AS1545_1 AMSCO [austriamicrosystems AG], AS1545_1 Datasheet - Page 6

• Manufacturer Part Number: AS1545_1
• Description: Dual, 12-Bit, 1MSPS, SAR ADC
• Manufacturer: AMSCO [austriamicrosystems AG]

AS1545
Datasheet - E l e c t r i c a l C h a r a c t e r i s t i c s
6 Electrical Characteristics
AV
+85°C, external reference = 2.5V, RANGE = 0, Typical values at 5.25V and 25°C with external reference; Unless oth-
erwise specified.
Table 3. Electrical Characteristics
www.austriamicrosystems.com
Dynamic Specifications 50kHz sinewave input
Sample and Hold
DC Accuracy
Symbol
SINAD
SINAD
DD
SFDR
SFDR
SNR
SNR
THD
THD
IMD
= DV
DD
Straight Binary Output Coding
Channel-to-Channel Isolation
Signal to Noise + Distortion
Signal to Noise + Distortion
= 2.7V to 5.25V, V
Intermodulation Distortion
Total Harmonic Distortion
Total Harmonic Distortion
Aperture Delay Matching
Spurious-Free Dynamic
Spurious-Free Dynamic
Differential Nonlinearity
Full Power Bandwidth
Signal-to-Noise Ratio
Signal-to-Noise Ratio
Integral Nonlinearity
Offset Error Match
Gain Error Match
Aperture Delay
Aperture Jitter
Offset Error
Parameter
Resolution
Gain Error
Range
Range
Ratio
DRIVE
= 2.7 V to AV
Single-Ended and Pseudo-
Single-Ended and Pseudo
Single-Ended and Pseudo
Single Ended or Pseudo
Fully Differential Mode
Fully Differential Mode
Second Order Terms
Third Order Terms
Differential Modes
Differential Modes
Differential Mode
0.1 dB, V
0.1 dB, V
Differential mode
Differential Mode
DD
Revision 1.01
3 dB, V
3 dB, V
/DV
Condition
DD
DD
DD
, f
DD
DD
SCLK
= 5V
= 3V
= 5V
= 3V
= 20 MHz, f
SAMPLE
Min
70
71
68
69
= 1 MSPS, T
±0.25
±0.25
±0.75
72.5
72.5
-100
±0.4
±0.4
±0.5
±0.5
±0.5
Typ
-81
-83
-81
-83
-75
-90
3.1
2.9
72
72
30
39
35
±0.99
±0.99
±0.99
±0.99
Max
±2.5
200
-77
-73
-75
-75
13
12
±6
AMB
= -40 to
MHz
MHz
Unit
LSB
LSB
LSB
LSB
Bits
dB
dB
dB
ns
ps
ps
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