參數(shù)資料
型號： AD9260EB
廠商： Analog Devices, Inc.
英文描述： High-Speed Oversampling CMOS ADC with 16-Bit Resolution at a 2.5 MHz Output Word Rate
中文描述： 高速16位分辨率在2.5 MHz的輸出字速率采樣的CMOS模數(shù)轉(zhuǎn)換器
文件頁數(shù)： 2/36頁
文件大?。?/td> 572K
代理商： AD9260EB
–2–
REV. B
AD9260–SPECIFICATIONS
CLOCK INPUT FREQUENCY RANGE
Parameter—Decimation Factor (N)
AD9260 (8)
AD9260 (4)
AD9260 (2)
AD9260 (1)
Units
CLOCK INPUT (Modulator Sample Rate, f
CLOCK
)
1
20
1
20
1
20
1
20
kHz min
MHz max
OUTPUT WORD RATE (FS = f
CLOCK
/N)
0.125
2.5
0.250
5
0.500
10
1
20
kHz min
MHz max
Specifications subject to change without notice
DC SPECIFICATIONS
P
arameter—Decimation Factor (N)
AD9260 (8)
AD9260 (4)
AD9260 (2)
AD9260 (1)
Units
RESOLUTION
16
16
16
12
Bits min
INPUT REFERRED NOISE (TYP)
1.0 V Reference
2.5 V Reference
1
1.40
0.68 (90.6)
2.4
1.2 (86)
6.0
3.7 (76)
1.3
1.0 (63.2)
LSB rms typ
LSB rms typ (dB typ)
ACCURACY
Integral Nonlinearity (INL)
Differential Nonlinearity (DNL)
No Missing Codes
Offset Error
Gain Error
2
Gain Error
3
±
0.75
±
0.50
16
0.9 (0.5)
2.75 (0.66)
1.35 (0.7)
±
0.75
±
0.50
16
(0.5)
(0.66)
(0.7)
±
0.75
±
0.50
16
(0.5)
(0.66)
(0.7)
±
0.3
±
0.25
12
(0.5)
(0.66)
(0.7)
LSB typ
LSB typ
Bits Guaranteed
% FSR max (typ @ +25
°
C)
% FSR max (typ @ +25
°
C)
% FSR max (typ @ +25
°
C)
TEMPERATURE DRIFT
Offset Error
Gain Error
2
Gain Error
3
2.5
22
7.0
2.5
22
7.0
2.5
22
7.0
2.5
22
7.0
ppm/
°
C typ
ppm/
°
C typ
ppm/
°
C typ
POWER SUPPLY REJECTION
AVDD, DVDD, DRVDD (+5 V
±
0.25 V)
0.06
0.06
0.06
0.06
% FSR max
ANALOG INPUT
Input Span
V
REF
= 1.0 V
V
REF
= 2.5 V
Input (VINA or VINB) Range
1.6
4.0
+0.5
+AVDD
–
0.5
10.2
1.6
4.0
+0.5
+AVDD
–
0.5
10.2
1.6
4.0
+0.5
+AVDD
–
0.5
10.2
1.6
4.0
+0.5
+AVDD
–
0.5
10.2
V p-p Diff. max
V p-p Diff. max
V min
V max
pF typ
Input Capacitance
INTERNAL VOLTAGE REFERENCE
Output Voltage (1 V Mode)
Output Voltage Error (1 V Mode)
Output Voltage (2.5 V Mode)
Output Voltage Error (2.5 V Mode)
Load Regulation
4
1 V REF
2.5 V REF
1
±
14
2.5
±
35
1
±
14
2.5
±
35
1
±
14
2.5
±
35
1
±
14
2.5
±
35
V typ
mV max
V typ
mV max
0.5
2.0
0.5
2.0
0.5
2.0
0.5
2.0
mV max
mV max
REFERENCE INPUT RESISTANCE
8
8
8
8
k
(AVDD = +5 V, DVDD = +3 V, DRVDD = +3 V, f
CLOCK
= 20 MSPS, V
REF
= +2.5 V, Input CML = 2.0 V T
MIN
to T
MAX
unless otherwise noted, R
BIAS
= 2 k )
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