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AS1530 数据表(PDF) 5 Page - ams AG

部件名 AS1530
功能描述  12-Bit, Single-Supply, Low-Power, 400/300ksps, 8-Channel A/D Converters
PDF  29 Pages
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制造商  AMSCO [ams AG]
网页  http://www.ams.com
标志 AMSCO - ams AG

AS1530 数据表(HTML) 5 Page - ams AG

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Revision 1.02
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AS1530/AS1531
Data Sheet - El ectrical Characte ristics
6 Electrical Characteristics
AS1530 Electrical Characteristics
VDD1 = VDD2 = VDD3 = +4.5 to +5.5V, COM = GND, fSCLK= 6.4MHz, 50% duty cycle, 16 clocks/conversion cycle
(400ksps), external +2.5V at REF, REFADJ = VDD1, TAMB = TMIN to TMAX (unless otherwise specified). Typ values at
TAMB = +25ºC.
Table 3. AS1530 Electrical Characteristics
Symbol
Parameter
Conditions
Min
Typ
Max
Units
DC Accuracy
1
Resolution
12
Bits
INL
Relative Accuracy
2
-1
+1
LSB
DNL
Differential Nonlinearity
No missing codes over temperature
-1
+1
LSB
Offset Error
-6
+6
LSB
Gain Error
3
-6
+6
LSB
Gain-Error Temperature
Coefficient
±1.6
ppm/
°C
Channel-to-Channel
Offset Error Matching
±0.2
LSB
Dynamic Specifications: 100kHz sinewave input, 2.5Vp-p, 400ksps, 6.4MHz clock, bit RANGE (page 15) = 0,
pseudo-differential input mode
SINAD
Signal-to-Noise plus
Distortion Ratio
70
dB
THD
Total Harmonic Distortion
Up to the 5th harmonic
-82
dB
SFDR
Spurious-Free
Dynamic Range
83
dB
IMD
Intermodulation Distortion
fIN1 = 99kHz, fIN2 = 102kHz
76
dB
Channel-to-Channel
Crosstalk
4
fIN = 200kHz, VIN = 2.5Vp-p
-85
dB
Full-Power Bandwidth
-3dB point
6
MHz
Full-Linear Bandwidth
SINAD > 68dB
450
kHz
Conversion Rate
tCONV
Conversion Time
5
2.5
µs
tACQ
Track/Hold Acquisition Time
390
ns
tAD
Aperture Delay
7
ns
tAJ
Aperture Jitter
<50
ps
fSCLK
Serial Clock Frequency
0.5
6.4
MHz
Duty Cycle
40
60
%
Analog Inputs: CH0:CH7, COM
VCHx -
VCHy
(COM)
Input Voltage Range: Single-
Ended, Pseudo-Differential,
and Differential
6
Bit RANGE (page 15) = 1
0
VREF
V
Bit RANGE (page 15) = 0
-VREF
/2
+VREF
/2
Multiplexer Leakage Current
On/off leakage current, VCHx = 0 or VDD1
-1
±0.001
+1
µA
Input Capacitance
18
pF
Internal Reference
VREF
REF Output Voltage
TAMB = +25ºC
2.48
2.50
2.52
V
REF Short-Circuit Current
30
mA
TCVREF
REF Output Temperature
Coefficient
±25
ppm/
°C
Load Regulation
7
0 to 1mA output load
1.2
4.0
mV/
mA
CBYPREF
Capacitive Bypass at REF
4.7
10
µF



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