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参数资料
| 型号： | XRD9827EVAL |
| 厂商： | Exar Corporation |
| 文件页数： | 35/36页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD FOR XRD9827 |
| 标准包装： | 1 |
| 系列： | * |
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XRD9827
8
Rev. 3.00
ELECTRICAL CHARACTERISTICS
Test Conditions: AV
DD=DVDD=3V, ADCCLK=6MHz, 50% Duty Cycle, TA=25°C unless otherwise specified.
Symbol
Parameter
Min.
Typ.
Max.
Unit
Conditions
Power Supplies
AV
DD
Analog Power Supply
3.0
3.3
5.5
V
(Note 2)
DV
DD
Digital I/O Power Supply
3.0
3.3
5.5
V
DV
DD < AVDD
I
DD
Supply Current
60
mA
V
DD=3V
IDD
PD
Power Down Power Supply Current
50
A
V
DD=3V
ADC Specifications
RES
Resolution
12
Bits
F
s
Maximum Sampling Rate
12
MSPS
DNL
Differential Non-Linearity
±0.5
LSB
INL
Integral Non-Linearity
±1.0
LSB
MON
Monotonicity
Yes
V
RT
Top Reference Voltage
2.1
2.2
2.34
V
AV
DD = DVDD = 3.0V
V
RB
Bottom Reference Voltage
0.3
V
AV
DD = DVDD = 3.0V
DV
REF
Differential Reference Voltage
2.0V
V
AV
DD = DVDD = 3.0V
(V
RT - VRB)
R
L
Ladder Resistance
300
600
780
PGA & Offset DAC Specifications
PGARES
PGA Resolution
6
Bits
PGAG
MIN
Minimum Gain
0.950
1.0
1.050
V/V
PGAG
MAX
Maximum Gain
9.5
10.0
10.50
V/V
PGAGD
Gain Adjustment Step Size
0.14
V/V
V
BLACK
Black Level Input Range
-100
500
mV
DC Configuration
DACRES
Offset DAC Resolution
8
Bits
OFF
MIN
Minimum Offset Adjustment
-200
mV
Mode 111, D5=0 (Note 1)
OFF
MAX
Maximum Offset Adjustment
+600
mV
Mode 111, D5=0
OFF
MIN
Minimum Offset Adjustment
-400
mV
Mode 111, D5=1 (Note 1)
OFF
MAX
Maximum Offset Adjustment
+400
mV
Mode 111, D5=1
OFF
Offset Adjustment Step Size
3.14
mV
Note 1:
The additional ±100 mV of adjustment with respect to the black level input range is needed to compensate
for any additional offset introduced by the XRD9827 Buffer/PGA internally.
Note 2:
It is not recommended to operate the part between 3.6V and 4.4V.
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