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AS1525-BTDR Datasheet(PDF) 1 Page - ams AG

Part # AS1525-BTDR
Description  150ksps, 12-Bit, 1-Channel Pseudo/True-Differential and 2-Channel Single-Ended ADCs
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS1525-BTDR Datasheet(HTML) 1 Page - ams AG

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AS1524/AS1525
150ksps, 12-Bit, 1-Channel Pseudo/Tr ue-Differential
and 2-Channel Single-Ended ADCs
www.austriamicrosystems.com
Revision 1.02
1 - 22
Datasheet
1 General Description
The AS1524/AS1525 are low-power, 12-bit analog-to-
digital converters (ADCs) designed to operate with a sin-
gle +2.7V to +5.25V supply. Excellent dynamic perfor-
mance, low power consumption, and simplicity make
these devices perfect for portable battery-powered data-
acquisition applications.
The devices are available as the standard products
listed in Table 1.
The devices feature a successive-approximation regis-
ter (SAR), automatic shutdown, fast wakeup (1.4µs),
and low-power consumption at the maximum sampling
rate of 150ksps.
Automatic shutdown (0.2µA) between conversions
results in reduced power consumption (at slower
throughput rates).
Data access are made via an external clock through the
SPI-/QSPI-/MICROWIRE-compatible 3-wire high-speed
serial interface.
The AS1525/AS1524 are available in a 8-pin TDFN
(3x3mm) package.
Figure 1. AS1524/AS1525 - Block Diagram
2 Key Features
!
Single-Supply Operation: +2.7V to +5.25V
!
Automatic Shutdown Between Conversions
!
Low Power Consumption
- 350µA @ 150ksps
- 245µA @ 100ksps
-24µA @ 10ksps
- 2.5µA @ 1ksps
- 200nA in Automatic Shutdown Mode
!
True-Differential Track/Hold, 150kHz Sampling Rate
Software-Configurable Unipolar/Bipolar Conversion
(AS1524)
!
Input Common Mode Range from GND to VDD
!
3-Wire SPI-/QSPI-/MICROWIRE-Compatible Serial
Interface
!
Internal Conversion Clock
!
8-pin TDFN (3x3mm) Package
3 Applications
The devices are ideal for remote sensors, data-acquisi-
tion, data logging devices, lab instruments, or for any
other space-limited A/D devices with low power con-
sumption and single-supply requirements.
Table 1. Standard Products
Model
Input Type
Input Voltage
AS1524
1-Channel, Pseudo /
True-Differential
0 to VREF /
-VREF/2 to VREF/2
AS1525
2-Channel, Single-
Ended
0 to VREF
AS1524/AS1525
Control
Logic
Input
Shift
Register
Osc
Track/
Hold
6
DOUT
5
GND
1
VDD
7
CNVST
8
SCLK
4
REF
12-Bit
SAR
2
AIN1/AIN+
2
AIN2/AIN-


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