XRD8775AIP Просмотр технического описания (PDF) - Exar Corporation
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XRD8775AIP Datasheet PDF : 15 Pages
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XRD8775
ELECTRICAL CHARACTERISTICS TABLE
UNLESS OTHERWISE SPECIFIED: AVDD = DVDD = 5V, FS = 15MHZ (50% DUTY CYCLE),
VRT = 2.6V, VRB = 0.6V, TA = 25°C
25°C
Parameter
Symbol
Min
Typ
Max
Units Test Conditions/Comments
KEY FEATURES
Resolution
8
Bits
Sampling Rate
FS
0.1
15
20
MHz
ACCURACY
Differential Non-Linearity
DNL
+/-0.75 LSB
@ 15MHz
Differential Non-Linearity
DNL
+/-0.5
LSB
@ 10MHz
Integral Non-Linearity
INL
+/-1.5 LSB
Best Fit Line
(Max INL – Min INL)/2
Zero Scale Error
EZS
+3
LSB
Full Scale Error
EFS
-2
LSB
REFERENCE VOLTAGES
Positive Ref. Voltage
Negative Ref. Voltage
Differential Ref. Voltage3
Ladder Resistance
Ladder Temp. Coefficient
Self Bias 1
VRT
VRB
V REF
RL
RTCO
AGND
1.0
245
2.6
0.6
350
2000
AVDD
AVDD
550
V
V
V
Ω
ppm/°C
VREF = VRT – VRB
Short VRB and VRBS
Short VRT and VRTS
Self Bias 2
VRB
VRT-VRB
0.6
V
2
V
VRB = AGND,
VRT
Short VRT and VRTS
ANALOG INPUT
2.3
V
Input Bandwidth (–1 dB)2, 4
BW
50
MHz
Input Voltage Range
Input Capacitance 5
Aperture Delay2
DIGITAL INPUTS
VIN
VRB
VRT
V
CIN
16
pF
tAP
3
ns
Logical “1” Voltage
Logical “0” Voltage
DC Leakage Current 6
CLK
VIH
4.0
VIL
IIN
5
V
1.0
V
VIN =DGND to DVDD
µA
Input Capacitance
5
pF
Clock Timing ( See Figure 1.)7
Clock Period
1/FS
50
66.7
ns
High Pulse Width
Low Pulse Width
DIGITAL OUTPUTS
Logical “1” Voltage
Logical “0” Voltage
Data Valid Delay 8
tPWH
25
33.3
ns
tPWL
25
33.3
ns
C OUT =15 pF
VOH
4.5
V
I LOAD = 4 mA
VOL
0.4
V
I LOAD = 4 mA
tDL
10
ns
Rev. 4.00
3
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