AVDD = 3.3 V, DRVDD = 3.3 V; TMIN = 40°C" />
參數(shù)資料
型號(hào): AD9481-PCBZ
廠商: Analog Devices Inc
文件頁(yè)數(shù): 22/28頁(yè)
文件大?。?/td> 0K
描述: BOARD EVAL 8BIT 250MSPS 44-TQFP
標(biāo)準(zhǔn)包裝: 1
ADC 的數(shù)量: 1
位數(shù): 8
采樣率(每秒): 250M
數(shù)據(jù)接口: 并聯(lián)
輸入范圍: 1 Vpp
在以下條件下的電源(標(biāo)準(zhǔn)): 439mW @ 250MSPS
工作溫度: -40°C ~ 85°C
已用 IC / 零件: AD9481
已供物品:
相關(guān)產(chǎn)品: AD9481BSUZ-250-ND - IC ADC 8BIT 250MSPS 3.3V 44-TQFP
AD9481
Rev. 0 | Page 3 of 28
DC SPECIFICATIONS
AVDD = 3.3 V, DRVDD = 3.3 V; TMIN = 40°C, TMAX = +85°C, AIN = 1 dBFS, full scale = 1.0 V, internal reference, differential analog and
clock inputs, unless otherwise noted.
Table 1.
AD9481-250
Parameter
Temp
Test Level
Min
Typ
Max
Unit
RESOLUTION
8
Bits
ACCURACY
No Missing Codes
Full
VI
Guaranteed
Offset Error
25°C
I
40
mV
Gain Error1
25°C
I
6.0
% FS
Differential Nonlinearity (DNL)
Full
VI
0.85
±0.35
0.85
LSB
Integral Nonlinearity (INL)
Full
VI
0.9
±0.26
0.9
LSB
TEMPERATURE DRIFT
Offset Error
Full
V
30
V/°C
Gain Error
Full
V
0.03
% FS/°C
Reference
Full
V
±0.025
mV/°C
REFERENCE
Internal Reference Voltage
Full
VI
0.97
1.0
1.03
V
Output Current2
25°C
IV
1.5
mA
IVREF Input Current3
25°C
I
100
A
ISENSE Input Current2
25°C
I
10
A
ANALOG INPUTS (VIN+, VIN)
Differential Input Voltage Range4
Full
V
1
V p-p
Common-Mode Voltage
Full
VI
1.6
1.9
2.1
V
Input Resistance
Full
VI
8.4
10
11.2
k
Input Capacitance
25°C
V
4
pF
Analog Bandwidth, Full Power
25°C
V
750
MHz
POWER SUPPLY
AVDD
Full
IV
3.0
3.3
3.6
V
DRVDD
Full
IV
3.0
3.3
3.6
V
Supply Currents
IAVDD5
Full
VI
133
145
mA
Full
VI
39
42.5
mA
Power Dissipation5
25°C
V
439
mW
Power-Down Dissipation
25°C
V
15
37
mW
Power Supply Rejection Ratio (PSRR)
25°C
V
4.2
mV/V
1 Gain error and gain temperature coefficients are based on the ADC only (with a fixed 1 V external reference and 1 V p-p input range).
2 Internal reference mode; SENSE = AGND.
3 External reference mode; VREF driven by external 1.0 V reference; SENSE = AVDD.
4 In FS = 1 V, both analog inputs are 500 mV p-p and out of phase with each other.
5 Supply current measured with rated encode and a 20 MHz analog input. Power dissipation measured with dc input, see the T
section for power vs. clock
rate.
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