參數(shù)資料
型號(hào): AS1523-T
廠商: AUSTRIAMICROSYSTEMS AG
元件分類: ADC
英文描述: 10-Bit, 4-Ch, 300ksps, ADC; Package Type: TSSOP-16
封裝: TSSOP-16
文件頁數(shù): 24/28頁
文件大?。?/td> 893K
代理商: AS1523-T
www.austriamicrosystems.com
Revision 1.00
24 - 28
AS1522/AS1523
Data Sheet
- Application Information
Figure 33. Operational Diagram
QSPI Interface
The AS1522/AS1523 can interface with QSPI using the circuit in
Figure 34
(f
SCLK
= 4.0MHz, CPOL = 0, CPHA = 0).
This QSPI circuit can be programmed to do a conversion on each of the eight channels. The result is stored in memory
without affecting CPU performance, since QSPI incorporates a micro-sequencer.
Figure 34. QSPI Interface Connections
+2.5V
Analog
Inputs
0.1μF
9
REFADJ
1
V
DD1
16
V
DD2
7
V
DD3
4.7μF
1
CH0
10
GND
14
CSN
15
SCLK
13
DIN
11
DOUT
12
SSTRB
CPU
V
DD
I/O
SCK (SK)
MOSI (SO)
MISO (SI)
V
SS
0.1μF
+3 to +5V
8
REF
AS1522/
AS1523
4
CH3
6
COM
10μF
2
CH1
3
CH2
0.1μF
9
REFADJ
8
REF
4.7μF
10
GND
11
DOUT
12
SSTRB
CPU
PCSO
SCK
MOSI
MISO
GND
0.1μF
14
CSN
15
SCLK
13
DIN
+
10μF
Power
Supplies
+3 or
+5V
+3 or
+5V
AS1522/
AS1523
1
V
DD1
16
V
DD2
7
V
DD3
6
COM
+2.5V
Analog
Inputs
1
CH0
4
CH3
2
CH1
3
CH2
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