參數(shù)資料
型號(hào)： AS1542-BTST
廠商： AUSTRIAMICROSYSTEMS AG
元件分類： ADC
英文描述： 12-bit 16-CH 1Msps w Sequencer; Package Type: TSSOP-28
封裝： TSSOP-28
文件頁(yè)數(shù)： 5/29頁(yè)
文件大?。?/td> 964K
代理商： AS1542-BTST
www.austriamicrosystems.com
Revision 1.00
5 - 29
AS1542
Data Sheet - Electrical Characteristics
6 Electrical Characteristics
V
DD
= V
DRIVE
= 2.7 to 5.25V, REFIN = 2.5V, f
SCLK
= 20MHz (50% Duty cycle), V
CMIN
= V
REFIN
/2 (when SE/FDN = 0),
T
AMB
= -40 to +85°C. Typical values at T
AMB
= +25°C and V
DD
= V
DRIVE
= 5.25V (unless otherwise specified).
Table 3. Electrical Characteristics
Symbol
DC Accuracy
Parameter
Condition
Min
Typ
Max
Unit
Resolution
Integral Nonlinearity
12
±1
Bits
LSB
INL
DNL
Differential Nonlinearity
Straight Binary Output Coding;
Guaranteed No Missed Codes to 12 Bits
-0.95
+1.2
LSB
Offset Error
Offset Error Match
Gain Error
Gain Error Match
Offset Error
Offset Error Match
Gain Error
Gain Error Match
Zero Code Error
Zero Code Error Match
Gain Error
Gain Error Match
Zero Code Error
Zero Code Error Match
Gain Error
Gain Error Match
Bit SE/FDN = 1,
bit CODING = 1
Bit RANGE = 1
±4
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
±0.5
±4
±0.6
Bit RANGE = 0
±4
±0.5
±4
±0.6
±0.6
±0.5
Bit SE/FDN = 0,
bit CODING = 0
Bit RANGE = 1
±4
±4
±0.5
±0.6
±0.5
Bit RANGE = 0
±4
±4
±0.5
Dynamic Specifications
50kHz sinewave input
Signal to Noise +
Distortion Ratio
SNR
Signal-to-Noise Ratio
THD
Total Harmonic Distortion
Spurious-Free Dynamic
Range
Signal to Noise +
Distortion
SNR
Signal-to-Noise Ratio
THD
Total Harmonic Distortion
Spurious-Free Dynamic
Range
SINAD
Bit RANGE = 1,
bit SE/FDN = 1
71.2
dB
71.8
-82
dB
dB
SFDR
84
dB
SINAD
Bit RANGE = 0,
bit SE/FDN = 0,
bit CODING = 0
68
71
dB
69.5
71.5
-83
dB
dB
-71
SFDR
73
85
dB
IMD
Intermodulation Distortion
f
A
= 40.1kHz,
f
B
= 41.5kHz
Second Order Terms
Third Order Terms
-83
-91
dB
Channel-to-Channel
Isolation
f
IN
= 400kHz
-79
dB
Full Power Bandwidth
@ 3dB
@ 0.1dB
35
3.6
MHz
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