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| 型號(hào)： | AD9480BSUZ-250 |
| 廠商： | Analog Devices Inc |
| 文件頁(yè)數(shù)： | 22/28頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC 8BIT 250MSPS 3.3V 44TQFP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 位數(shù)： | 8 |
| 采樣率（每秒）： | 250M |
| 數(shù)據(jù)接口： | 并聯(lián) |
| 轉(zhuǎn)換器數(shù)目： | 1 |
| 功率耗散（最大）： | 590mW |
| 電壓電源： | 單電源 |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 44-TQFP |
| 供應(yīng)商設(shè)備封裝： | 44-TQFP（10x10） |
| 包裝： | 托盤 |
| 輸入數(shù)目和類型： | 2 個(gè)單端，單極；2 個(gè)差分，單極 |
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AD9480
Rev. A | 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.
AD9480-250
Parameter
Temp
Test Level
Min
Typ
Max
Unit
RESOLUTION
8
Bits
ACCURACY
No Missing Codes
Full
VI
Guaranteed
Offset Error
25°C
I
40
+40
mV
Gain Error1
25°C
I
6.0
+6.0
% FS
Differential Nonlinearity (DNL)
AD9480BSUZ-250
Full
VI
0.5
±0.28
+0.5
LSB
AD9480ASUZ-250
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
25°C
I
100
A
25°C
I
10
A
ANALOG INPUTS (VIN+, VIN)
Differential Input Voltage Range (FS = 1) 4
Full
V
1
V p-p
Common-Mode Voltage
Full
VI
1.7
1.9
2.1
V
Input Resistance
25°C
I
8.6
10
10.7
k
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
Power Dissipation5
25°C
V
590
mW
Power-Down Dissipation
25°C
V
15
mW
IAVDD5
Full
VI
145
156
mA
Full
VI
34
38
mA
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 a 1 V p-p differential analog input).
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 Power dissipation and current measured with rated encode and a dc analog input (outputs static). See
for active operation.
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