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參數資料
| 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： | 1/28頁 |
| 文件大?。?/td> | 920K |
| 代理商： | AS1533-T |
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AS1532, AS1533
12-Bit, Single-Supply, Low-Power, 400/300ksps,
4-Channel A/D Converters
1 General Description
Data Sheet
www.austriamicrosystems.com
Revision 1.00
1 - 28
The AS1532/AS1533 are low-power, 4/2-channel, 400/
300ksps, 12-bit analog-to-digital (A/D) converters specif-
ically designed to operate with single-supply devices.
Superior AC characteristics, very low power consump-
tion, and highly-reliable packaging make these ultra-
small devices perfect for battery-powered remote-sen-
sor and data-acquisition devices.
The successive-approximation register (SAR), high-
speed sampling, high-bandwidth track/hold circuitry, and
multi-mode operation combine to make these devices
highly-flexible and configurable.
Both devices require low supply current (2.8mA @
400ksps, AS1532; 2.2mA @ 300ksps, AS1533) and fea-
ture a reduced-power mode and a power-down mode to
lower power consumption at slower throughput rates.
The devices operate from a single supply (+4.5 to +5.5V,
AS1532; +2.7 to +3.6V, AS1533). Both devices contain
an internal 2.5V reference, an integrated reference
buffer, and feature support for an external reference (1V
to V
DD
).
Data accesses are made via the high-speed, 4-wire,
SPI, QSPI-, and Microwire-compatible serial interface.
The devices are available in a 16-pin TSSOP package.
Figure 1. Block Diagram and Pin Assignments
2 Key Features
!
Single-Supply Operation:
- +4.5 to +5.5V (AS1532)
- +2.7 to +3.6V (AS1533)
!
Sampling Rate:
- 400ksps (AS1532)
- 300ksps (AS1533)
!
Software-Configurable Analog Input Types:
- 4-Channel Single-Ended
- 4-Channel Pseudo Differential Referenced to COM
- 2-Channel Pseudo Differential
- 2-Channel Fully Differential
!
Software-Configurable Input Range
!
Internal +2.5V Reference
!
Low-Current Operation:
- 2.8mA @ 400ksps (AS1532)
- 2.2mA @ 300ksps (AS1533)
- 0.4mA in Reduced-Power Mode
- 0.5μA in Full Power-Down Mode
!
SPI/QSPI/Microwire/TMS320-Compatible
!
16-pin TSSOP Package
3 Applications
The devices are ideal for remote sensors, data-acquisi-
tion and data-logging devices, pen-digitizers, process
control, or any other space-limited A/D application with
low power-consumption requirements.
AS1532/
AS1533
Control
Logic
Output
Shift
Register
12-Bit
SAR
IN
OUT
REF
Analog
Input
+1.2V
REF
Input Shift
Register
Track/
Hold
17k
Ω
Av
≈
2.05
+2.50V
12
SSTRB
14
CSN
15
11
DOUT
1
V
DD1
16
V
DD2
10
GND
SCLK
13
DIN
2:5
CH0:CH3
6
COM
9
REFADJ
8
REF
7
V
DD3
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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相關代理商/技術參數 |
參數描述 |
|---|---|
| AS1534 | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:12-bit, 8-Channel, Low-Power, 200ksps A/D Converter |
| AS1536 | 制造商:AMSCO 制造商全稱:austriamicrosystems AG 功能描述:12-Bit, Single Supply, Low-Power, 73ksps A/D Converters |
| AS15360204PD | 制造商:Raltron Electronics Corporation 功能描述: |
| AS15360FLF | 制造商:TT Electronics / IRC 功能描述:AS15360FLF |
| AS15360HLF | 制造商:TT Electronics / IRC 功能描述:AS15360HLF |
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