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LTC1853 数据表(PDF) 4 Page - Linear Technology

部件名 LTC1853
功能描述  8-Channel, 10-Bit/12-Bit, 400ksps, Low Power, Sampling 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

LTC1853 数据表(HTML) 4 Page - Linear Technology

  LTC1853_15 Datasheet HTML 1Page - Linear Technology LTC1853_15 Datasheet HTML 2Page - Linear Technology LTC1853_15 Datasheet HTML 3Page - Linear Technology LTC1853_15 Datasheet HTML 4Page - Linear Technology LTC1853_15 Datasheet HTML 5Page - Linear Technology LTC1853_15 Datasheet HTML 6Page - Linear Technology LTC1853_15 Datasheet HTML 7Page - Linear Technology LTC1853_15 Datasheet HTML 8Page - Linear Technology LTC1853_15 Datasheet HTML 9Page - Linear Technology Next Button
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LTC1852/LTC1853
4
18523fa
INTERNAL REFERENCE T
A = 25°C. (Notes 5, 6)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
REFOUT Output Voltage
IOUT = 0
2.48
2.50
2.52
V
REFOUT Output Temperature Coefficient
IOUT = 0
±15
ppm/°C
REFOUT Line Regulation
2.7 ≤ VDD ≤ 5.5, IOUT = 0
0.01
LSB/V
Reference Buffer Gain
1.6368
1.6384
1.6400
V/V
REFCOMP Output Voltage
External 2.5V Reference (VDD = 5V)
Internal 2.5V Reference (VDD = 5V)
4.092
4.060
4.096
4.096
4.100
4.132
V
V
REFCOMP Impedance
Impedance to GND, REFIN = VDD
19.2
kΩ
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIH
High Level Input Voltage
VDD = 5.25V
● 2.4
V
VIL
Low Level Input Voltage
VDD = 4.75V
●
0.8
V
IIN
Digital Input Current
VIN = 0V to VDD
●
±5
μA
CIN
Digital Input Capacitance
1.5
pF
VOH
High Level Output Voltage
VDD = 4.75V, IO = –10μA
VDD = 4.75V, IO = – 200μA
●
4
4.5
V
V
VOL
Low Level Output Voltage
VDD = 4.75V, IO = 160μA
VDD = 4.75V, IO = 1.6mA
●
0.5
0.10
0.4
V
V
IOZ
Hi-Z Output Leakage D11 to D0, A0, A1, A2OUT, DIFFOUT VOUT = 0V to VDD, CS High
●
±10
μA
COZ
Hi-Z Capacitance D11 to D0
CS High (Note 9)
●
15
pF
ISOURCE
Output Source Current
VOUT = 0V
–20
mA
ISINK
Output Sink Current
VOUT = VDD
30
mA
DIGITAL INPUTS AND DIGITAL OUTPUTS The ● denotes the specifications which apply over the full
operating temperature range, otherwise specifications are at TA = 25°C. VDD = 5V (Note 5)
DIGITAL INPUTS AND DIGITAL OUTPUTS The ● denotes the specifications which apply over the full
operating temperature range, otherwise specifications are at TA = 25°C. VDD = 5V (Note 5)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIH
High Level Input Voltage
VDD = 3.3V
●
1.9
V
VIL
Low Level Input Voltage
VDD = 2.7V
●
0.45
V
IIN
Digital Input Current
VIN = 0V to VDD
●
±5
μA
CIN
Digital Input Capacitance
1.5
pF
VOH
High Level Output Voltage
VDD = 2.7V, IO = –10μA
VDD = 2.7V, IO = – 200μA
●
2
2.5
V
V
VOL
Low Level Output Voltage
VDD = 2.7V, IO = 160μA
VDD = 2.7V, IO = 1.6mA
●
0.05
0.10
0.4
V
V
IOZ
Hi-Z Output Leakage D11 to D0, A0, A1, A2OUT, DIFFOUT VOUT = 0V to VDD, CS High
●
±10
μA
COZ
Hi-Z Capacitance D11 to D0
CS High (Note 9)
●
15
pF
ISOURCE
Output Source Current
VOUT = 0V
–10
mA
ISINK
Output Sink Current
VOUT = VDD
15
mA



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