AS1542-BTSU ams, AS1542-BTSU Datasheet - Page 9

• 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 - Ty p i c a l O p e r a t i n g C h a r a c t e r i s t i c s
7 Typical Operating Characteristics
V
Figure 5. Integral Nonlinearity vs. Digital Output Code
Figure 7. FFT @ 50kHz; RANGE=1, SE/FDN=1
Figure 9. ENOB vs. V
www.austriamicrosystems.com
DD
-0,2
-0,4
-0,6
-0,8
-100
-120
11.7
11.6
11.5
11.4
11.3
11.2
11.1
= 5.25V; V
0,8
0,6
0,4
0,2
-20
-40
-60
-80
-1
11
20
1
0
0
0
1
0
VDD = 3V
Input Signal Frequency (kHz)
REF
100
1024
Digital Output Code
2
= 2.5V, C
REFIN
200
V
2048
REFIN
; RANGE=1, SE/FDN=1
REF
3
f
N
SNR=72.1dB
THD = -84.7dB
SFDR = 86.2dB
300
SAMPLE
(V)
f
FFT
SAMPLE
= 4.7µF, RANGE=1, SE/FDN=1, T
= 32768
3072
= 1Msps
= 1Msps
400
4
VDD = 5V
4096
500
5
Revision 1.00
Figure 6. Differential Nonlinearity vs. Digital Output Code
Figure 8. FFT @ 50kHz; RANGE=1, SE/FDN=0
Figure 10. ENOB vs. Input Signal Frequency
-100
-120
11.8
11.7
11.6
11.5
11.4
11.3
11.2
11.1
-0,2
-0,4
-0,6
-0,8
0,8
0,6
0,4
0,2
-20
-40
-60
-80
-1
11
20
1
0
0
AMB
10
0
0
= +25ºC (unless otherwise specified).
Input Signal Frequency (kHz)
100
1024
VDD = 2.7V
Digital Output Code
Frequency (kHz)
200
2048
100
VDD = 3.6V
f
N
SNR=71.0dB
THD = -85.5dB
SFDR = 86.5dB
300
SAMPLE
f
SAMPLE
FFT
= 32768
VDD = 4.75V
VDD = 5.25V
3072
= 1Msps
= 1Msps
400
4096
1000
500
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