參數(shù)資料
型號(hào): AS1526-BSOT
廠商: AUSTRIAMICROSYSTEMS AG
元件分類: ADC
英文描述: 10-bit ADC 1-CH, 73ksps intRef; Package Type: SOIC-8
中文描述: 1-CH 10-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO8
封裝: SOIC-8
文件頁(yè)數(shù): 4/20頁(yè)
文件大?。?/td> 307K
代理商: AS1526-BSOT
wwwams.com
Revision 1.4
4 - 20
AS1526/AS1527
Datasheet
- Electrical Characteristics
6 Electrical Characteristics
V
DD
= +2.7 to +3.6V, 73ksps, f
SCLK
= 2.1MHz (50% duty cycle); AS1526:4.7
μ
F capacitor at REF, AS1527: external reference;
V
REF
= 2.5V
applied to REF;
T
AMB
= T
MIN
to T
MAX
(unless otherwise specified)
.
Table 3. Electrical Characteristics
Symbol
Parameter
Conditions
Mn
Typ
Max
Units
DC Accuracy
1
Resolution
10
Bits
Relative Accuracy
2
±0.5
LSB
DNL
Differential Non-Linearity
No mssing codes over temperature
±1
LSB
Offset Error
±2
LSB
Gain Error
3
±2
LSB
Gain Temperature Coefficient
±1
ppm/°C
Dynamic Specifications
(10kHz sine-wave input, 0V to 2.5Vp-p, 73ksps, f
SCLK
=2.1MHz)
SINAD
Signal-to-Noise + Distortion Ratio
61
dB
THD
Total Harmonic Distortion
Up to the 5th harmonic
-70
dB
SFDR
Spurious-Free Dynamc Range
70
dB
Small-Signal Bandwidth
-3dB rolloff
2.5
MHz
Full-Power Bandwidth
2.5
MHz
Conversion Rate
t
CONV
Conversion Time
5.5
7.5
μs
t
ACQ
Track/Hold Acquisition Time
1.5
μs
Throughput Rate
4
f
SCLK
= 2.1MHz
73
ksps
t
AP
Aperture Delay
refer to
Figure27
7
ns
Aperture Jitter
<50
ps
Analog Input
Input Voltage Range
0
V
REF
V
Input Capacitance
21
pF
Internal Reference
(AS1526 only)
REF
Output Voltage
T
AMB
= +25oC
5
2.47
2.50
2.53
V
REF
Short-Circuit Current
45
mA
REF
Temperature Coefficient
AS1526
±30
ppm/°C
Load Regulation
6
0 to 0.2mA output load
0.35
mV
C
REFBYP
Capacitive Bypass at
REF
4.7
μF
External Reference
(V
REF
= 2.5V)
Input Voltage Range
1.00
V
DD
+
50mV
V
Input Current
100
150
μA
k
Ω
Input Resistance
18
25
REF
Input Current in Shutdown
SHDNN = 0V
±0.01
10
μA
C
REFBYP
Capacitive Bypass at
REF
0.1
μF
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