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LTC2248 数据表(PDF) 4 Page - Linear Technology

部件名 LTC2248
功能描述  14-Bit, 65/40/25Msps Low Power 3V ADCs
PDF  24 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC2248 数据表(HTML) 4 Page - Linear Technology

  LTC2248 Datasheet HTML 1Page - Linear Technology LTC2248 Datasheet HTML 2Page - Linear Technology LTC2248 Datasheet HTML 3Page - Linear Technology LTC2248 Datasheet HTML 4Page - Linear Technology LTC2248 Datasheet HTML 5Page - Linear Technology LTC2248 Datasheet HTML 6Page - Linear Technology LTC2248 Datasheet HTML 7Page - Linear Technology LTC2248 Datasheet HTML 8Page - Linear Technology LTC2248 Datasheet HTML 9Page - Linear Technology Next Button
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LTC2248/LTC2247/LTC2246
4
224876fa
DIGITAL I PUTS A D DIGITAL OUTPUTS The ● denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4)
I TER AL REFERE CE CHARACTERISTICS (Note 4)
POWER REQUIRE E TS The ● denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at TA = 25°C. (Note 8)
LTC2248
LTC2247
LTC2246
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
VDD
Analog Supply
(Note 9)
●
2.7
3
3.4
2.7
3
3.4
2.7
3
3.4
V
Voltage
OVDD
Output Supply
(Note 9)
●
0.5
3
3.6
0.5
3
3.6
0.5
3
3.6
V
Voltage
IVDD
Supply Current
●
68.3
80
40
48
25
30
mA
PDISS
Power Dissipation
●
205
240
120
144
75
90
mW
PSHDN
Shutdown Power
SHDN = H,
2
2
2
mW
OE = H, No CLK
PNAP
Nap Mode Power
SHDN = H,
15
15
15
mW
OE = L, No CLK
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCM Output Voltage
IOUT = 0
1.475
1.500
1.525
V
VCM Output Tempco
±25
ppm/
°C
VCM Line Regulation
2.7V < VDD < 3.4V
3
mV/V
VCM Output Resistance
–1mA < IOUT < 1mA
4
Ω
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
LOGIC INPUTS (CLK, OE, SHDN)
VIH
High Level Input Voltage
VDD = 3V
●
2V
VIL
Low Level Input Voltage
VDD = 3V
●
0.8
V
IIN
Input Current
VIN = 0V to VDD
●
–10
10
µA
CIN
Input Capacitance
(Note 7)
3
pF
LOGIC OUTPUTS
OVDD = 3V
COZ
Hi-Z Output Capacitance
OE = High (Note 7)
3
pF
ISOURCE
Output Source Current
VOUT = 0V
50
mA
ISINK
Output Sink Current
VOUT = 3V
50
mA
VOH
High Level Output Voltage
IO = –10µA
2.995
V
IO = –200µA
●
2.7
2.99
V
VOL
Low Level Output Voltage
IO = 10µA
0.005
V
IO = 1.6mA
●
0.09
0.4
V
OVDD = 2.5V
VOH
High Level Output Voltage
IO = –200µA
2.49
V
VOL
Low Level Output Voltage
IO = 1.6mA
0.09
V
OVDD = 1.8V
VOH
High Level Output Voltage
IO = –200µA
1.79
V
VOL
Low Level Output Voltage
IO = 1.6mA
0.09
V



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