XRD87L85 데이터 시트보기 (PDF) - Exar Corporation
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XRD87L85 Datasheet PDF : 15 Pages
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XRD87L85
ELECTRICAL CHARACTERISTICS TABLE
UNLESS OTHERWISE SPECIFIED: AVDD = DVDD = 3.3V, FS = 6MHz (50% DUTY CYCLE),
VRT = 2.5V, VRB = 0.5V, TA = 25°C
25°C
Parameter
Symbol
Min
Typ
Max
Units Test Conditions/Comments
KEY FEATURES
Resolution
8
Bits
Sampling Rate
FS
0.1
6
10
MHz
ACCURACY
Differential Non-Linearity
DNL
+/-0.3
+/-0.5 LSB
Integral Non-Linearity
INL
+/-0.75
+/-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
2.5
0.5
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
0.4
V
1.72
V
VRB = AGND,
VRT
Short VRT and VRTS
ANALOG INPUT
1.5
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
4
ns
Logical “1” Voltage
Logical “0” Voltage
DC Leakage Current 6
CLK
VIH
2.5
VIL
IIN
5
V
0.5
V
VIN =DGND to DVDD
µA
OE
5
µA
Input Capacitance
5
pF
Clock Timing ( See Figure 1.)7
Clock Period
1/FS
100
166
ns
High Pulse Width
Low Pulse Width
DIGITAL OUTPUTS
Logical “1” Voltage
Logical “0” Voltage
3-state Leakage
Data Valid Delay 8
Data Enable Delay
Data 3-state Delay
tPWH
50
83
tPWL
50
83
VOH
2.5
VOL
IOZ
-10
tDL
12
tDEN
5
tDHZ
5
ns
ns
C OUT =15 pF
V
I LOAD = 1 mA
0.5
V
I LOAD = 1 mA
10
µA
V OUT =DGND to DVDD
ns
ns
ns
Rev. 1.00
3
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