reference diode
(U8) as its primary source, and allows adjustment of the V
REFT
and V
REFB
signals to the ADC using potentiometers P1 and P2, respectively. Using a
2.7-V supply, the range of the external reference signals V
REFT
is 0.60 V to
2.68 V, and V
REFB
, is 0 V to 1.79 V. In order to use the ADC with external
references, jumper links LNK1, LNK4, and LNK38 must be inserted. The
maximum setting of the V
REFT
and V
REFB
signals to the ADC must never
exceed the limits specified in the THS1215/30 data sheet.
3.6
Power
Power is supplied to the EVM via 4 mm banana sockets. For best performance,
use a separate low-noise analog power supply connected to J1 (3.3 V) and J8
(GND). Use a separate low-noise digital power supply connected to J2 (3.3 V)
and J3 (GND).
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