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參數(shù)資料
| 型號： | AS1533-T |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | ADC |
| 英文描述： | 12-Bit, 4-CH, ADC, 300ksps; Package Type: TSSOP-16 |
| 封裝： | TSSOP-16 |
| 文件頁數(shù)： | 3/28頁 |
| 文件大?。?/td> | 920K |
| 代理商： | AS1533-T |
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www.austriamicrosystems.com
Revision 1.00
3 - 28
AS1532/AS1533
Data Sheet
- Pinout
4 Pinout
Pin Assignments
Figure 2. Pin Assignments (Top View)
Pin Descriptions
Table 1. Pin Descriptions
Pin Number
1
2:5
6
7
Pin Name
V
DD1
CH0:CH3
COM
V
DD3
Description
Positive Supply Voltage
Analog Sampling Inputs.
These four pins serve as analog sampling inputs.
Common Analog Inputs
. Tie this pin to ground in single-ended mode.
Positive Supply Voltage
Reference-Buffer Output/A/DC Reference Input
. This pin serves as the reference
voltage for analog-to-digital conversions. In internal reference mode, the reference
buffer provides a +2.50V nominal output, externally adjustable at pin REFADJ. In
external reference mode, disable the internal buffer by pulling pin REFADJ to V
DD1
.
Reference-Buffer Amplifier Input
. To disable the reference-buffer amplifier, tie this
pin to V
DD1
.
Analog and Digital Ground
Serial Data Output
. Data is clocked out at the rising edge of pin SCLK. DOUT is high
impedance when CSN is high.
Serial Strobe Output
. SSTRB pulses high for one clock period before the MSB is
clocked out. SSTRB is high impedance when CSN is high.
Serial Data Input
. Data is clocked in at the rising edge of SCLK.
Active-Low Chip Select
. Data will not be clocked into pin DIN unless CSN is low.
When CSN is high, pins DOUT and SSTRB are high impedance.
Serial Clock Input
. This pin clocks data into and out of the serial interface, and is used
to set the conversion speed.
Note:
The duty cycle must be between 40 and 60%.
Positive Supply Voltage
8
REF
9
REFADJ
10
GND
11
DOUT
12
SSTRB
13
DIN
14
CSN
15
SCLK
16
V
DD2
AS1532/
AS1533
1
V
DD1
2
CH0
3
CH1
4
CH2
5
CH3
6
COM
7
V
DD3
8
REF
16 V
DD2
15 SCLK
14 CSN
13 DIN
12 SSTR
11 DOUT
10 GND
9
REFADJ
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
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