参数资料
型号: AD9244BSTZ-40
厂商: Analog Devices Inc
文件页数: 23/36页
文件大小: 0K
描述: IC ADC 14BIT 40MSPS 48-LQFP
标准包装: 1
位数: 14
采样率(每秒): 40M
数据接口: 并联
转换器数目: 1
功率耗散(最大): 300mW
电压电源: 模拟和数字
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 48-LQFP
供应商设备封装: 48-LQFP(7x7)
包装: 托盘
输入数目和类型: 2 个单端,单极;1 个差分,单极
AD9244
Rev. C | Page 3 of 36
SPECIFICATIONS
DC SPECIFICATIONS
AVDD = 5 V, DRVDD = 3 V, fSAMPLE = 65 MSPS (–65) or 40 MSPS (–40), differential clock inputs, VREF = 2 V, external reference,
differential analog inputs, unless otherwise noted.
Table 1.
Test
AD9244BST-65
AD9244BST-40
Parameter
Temp
Level
Min
Typ
Max
Min
Typ
Max
Unit
RESOLUTION
Full
VI
14
Bits
DC ACCURACY
No Missing Codes
Full
VI
Guaranteed
Bits
Offset Error
Full
VI
±0.3
±1.4
±0.3
±1.4
% FSR
Gain Error1
Full
VI
±0.6
±2.0
±0.6
±2.0
% FSR
Differential Nonlinearity (DNL)2
Full
VI
±1.0
LSB
25°C
V
±0.7
±0.6
LSB
Integral Nonlinearity (INL)2
Full
V
±1.4
±1.3
LSB
Full
VI
4
+4
4
+4
LSB
TEMPERATURE DRIFT
Offset Error
Full
V
±2.0
ppm/°C
Gain Error (EXT VREF)1
Full
V
±2.3
ppm/°C
Gain Error (INT VREF)3
Full
V
±25
ppm/°C
INTERNAL VOLTAGE REFERENCE
Output Voltage Error (2 VREF)
Full
VI
±29
mV
Load Regulation @ 1 mA
Full
V
0.5
mV
Output Voltage Error (1 VREF)
Full
IV
±15
mV
Load Regulation @ 0.5 mA
Full
V
0.25
mV
Input Resistance
Full
V
5
INPUT REFERRED NOISE
VREF = 2 V
25°C
V
0.8
LSB rms
VREF = 1 V
25°C
V
1.5
LSB rms
ANALOG INPUT
Input Voltage Range (Differential)
VREF = 2 V
Full
V
2
V p-p
VREF = 1 V
Full
V
1
V p-p
Common-Mode Voltage
Full
V
0.5
4
0.5
4
V
Input Capacitance4
25°C
V
10
pF
Input Bias Current5
25°C
V
500
μA
Analog Bandwidth (Full Power)
25°C
V
750
MHz
POWER SUPPLIES
Supply Voltages
AVDD
Full
IV
4.75
5
5.25
4.75
5
5.25
V
DRVDD
Full
IV
2.7
5.25
2.7
5.25
V
Supply Current
IAVDD
Full
V
109
64
mA
IDRVDD
Full
V
12
8
mA
PSRR
Full
V
±0.05
% FSR
POWER CONSUMPTION
DC Input6
Full
V
550
300
mW
Sine Wave Input
Full
VI
590
640
345
370
mW
1 Gain error is based on the ADC only (with a fixed 2.0 V external reference).
2 Measured at maximum clock rate, fIN = 2.4 MHz, full-scale sine wave, with approximately 5 pF loading on each output bit.
3 Includes internal voltage reference error.
4 Input capacitance refers to the effective capacitance between one differential input pin and AGND. Refer to Figure 7 for the equivalent analog input structure.
5 Input bias current is due to the input looking like a resistor that is dependent on the clock rate.
6 Measured with dc input at maximum clock rate.
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