AS1542-BTSU ams, AS1542-BTSU Datasheet - Page 15

• Manufacturer Part Number: AS1542-BTSU
• Description: Analog to Digital Converters - ADC
• Manufacturer: ams

Specifications of AS1542-BTSU

• Rohs: yes
• Number Of Channels: 16/8
• Architecture: SAR
• Conversion Rate: 1 MSPs
• Resolution: 12 bit
• Input Type: Single-Ended/Differential
• Snr: 71 dB
• Interface Type: QSPI, SPI
• Operating Supply Voltage: 2.7 V to 5.25 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: TSSOP-28
• Maximum Power Dissipation: 18.4 mW
• Minimum Operating Temperature: - 40 C
• Number Of Converters: 1

AS1542
Data Sheet - D e t a i l e d D e s c r i p t i o n
Analog Input Configuration
Table 7. Analog Input Configuration via bits RANGE and SE/FDN
Note: If bit RANGE = 0 and bit SE/FDN =1 V
Input Channel Selection
The input channels for conversion are selected using control register bits ADDR3:ADDR0 and bit SE/FDN.
Table 8. Channel Selection via Bits ADDR3:ADDR0 and SE/FDN
www.austriamicrosystems.com
Analog Input Configuration
8-channel fully-differential
16-channel single-ended
ADDR3
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
ADDR2
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
ADDR1
RANGE
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
1
0
1
0
DD
must be at least two times larger than V
ADDR0
Revision 1.00
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
SE/FDN
1
1
0
0
Analog Input Channel
(Single-Ended)
SE/FDN = 1
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
IN10
IN12
IN13
IN14
IN15
IN11
IN0
IN1
IN2
IN3
IN4
IN5
IN6
IN7
IN8
IN9
V
INx
V
INx
- V
V
- V
INy
V
INx
INx
INy
from [-V
from [0V to 2xV
from [0V to V
from [-V
REFIN
Comments
Analog Input Channel
.
REFIN
(Fully-Differential)
REFIN
V
V
V
V
V
V
SE/FDN = 0
V
V
V
V
V
V
V
V
V
V
IN10
IN11
IN12
IN13
IN14
IN15
/2 to +V
IN0
IN2
IN3
IN4
IN5
IN6
IN7
IN8
IN9
IN1
REFIN
to +V
REFIN
- V
- V
- V
- V
- V
- V
- V
- V
- V
- V
- V
- V
- V
- V
- V
- V
IN1
IN3
IN2
IN5
IN4
IN7
IN6
IN9
IN8
IN11
IN10
IN13
IN12
IN15
IN14
IN0
]
REFIN
REFIN
]
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