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| 型號： | AS1545-BQFT |
| 廠商： | AUSTRIAMICROSYSTEMS AG |
| 元件分類： | ADC |
| 英文描述： | Dual 12-bit, 12-CH, 1Msps; Package Type: TQFN(5x5)-32 |
| 封裝： | TQFN(5x5)-32 |
| 文件頁數(shù)： | 6/34頁 |
| 文件大?。?/td> | 1587K |
| 代理商： | AS1545-BQFT |
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Revision 1.01
6 - 34
AS1545
Datasheet - Electrical Characteristics
6 Electrical Characteristics
AV
DD
= DV
DD
= 2.7V to 5.25V, V
DRIVE
= 2.7 V to AV
DD
/DV
DD
, f
SCLK
= 20 MHz, f
SAMPLE
= 1 MSPS, T
AMB
= -40 to
+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
Symbol
Parameter
Condition
Min
Typ
Max
Unit
Dynamic Specifications
50kHz sinewave input
SINAD
Signal to Noise + Distortion
Ratio
Fully Differential Mode
70
72
dB
SNR
Signal-to-Noise Ratio
71
72.5
THD
Total Harmonic Distortion
-81
-77
SFDR
Spurious-Free Dynamic
Range
-83
-75
SINAD
Signal to Noise + Distortion
Single Ended or Pseudo
Differential Mode
68
72
dB
SNR
Signal-to-Noise Ratio
69
72.5
THD
Total Harmonic Distortion
-81
-73
SFDR
Spurious-Free Dynamic
Range
-83
-75
IMD
Intermodulation Distortion
Second Order Terms
-75
dB
Third Order Terms
-100
Channel-to-Channel Isolation
Sample and Hold
-90
Aperture Delay
13
ns
Aperture Jitter
30
ps
Aperture Delay Matching
200
ps
Full Power Bandwidth
3 dB, V
DD
= 5V
39
MHz
3 dB, V
DD
= 3V
35
0.1 dB, V
DD
= 5V
3.1
MHz
0.1 dB, V
DD
= 3V
2.9
DC Accuracy
Resolution
12
Bits
Integral Nonlinearity
Fully Differential Mode
±0.4
±0.99
LSB
Single-Ended and Pseudo
Differential Modes
±0.4
±0.99
Differential Nonlinearity
Differential mode
±0.25
±0.99
LSB
Single-Ended and Pseudo
Differential Modes
±0.25
±0.99
Straight Binary Output Coding
Offset Error
Single-Ended and Pseudo-
Differential Mode
±0.5
±6
LSB
Offset Error Match
±0.5
Gain Error
±0.75
±2.5
LSB
Gain Error Match
±0.5
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