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鍙冩暩(sh霉)璩囨枡
鍨嬭櫉锛� AD5241BRU1M-REEL7
寤犲晢锛� Analog Devices Inc
鏂囦欢闋佹暩(sh霉)锛� 14/20闋�
鏂囦欢澶у皬锛� 0K
鎻忚堪锛� IC DGTL POT 256POS 14-TSSOP
妯欐簴鍖呰锛� 1,000
鎺ョ墖锛� 256
闆婚樆锛堟瓙濮嗭級锛� 1M
闆昏矾鏁�(sh霉)锛� 1
婧害绯绘暩(sh霉)锛� 妯欐簴鍊� 30 ppm/°C
瀛樺劜鍣ㄩ鍨嬶細 鏄撳け
鎺ュ彛锛� I²C锛堣ō(sh猫)鍌欎綅鍧€锛�
闆绘簮闆诲锛� 2.7 V ~ 5.5 V锛�±2.3 V ~ 2.7 V
宸ヤ綔婧害锛� -40°C ~ 105°C
瀹夎椤炲瀷锛� 琛ㄩ潰璨艰
灏佽/澶栨锛� 14-TSSOP锛�0.173"锛�4.40mm 瀵級
渚涙噳(y墨ng)鍟嗚ō(sh猫)鍌欏皝瑁濓細 14-TSSOP
鍖呰锛� 甯跺嵎 (TR)
AD5241/AD5242
Rev. C | Page 3 of 20
SPECIFICATIONS
10 k惟, 100 k惟, 1 M惟 VERSION
VDD = 2.7 V to 5.5 V, VA = VDD, VB = 0 V, 40掳C < TA < +105掳C, unless otherwise noted.
Table 1.
Parameter
Symbol
Conditions
Min
Typ1
Unit
DC CHARACTERISTICS, RHEOSTAT MODE
(SPECIFICATIONS APPLY TO ALL VRs)
Resolution
N
8
Bits
Resistor Differential Nonlinearity2
R-DNL
RWB, VA = no connect
1
卤0.4
+1
LSB
Resistor Integral Nonlinearity2
R-INL
RWB, VA = no connect
2
卤0.5
+2
LSB
Nominal Resistor Tolerance
螖RAB/RAB
TA = 25掳C, RAB = 10 k惟
30
+30
%
TA = 25掳C,
RAB = 100 k惟/1 M惟
30
+50
%
Resistance Temperature Coefficient
(螖RAB/RAB)/
螖T 脳 106
VAB = VDD, wiper =
no connect
30
ppm/掳C
Wiper Resistance
RW
IW = VDD/R
60
120
DC CHARACTERISTICS, POTENTIOMETER DIVIDER
MODE (SPECIFICATIONS APPLY TO ALL VRs)
Resolution
N
8
Bits
Differential Nonlinearity3
DNL
1
卤0.4
+1
LSB
Integral Nonlinearity3
INL
2
卤0.5
+2
LSB
Voltage Divider Temperature Coefficient
(螖VW/VW)/T 脳 106
Code = 0x80
5
ppm/掳C
Full-Scale Error
VWFSE
Code = 0xFF
1
0.5
0
LSB
Zero-Scale Error
VWZSE
Code = 0x00
0
0.5
1
LSB
RESISTOR TERMINALS
Voltage Range4
VA, VB, VW
VSS
VDD
V
Capacitance (A, B)5
CA, CB
f = 1 MHz, measured
to GND, code = 0x80
45
pF
Capacitance (W)5
CW
f = 1 MHz, measured
to GND, code = 0x80
60
pF
Common-Mode Leakage
ICM
VA = VB = VW
1
nA
DIGITAL INPUTS
Input Logic High (SDA and SCL)
VIH
0.7 脳 VDD
VDD + 0.5 V
V
Input Logic Low (SDA and SCL)
VIL
0.5
+0.3 脳 VDD
V
Input Logic High (AD0 and AD1)
VIH
VDD = 5 V
2.4
VDD
V
Input Logic Low (AD0 and AD1)
VIL
VDD = 5 V
0
0.8
V
Input Logic High
VIH
VDD = 3 V
2.1
VDD
V
Input Logic Low
VIL
VDD = 3 V
0
0.6
V
Input Current
IIL
VIH = 5 V or VIL = GND
1
渭A
Input Capacitance5
CIL
3
pF
DIGITAL OUTPUT
VOL
IOL = 3 mA
0.4
V
Output Logic Low (SDA)
VOL
IOL = 6 mA
0.6
V
Output Logic Low (O1 and O2)
VOL
ISINK = 1.6 mA
0.4
V
Output Logic High (O1 and O2)
VOH
ISOURCE = 40 渭A
4
V
Three-State Leakage Current (SDA)
IOZ
VIH = 5 V or VIL = GND
卤1
渭A
Output Capacitance5
COZ
3
8
pF
POWER SUPPLIES
Power Single-Supply Range
VDD RANGE
VSS = 0 V
2.7
5.5
V
Power Dual-Supply Range
VDD/VSSRANGE
卤2.3
卤2.7
V
Positive Supply Current
IDD
VIH = 5 V or VIL = GND
0.1
50
渭A
Negative Supply Current
ISS
VSS = 2.5 V, VDD = +2.5 V
+0.1
50
渭A
Power Dissipation6
PDISS
VIH = 5 V or VIL = GND,
VDD = 5 V
0.5
250
渭W
Power Supply Sensitivity
PSS
0.01
+0.002
+0.01
%/%
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