VDD = 3.0 V, V
參數(shù)資料
型號： AD9218BST-105
廠商： Analog Devices Inc
文件頁數(shù)： 22/28頁
文件大?。?/td> 0K
描述： IC ADC 10BIT DUAL 105MSPS 48LQFP
標(biāo)準包裝： 1
位數(shù)： 10
采樣率（每秒）： 105M
數(shù)據(jù)接口： 并聯(lián)
轉(zhuǎn)換器數(shù)目： 2
功率耗散（最大）： 565mW
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： 48-LQFP
供應(yīng)商設(shè)備封裝： 48-LQFP（7x7）
包裝： 托盤
輸入數(shù)目和類型： 2 個差分，單極
AD9218
Rev. C | Page 3 of 28
SPECIFICATIONS
DC SPECIFICATIONS
VDD = 3.0 V, VD = 3.0 V; external reference, unless otherwise noted.
Table 1.
AD9218BST-40/-65
AD9218BST-80/-105
Parameter
Temp
Test
Level
Min
Typ
Max
Min
Typ
Max
Unit
RESOLUTION
10
Bits
ACCURACY
No Missing Codes1
Full
VI
Guaranteed, not tested
Offset Error2
25°C
I
–18
2
18
–18
2
18
LSB
Gain Error2
25°C
I
–2
3
8
–2
3.5
8
% FS
Differential Nonlinearity
(DNL)
25°C
I
–1
±0.3/±0.6
1/1.3
–1
±0.5/±0.8
1.2/1.7
LSB
Full
VI
±0.8
±0.6/±0.9
LSB
Integral Nonlinearity
(INL)
25°C
I
–1/–1.6
±0.3/±1
1/1.6
–1.35/–2.7
±0.75/±2
+1.35/2.7
LSB
Full
VI
±1
±1/±2.3
LSB
TEMPERATURE DRIFT
Offset Error
Full
V
10
4
ppm/°C
Gain Error2
Full
V
80
100
ppm/°C
Reference
Full
V
40
ppm/°C
REFERENCE
Internal Reference Voltage
25°C
I
1.18
1.24
1.28
1.18
1.24
1.28
V
(REFOUT)
Input Resistance (REFINA,
REFINB)
Full
VI
9
11
13
9
11
13
kΩ
ANALOG INPUTS
Differential Input Voltage
Range (AIN, AIN)3
Full
V
1 or 2
1
V
Common-Mode Voltage3
Full
V
VD/3
V
Input Resistance
Full
VI
8
10
14
8
10
14
kΩ
Input Capacitance
25°C
V
3
pF
POWER SUPPLY
VD
Full
IV
2.7
3
3.6
2.7
3
3.6
V
VDD
Full
IV
2.7
3
3.6
2.7
3
3.6
V
Supply Currents
IVD (VD = 3.0 V)4
Full
VI
108/117
113/130
172/183
175/188
mA
IVDD (VDD = 3.0 V)4
25°C
V
7/11
13/17
mA
Power Dissipation DC5
Full
VI
325/350
340/390
515/550
525/565
mW
IVD Power-Down Current6
Full
VI
20
22
mA
Power Supply Rejection
Ratio
25°C
I
±1
mV/V
1 No missing codes across industrial temperature range guaranteed for 40 MSPS, 65 MSPS, and 80 MSPS grades. No missing codes at room temperature guaranteed for
105 MSPS grade.
2 Gain error and gain temperature coefficients are based on the ADC only (with a fixed 1.25 V external reference) 65 grade in 2 V p-p range, 40, 80, 105 grades in 1 V p-p range.
3 (AIN –AIN) = ±0.5 V in 1 V range (full scale), (AIN – AIN) = ±1 V in 2 V range (full scale). The analog inputs self-bias to VD/3. This common-mode voltage can be overdriven
externally by a low impedance source by ±300 mV (differential drive, gain = 1) or ±150 mV (differential drive, gain = 2).
4 AC power dissipation measured with rated encode and a 10.3 MHz analog input @ 0.5 dBFS, CLOAD = 5 pF.
5 DC power dissipation measured with rated encode and a dc analog input (outputs static, IVDD = 0).
6 In power-down state, IVDD = ±10 μA typical (all grades).
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