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參數(shù)資料
| 型號(hào)： | EVAL-ADN2850SDZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 22/28頁 |
| 文件大小： | 0K |
| 描述： | BOARD EVAL FOR ADN2850SDZ |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 主要目的： | 數(shù)字電位器 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | ADN2850 |
| 主要屬性： | 2 溝道，1024 位置 |
| 次要屬性： | SPI 接口 |
| 已供物品： | 板 |
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Data Sheet
ADN2850
Rev. E | Page 3 of 28
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS—25 k, 250 k VERSIONS
VDD = 2.7 V to 5.5 V, VSS = 0 V; VDD = 2.5 V, VSS = 2.5 V, VA = VDD, VB = VSS, 40°C < TA < +85°C, unless otherwise noted. These
specifications apply to versions with a date code 1209 or later.
Table 1.
Parameter
Symbol
Conditions
Min
Typ 1
Max
Unit
DC CHARACTERISTICS—RHEOSTAT
MODE (All RDACs)
Resolution
N
10
Resistor Differential Nonlinearity2
R-DNL
RWB
1
+1
LSB
Resistor Integral Nonlinearity2
R-INL
RWB
2
+2
LSB
Nominal Resistor Tolerance
RWB/RWB
Code = full scale
8
+8
%
Resistance Temperature Coefficient3
(RWB/RWB)/
T × 106
Code = full scale
35
ppm/°C
Wiper Resistance
RW
Code = half scale
VDD = 5 V
30
60
VDD = 3 V
50
Nominal Resistance Match3
RWB1/RWB2
Code = full scale
±0.1
%
RESISTOR TERMINALS
Terminal Voltage Range3
VB, VW
VSS
VDD
V
Capacitance Bx3
CB
f = 1 MHz, measured to GND,
code = half-scale
11
pF
Capacitance Wx3
CW
f = 1 MHz, measured to GND,
code = half-scale
80
pF
Common-Mode Leakage Current3, 4
ICM
VW = VDD/2
0.01
±1
A
DIGITAL INPUTS AND OUTPUTS
Input Logic 3
High
VIH
VDD = 5 V
2.4
V
VDD = 2.7 V
2.1
V
VDD = +2.5 V, VSS = 2.5 V
2.0
V
Low
VIL
VDD = 5 V
0.8
V
VDD = 2.7 V
0.6
V
VDD = +2.5 V, VSS = 2.5 V
0.5
V
Output Logic High (SDO, RDY)
VOH
4.9
V
Output Logic Low
VOL
0.4
V
Input Current
IIL
VIN = 0 V or VDD
±1
A
Input Capacitance3
CIL
5
pF
POWER SUPPLIES
Single-Supply Power Range
VDD
VSS = 0 V
2.7
5.5
V
Dual-Supply Power Range
VDD/VSS
±2.25
±2.75
V
Positive Supply Current
IDD
VIH = VDD or VIL = GND
2
5
A
Negative Supply Current
ISS
VDD = +2.5 V, VSS = 2.5 V
VIH = VDD or VIL = GND
4
2
A
EEMEM Store Mode Current
IDD (store)
VIH = VDD or VIL = GND,
VSS = GND, ISS ≈ 0
2
mA
ISS (store)
VDD = +2.5 V, VSS = 2.5 V
2
mA
EEMEM Restore Mode Current5
IDD (restore)
VIH = VDD or VIL = GND,
VSS = GND, ISS ≈ 0
320
A
ISS (restore)
VDD = +2.5 V, VSS = 2.5 V
320
A
Power Dissipation6
PDISS
VIH = VDD or VIL = GND
10
30
W
Power Supply Sensitivity3
PSS
VDD = 5 V ± 10%
0.006
0.01
%/%
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