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參數(shù)資料
| 型號： | AD9248BST-20 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | ADC |
| 英文描述： | 14-Bit, 20/40/65 MSPS Dual A/ D Converter |
| 中文描述： | DUAL 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP64 |
| 封裝： | MS-026BBD, LQFP-64 |
| 文件頁數(shù)： | 3/23頁 |
| 文件大?。?/td> | 419K |
| 代理商： | AD9248BST-20 |
Preliminary Technical Data
AD9248
AD9248–SPECIFICATIONS
DC SPECIFICATIONS
Table 1. (AVDD = 3 V DRVDD = 2.5 V, Maximum Sample Rate, CLK_A = CLK_B; AIN = -0.5 dBFS Differential Input, 1.0 V
Internal Reference, TMIN to TMAX, unless otherwise noted.)
Test
AD9248BST/BCP-
20
Parameter
Temp
Level
Min
Typ
RESOLUTION
Full
VI
14
ACCURACY
No Missing Codes
Guaranteed
Offset Error
Full
VI
±0.5
Gain Error
1
Full
IV
±0.7
Differential Nonlinearity
(DNL)
25°C
I
±0.5
Integral Nonlinearity (INL)
2
Full
V
±1.4
25°C
I
±1.4
TEMPERATURE DRIFT
Offset Error
Full
V
±10
Gain Error
1
Full
V
±12
INTERNAL VOLTAGE
REFERENCE
Output Voltage Error (1 V
Mode)
Load Regulation @ 1.0 mA
Full
V
0.8
Output Voltage Error (0.5 V
Mode)
Load Regulation @ 0.5 mA
Full
V
0.1
INPUT REFERRED NOISE
Input Span = 1 V
25°C
V
1.8
Rev. PrE | Page 3 of 23
AD9248BST/BCP-
40
Min
Typ
14
14
AD9248BST/BCP-
65
Min
Typ
14
14
Max
Max
Max
Unit
Bits
Bits
Full
VI
14
±0.5
±0.7
±0.5
±0.5
±0.7
±0.5
% FSR
% FSR
LSB
Full
V
±0.5
±1.4
±0.5
±1.4
±1.4
±10
±12
±0.5
±1.4
±1.4
±10
±12
LSB
LSB
LSB
ppm/°C
ppm/°C
Full
VI
±5
±35
±5
±35
±5
±35
mV
0.8
±2.5
0.8
±2.5
mV
mV
Full
V
±2.5
0.1
1.8
0.1
1.8
mV
LSB
rms
LSB
rms
V p-p
V p-p
pF
k
Input Span = 2.0 V
25°C
V
1.2
1.2
1.2
ANALOG INPUT
Input Span = 1.0 V
Input Span = 2.0 V
Input Capacitance
3
REFERENCE INPUT
RESISTANCE
POWER SUPPLIES
Supply Voltages
AVDD
DRVDD
Supply Current
IAVDD
2
IDRVDD
2
PSRR
POWER CONSUMPTION
DC Input
4
Sine Wave Input
2
Standby Power
5
MATCHING
Full
Full
Full
Full
IV
IV
V
V
1
2
7
7
1
2
7
7
1
2
7
7
Full
Full
Full
Full
Full
Full
Full
Full
IV
IV
V
V
V
V
VI
V
2.7
2.25
3.0
3.0
60
4
±0.01
180
190
2.0
3.6
3.6
212
2.7
2.25
3.0
3.0
110
10
±0.01
330
360
2.0
3.6
3.6
397
2.7
2.25
3.0
3.0
200
14
±0.01
600
640
2.0
3.6
3.6
698
V
V
mA
mA
% FSR
mW
mW
mW
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