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AS1533 데이터시트 PDF




austriamicrosystems AG에서 제조한 전자 부품 AS1533은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


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부품번호 AS1533 기능
기능 4-Channel A/D Converters
제조업체 austriamicrosystems AG
로고 austriamicrosystems AG 로고


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AS1533 데이터시트, 핀배열, 회로
www.DataSheet4U.com
AS1532, AS1533
12-Bit, Single-Supply, Low-Power, 400/300ksps,
4-Channel A/D Converters
Product Brief
1 General Description
2 Key Features
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 VDD).
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.
! 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
Figure 1. Block Diagram and Pin Assignments
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.
14
CSN
15
SCLK
13
DIN
2:5
CH0:CH3
6
COM
9
REFADJ
8
REF
Output
Shift
Register
Input Shift
Register
Control
Logic
Analog
Input
AS1532/
AS1533
Track/
Hold
12-Bit
SAR
IN OUT
REF
+1.2V
REF
17kΩ
Av 2.05
+2.50V
11
DOUT
12
SSTRB
7
VDD3
16
VDD2
1
VDD1
10
GND
VDD1 1
CH0 2
CH1 3
CH2 4
CH3 5
COM 6
VDD3 7
REF 8
AS1532/
AS1533
16 VDD2
15 SCLK
14 CSN
13 DIN
12 SSTR
11 DOUT
10 GND
9 REFADJ
www.austriamicrosystems.com
Revision 1.00
1-2





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