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| 型號： | LTC2151CUP-14#TRPBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | ADC |
| 英文描述： | 1-CH 14-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQCC40 |
| 封裝： | 6 X 6 MM, LEAD FREE, PLASTIC, QFN-40 |
| 文件頁數(shù)： | 27/32頁 |
| 文件大?。?/td> | 4005K |
| 代理商： | LTC2151CUP-14#TRPBF |
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LTC2152-14/
LTC2151-14/LTC2150-14
4
21521014p
INTERNAL REFERENCE CHARACTERISTICS The
l
denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCM Output Voltage
IOUT = 0
0.444
VDD – 15mV
0.444
VDD
0.444
VDD + 15mV
V
VCM Output Temperature Drift
±37
ppm/°C
VCM Output Resistance
–1mA < IOUT < 1mA
4
Ω
VREF Output Voltage
IOUT = 0
1.225
1.250
1.275
V
VREF Output Temperature Drift
±30
ppm/°C
VREF Output Resistance
–400A < IOUT < 1mA
7
Ω
VREF Line Regulation
1.7V < VDD < 1.9V
0.6
mV/V
DIGITAL INPUTS AND OUTPUTS The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 5)
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ENCODE INPUTS (ENC+, ENC–)
VID
Differential Input Voltage
(Note 8)
l
0.2
1
1.9
V
VICM
Common Mode Input Voltage
Internally Set
Externally Set (Note 8)
l
1.1
1.2
1.5
V
VIN
Input Voltage Range
ENC+, ENC– to GND
l
0.2
1.9
V
RIN
Input Resistance
(See Figure 2)
10
kΩ
CIN
Input Capacitance
(Note 8)
2
pF
DIGITAL INPUTS (CS, SDI, SCK)
VIH
High Level Input Voltage
VDD = 1.8V
l
1.3
V
VIL
Low Level Input Voltage
VDD = 1.8V
l
0.6
V
IIN
Input Current
VIN = 0V to 1.8V
l
–10
10
A
CIN
Input Capacitance
(Note 8)
3
pF
SDO OUTPUT (Open-Drain Output. Requires 2k Pull-Up Resistor if SDO Is Used)
ROL
Logic Low Output Resistance to GND
VDD = 1.8V, SDO = 0V
200
Ω
IOH
Logic High Output Leakage Current
SDO = 0V to 3.6V
l
–10
10
A
COUT
Output Capacitance
(Note 8)
4
pF
POWER REQUIREMENTS The
l
denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at TA = 25°C. (Note 5)
SYMBOL PARAMETER
CONDITIONS
LTC2152-14
LTC2151-14
LTC2150-14
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
VDD
Analog Supply Voltage
(Note 9)
l
1.7
1.8
1.9
1.7
1.8
1.9
1.7
1.8
1.9
V
OVDD
Output Supply Voltage
LVDS Mode (Note 9)
l
1.7
1.8
1.9
1.7
1.8
1.9
1.7
1.8
1.9
V
IVDD
Analog Supply Current
l
160
149
135
mA
IOVDD
Digital Supply Current
1.75mA LVDS Mode
3.5mA LVDS Mode
l
28
47
27
45
26
44
mA
PDISS
Power Dissipation
1.75mA LVDS Mode
3.5mA LVDS Mode
l
338
372
316
249
290
322
mW
PSLEEP
Nap Mode Power
Clocked at fS(MAX)
113.5
106.2
97.2
mW
PNAP
Sleep Mode Power
Clocked at fS(MAX)
<2
mW
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