參數(shù)資料
型號: AD9251BCPZRL7-65
廠商: Analog Devices Inc
文件頁數(shù): 31/36頁
文件大?。?/td> 0K
描述: IC ADC 14BIT 65MSPS 64LFCSP
標(biāo)準(zhǔn)包裝: 750
位數(shù): 14
采樣率(每秒): 65M
數(shù)據(jù)接口: 串行,SPI?
轉(zhuǎn)換器數(shù)目: 2
功率耗散(最大): 146.5mW
電壓電源: 模擬和數(shù)字
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-VFQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 64-LFCSP-VQ(9x9)
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 4 個單端,單極;2 個差分,單極
AD9251
Rev. A | Page 4 of 36
SPECIFICATIONS
DC SPECIFICATIONS
AVDD = 1.8 V; DRVDD = 1.8 V, maximum sample rate, 2 V p-p differential input, 1.0 V internal reference; AIN = 1.0 dBFS,
DCS disabled, unless otherwise noted.
Table 1.
Parameter
Temp
AD9251-20/AD9251-40
AD9251-65
AD9251-80
Unit
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
RESOLUTION
Full
14
Bits
ACCURACY
No Missing Codes
Full
Guaranteed
Offset Error
Full
±0.1
±0.70
±0.1
±0.50
±0.1
±0.70
% FSR
Gain Error1
Full
1.5
% FSR
Differential Nonlinearity (DNL)2
Full
±0.60
±0.75
±0.70
LSB
25°C
±0.3
±0.45
LSB
Integral Nonlinearity (INL)2
Full
±1.75
±2.50
LSB
25°C
±0.6
±1.0
LSB
MATCHING CHARACTERISTICS
Offset Error
25°C
±0.0
±0.65
±0.0
±0.65
±0.0
±0.65
% FSR
Gain Error1
25°C
±0.2
% FSR
TEMPERATURE DRIFT
Offset Error
Full
±2
ppm/°C
INTERNAL VOLTAGE REFERENCE
Output Voltage (1 V Mode)
Full
0.981
0.993
1.005
0.981
0.993
1.005
0.981
0.993
1.005
V
Load Regulation Error at 1.0 mA
Full
2
mV
INPUT-REFERRED NOISE
VREF = 1.0 V
25°C
0.98
LSB rms
ANALOG INPUT
Input Span, VREF = 1.0 V
Full
2
V p-p
Input Capacitance3
Full
6
pF
Input Common-Mode Voltage
Full
0.9
V
Input Common-Mode Range
Full
0.5
1.3
0.5
1.3
0.5
1.3
V
REFERENCE INPUT RESISTANCE
Full
7.5
POWER SUPPLIES
Supply Voltage
AVDD
Full
1.7
1.8
1.9
1.7
1.8
1.9
1.7
1.8
1.9
V
DRVDD
Full
1.7
3.6
1.7
3.6
1.7
3.6
V
Supply Current
Full
36.5/49.5
39.4/52.8
69.0
72.9
80.5
85.5
mA
IDRVDD2 (1.8 V)
Full
3.4/5.6
8.4
10.3
mA
IDRVDD2 (3.3 V)
Full
6.3/10.6
16.0
19.5
mA
POWER CONSUMPTION
DC Input
Full
66/89
125
145
mW
Sine Wave Input2 (DRVDD = 1.8 V)
Full
71.8/99
77.0/105.5
139.0
146.5
163.4
173
mW
Sine Wave Input2 (DRVDD = 3.3 V)
Full
86.5/124
176.7
209
mW
Standby Power4
Full
37
mW
Power-Down Power
Full
2.2
mW
1 Measured with 1.0 V external reference.
2 Measured with a 10 MHz input frequency at rated sample rate, full-scale sine wave, with approximately 5 pF loading on each output bit.
3 Input capacitance refers to the effective capacitance between one differential input pin and AGND.
4 Standby power is measured with a dc input and the CLK active.
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