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AD9218-105PCB View Datasheet(PDF) - Analog Devices

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AD9218-105PCB Datasheet PDF : 29 Pages
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AD9218
SPECIFICATIONS
DC SPECIFICATIONS
VDD = 3.0 V, VD = 3.0 V; external reference, unless otherwise noted.
Table 1.
Parameter
RESOLUTION
ACCURACY
No Missing Codes1
Offset Error2
Gain Error2
Differential Nonlinearity
(DNL)
Integral Nonlinearity
(INL)
TEMPERATURE DRIFT
Offset Error
Gain Error2
Reference
REFERENCE
Internal Reference Voltage
(REFOUT)
Input Resistance (REFINA,
REFINB)
ANALOG INPUTS
Differential Input Voltage
Range (AIN, AIN)3
Common-Mode Voltage3
Input Resistance
Input Capacitance
POWER SUPPLY
VD
VDD
Supply Currents
IVD (VD = 3.0 V)4
IVDD (VDD = 3.0 V)4
Power Dissipation DC5
IVD Power-Down Current6
Power Supply Rejection
Ratio
Temp
Full
25°C
25°C
25°C
Full
25°C
Full
Full
Full
Full
25°C
Full
Full
Full
Full
25°C
Full
Full
Full
25°C
Full
Full
25°C
Test
Level Min
AD9218BST-40/-65
Typ
Max
10
VI
Guaranteed, not tested
I
–18
2
18
I
–2
3
8
I
–1
±0.3/±0.6 1/1.3
VI
±0.8
I
–1/–1.6 ±0.3/±1 1/1.6
VI
±1
V
10
V
80
V
40
I
1.18
1.24
1.28
VI
9
11
13
V
V
VI
8
V
IV
2.7
IV
2.7
VI
V
VI
VI
I
1 or 2
VD/3
10
3
3
3
108/117
7/11
325/350
20
±1
14
3.6
3.6
113/130
340/390
AD9218BST-80/-105
Min
Typ
Max
Unit
10
Bits
Guaranteed, not tested
–18
2
18
–2
3.5
8
–1
±0.5/±0.8 1.2/1.7
LSB
% FS
LSB
±0.6/±0.9
–1.35/–2.7 ±0.75/±2
LSB
+1.35/2.7 LSB
±1/±2.3
LSB
4
ppm/°C
100
ppm/°C
40
ppm/°C
1.18
1.24
1.28
V
9
11
13
1
V
VD/3
V
8
10
14
3
pF
2.7
3
2.7
3
3.6
V
3.6
V
172/183
13/17
515/550
22
±1
175/188
525/565
mA
mA
mW
mA
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).
Rev. C | Page 3 of 28
 

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