LTC1865L View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC1865L' PDF : 16 Pages View PDF
LTC1864L/LTC1865L
CO VERTER A D ULTIPLEXER CHARACTERISTICS
The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C.
VCC = 2.7V, VREF = 2.5V, fSCK = fSCK(MAX) as defined in Recommended Operating Conditions, unless otherwise noted.
PARAMETER
CONDITIONS
Offset Error
●
Input Differential Voltage
VIN = IN+ – IN–
●
Range
Absolute Input Range
IN+ Input
IN– Input
VREF Input Range
LTC1864L SO-8 and MSOP, LTC1865L MSOP
Analog Input Leakage Current (Note 4)
●
CIN Input Capacitance
In Sample Mode
During Conversion
LTC1864L/LTC1865L
MIN TYP MAX
±2 ±5
0
VREF
– 0.05
– 0.05
1
VCC + 0.05
VCC/2
VCC
±1
12
5
LTC1864LA/LTC1865LA
MIN TYP MAX
±2 ±5
0
VREF
– 0.05
– 0.05
1
VCC + 0.05
VCC/2
VCC
±1
12
5
UNITS
mV
V
V
V
V
µA
pF
pF
DY A IC ACCURACY
TA = 25°C. VCC = 3V, VREF = 3V, fSAMPLE = 150kHz, unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
SNR
Signal-to-Noise Ratio
S/(N + D) Signal-to-Noise Plus Distortion Ratio
1kHz Input Signal
THD
Total Hamonic Distortion Up to 5th Harmonic 1kHz Input Signal
Full Power Bandwidth
Full Linear Bandwidth
S/(N + D) ≥ 75dB
LTC1864L/LTC1865L
MIN TYP MAX
82
82
92
10
20
UNITS
dB
dB
dB
MHz
kHz
DIGITAL A D DC ELECTRICAL CHARACTERISTICS The ● denotes specifications which apply
over the full operating temperature range, otherwise specifications are TA = 25°C. VCC = 2.7V, VREF = 2.5V, unless otherwise noted.
SYMBOL PARAMETER
CONDITION
LTC1864L/LTC1865L
MIN TYP MAX
UNITS
VIH
High Level Input Voltage
VCC = 3.3V
● 1.9
V
VIL
Low Level Input Voltage
VCC = 2.7V
●
0.45
V
IIH
High Level Input Current
VIN = VCC
●
2.5
µA
IIL
Low Level Input Current
VIN = 0V
●
– 2.5
µA
VOH
High Level Output Voltage
VCC = 2.7V, IO = 10µA
VCC = 2.7V, IO = 360µA
● 2.3
2.6
V
● 2.1
2.45
V
VOL
Low Level Output Voltage
VCC = 2.7V, IO = 400µA
●
0.3
V
IOZ
Hi-Z Output Leakage
CONV = VCC
●
±3
µA
ISOURCE Output Source Current
VOUT = 0V
– 6.5
mA
ISINK
Output Sink Current
VOUT = VCC
6.5
mA
IREF
Reference Current (LTC1864L SO-8 and
CONV = VCC
MSOP, LTC1865L MSOP)
fSMPL = fSMPL(MAX)
●
0.001
3
µA
●
0.01 0.1
mA
ICC
Supply Current
CONV = VCC After Conversion
fSMPL = fSMPL(MAX)
●
0.5
10
µA
●
0.45 1.0
mA
PD
Power Dissipation
fSMPL = fSMPL(MAX)
1.22
mW
sn18645L 18645Lfs
3
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