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參數(shù)資料
| 型號： | AD5246BKS50-R2 |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 10/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC POT DGTL 50K 128POS SC70-6 |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 接片： | 128 |
| 電阻（歐姆）： | 50k |
| 電路數(shù)： | 1 |
| 溫度系數(shù)： | 標(biāo)準(zhǔn)值 45 ppm/°C |
| 存儲器類型： | 易失 |
| 接口： | I²C |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 6-TSSOP，SC-88，SOT-363 |
| 供應(yīng)商設(shè)備封裝： | SC-70-6 |
| 包裝： | 剪切帶 (CT) |
| 其它名稱： | AD5246BKS50-R2CT |
Data Sheet
AD5246
Rev. C | Page 3 of 16
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS—5 k VERSION
VDD = 5 V ± 10% or 3 V ± 10%; VA = +VDD; –40°C < TA < +125°C, unless otherwise noted.
Table 1.
Parameter
Symbol
Conditions
Min
Typ1
Max
Unit
DC CHARACTERISTICS—RHEOSTAT MODE
Resistor Differential Nonlinearity2
R-DNL
RWB
–1.5
±0.1
+1.5
LSB
Resistor Integral Nonlinearity2
R-INL
RWB
–4
±0.75
+4
LSB
Nominal Resistor Tolerance3
RAB
TA = 25°C
–30
+30
%
Resistance Temperature Coefficient
(RAB/RAB)/T
Wiper = no connect
45
ppm/°C
RWB
Code = 0x00, VDD = 5 V
75
150
Code = 0x00, VDD = 2.7 V
150
400
RESISTOR TERMINALS
Voltage Range4
VB, W
GND
VDD
V
Capacitance5 B
CB
f = 1 MHz, measured to GND, code = 0x40
45
pF
Capacitance5 W
CW
f = 1 MHz, measured to GND, code = 0x40
60
pF
Common-Mode Leakage
ICM
1
nA
DIGITAL INPUTS AND OUTPUTS
Input Logic High
VIH
VDD = 5 V
2.4
V
Input Logic Low
VIL
VDD = 5 V
0.8
V
Input Logic High
VIH
VDD = 3 V
2.1
V
Input Logic Low
VIL
VDD = 3 V
0.6
V
Input Current
IIL
VIN = 0 V or 5 V
±1
A
Input Capacitance5
CIL
5
pF
POWER SUPPLIES
Power Supply Range
VDD RANGE
2.7
5.5
V
Supply Current
IDD
VDD = 5.5 V; VIH = VDD or VIL = GND
3
7
A
VDD = 5 V; VIH = VDD or VIL = GND
2.5
5.2
A
VDD = 3.3 V; VIH = VDD or VIL = GND
0.9
2
A
Power Dissipation6
PDISS
VIH = 5 V or VIL = 0 V, VDD = 5 V
40
W
Power Supply Sensitivity
PSSR
VDD = +5 V ± 10%, code = midscale
±0.01
±0.025
%/%
DYNAMIC CHARACTERISTICS5, 7
Bandwidth –3 dB
BW_5K
RAB = 5 k, code = 0x40
1.2
MHz
Total Harmonic Distortion
THDW
VA = 1 V rms, VB = 0 V, f = 1 kHz
0.05
%
VW Settling Time
tS
VA = 5 V, ±1 LSB error band
1
s
Resistor Noise Voltage Density
eN_WB
RWB = 2.5 k, RS = 0
6
nV/√Hz
1
Typical specifications represent average readings at 25°C and VDD = 5 V.
2
Resistor position nonlinearity error R-INL is the deviation from an ideal value measured between the maximum resistance and the minimum resistance wiper
positions. R-DNL measures the relative step change from ideal between successive tap positions. Parts are guaranteed monotonic.
3
Code = 0x7F.
4
Resistor Terminal A and Resistor Terminal W have no limitations on polarity with respect to each other.
5
Guaranteed by design; not subject to production test.
6
PDISS is calculated from (IDD × VDD). CMOS logic level inputs result in minimum power dissipation.
7
VDD = 5 V.
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