參數(shù)資料
型號(hào)： LTC2486
廠商： Linear Technology Corporation
英文描述： 16-Bit 2-/4-Channel ツヒ ADC with PGA and Easy Drive Input Current Cancellation
中文描述： 16位2-/4-ChannelツヒADC，帶PGA和簡(jiǎn)易輸入電流驅(qū)動(dòng)取消
文件頁(yè)數(shù)： 4/36頁(yè)
文件大小： 596K
代理商： LTC2486
LTC2486
4
2486f
DIGITAL INPUTS AND DIGITAL OUTPUTS
full operating temperature range, otherwise specifications are at T
A
= 25°C. (Note 3)
SYMBOL
PARAMETER
V
IH
High Level Input Voltage (
C
S, F
O
, SDI)
V
IL
Low Level Input Voltage (
C
S, F
O
, SDI)
V
IH
High Level Input Voltage (SCK)
V
IL
Low Level Input Voltage (SCK)
I
IN
Digital Input Current (
C
S, F
O
, SDI)
I
IN
Digital Input Current (SCK)
C
IN
Digital Input Capacitance (
C
S, F
O
, SDI)
C
IN
Digital Input Capacitance (SCK)
V
OH
High Level Output Voltage (SDO)
V
OL
Low Level Output Voltage (SDO)
V
OH
High Level Output Voltage (SCK)
V
OL
Low Level Output Voltage (SCK)
I
OZ
Hi-Z Output Leakage (SDO)
POWER REQUIREMENTS
range, otherwise specifications are at T
A
= 25°C. (Note 3)
SYMBOL
PARAMETER
CONDITIONS
V
CC
Supply Voltage
I
CC
Supply Current
Conversion Current (Note 12)
Temperature Measurement (Note 12)
Sleep Mode (Note 12)
The
●
denotes the specifications which apply over the
ANALOG INPUT AND REFERENCE
temperature range, otherwise specifications are at T
A
= 25°C. (Note 3)
SYMBOL
PARAMETER
IN
+
Absolute/Common Mode IN
+
Voltage
(IN
+
Corresponds to the Selected Positive Input Channel)
IN
–
Absolute/Common Mode IN
–
Voltage
(IN
–
Corresponds to the Selected Negative Input Channel)
V
IN
FS
Full Scale of the Differential Input (IN
+
– IN
–
)
LSB
Least Significant Bit of the Output Code
REF
+
Absolute/Common Mode REF
+
Voltage
REF
–
Absolute/Common Mode REF
–
Voltage
V
REF
C
S(IN+)
C
S(IN–)
C
S(VREF)
V
REF
Sampling Capacitance
I
DC_LEAK(IN+)
I
DC_LEAK(IN–)
I
DC_LEAK(REF+)
I
DC_LEAK(REF–)
t
OPEN
MUX Break-Before-Make
QIRR
MUX Off Isolation
The
●
denotes the specifications which apply over the full operating
CONDITIONS
MIN
TYP
MAX
UNITS
GND – 0.3V
V
CC
+ 0.3V
V
GND – 0.3V
V
CC
+ 0.3V
V
Input Differential Voltage Range (IN
+
– IN
–
)
●
–FS
+FS
V
V
●
0.5V
REF
/Gain
FS/2
16
0.1
GND
0.1
●
●
V
CC
V
V
V
●
REF
+
– 0.1V
V
CC
Reference Voltage Range (REF
+
– REF
–
)
IN
+
Sampling Capacitance
IN
–
Sampling Capacitance
●
11
11
11
1
1
1
1
50
120
pF
pF
pF
nA
nA
nA
nA
ns
dB
IN
+
DC Leakage Current
IN
–
DC Leakage Current
REF
+
DC Leakage Current
REF
–
DC Leakage Current
Sleep Mode, IN
+
= GND
Sleep Mode, IN
–
= GND
Sleep Mode, REF
+
= V
CC
Sleep Mode, REF
–
= GND
●
–10
–10
–100
–100
10
10
100
100
●
●
●
V
IN
= 2V
P-P
DC to 1.8MHz
CONDITIONS
2.7V ≤ V
CC
≤ 5.5V
2.7V ≤ V
CC
≤ 5.5V
2.7V ≤ V
CC
≤ 5.5V (Notes 10, 15)
2.7V ≤ V
CC
≤ 5.5V (Notes 10, 15)
0V ≤ V
IN
≤ V
CC
0V ≤ V
IN
≤ V
CC
(Notes 10, 15)
MIN
TYP
MAX
UNITS
●
V
CC
– 0.5
V
V
V
V
●
0.5
●
V
CC
– 0.5
●
0.5
10
10
●
–10
–10
μA
μA
pF
pF
V
V
V
V
μA
●
10
10
(Notes 10, 15)
I
O
= –800μA
I
O
= 1.6mA
I
O
= –800μA (Notes 10, 17)
I
O
= 1.6mA (Notes 10, 17)
●
V
CC
– 0.5
●
0.4
●
V
CC
– 0.5
●
0.4
10
●
–10
The
●
denotes the specifications which apply over the full operating temperature
MIN
2.7
TYP
MAX
5.5
275
300
2
UNITS
●
V
●
●
●
160
200
1
μA
μA
μA
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PDF描述
LTC2486CDE 16-Bit 2-/4-Channel ツヒ ADC with PGA and Easy Drive Input Current Cancellation
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LTC2487 16-Bit 2-/4-Channel ADC with PGA, Easy Drive and I2C Interface
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