LTC2272(RevA) View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LTC2272 Datasheet PDF : 44 Pages
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LTC2273/LTC2272
COMMON MODE BIAS CHARACTERISTICS The l denotes the specifications which apply over
the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
VCM Output Voltage
VCM Output Tempco
VCM Line Regulation
VCM Output Resistance
IOUT = 0
IOUT = 0
3.135V ≤ VDD ≤ 3.465V
–1mA ≤ | IOUT | ≤ 1mA
1.15 1.25 1.35
V
l
40
ppm/°C
l
1
mV/V
l
2
Ω
DIGITAL INPUTS AND DIGITAL OUTPUTS The l denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at TA = 25°C. (Note 4)
SYMBOL PARAMETER
Encode Inputs (ENC+, ENC–)
CONDITIONS
MIN
TYP
MAX
UNITS
VID
Differential Input Voltage
(Note 7)
VICM
Common Mode Input Voltage Internally Set
Externally Set (Note 7)
l
0.2
V
1.6
V
1.4
3.0
RIN
Input Resistance
(See Figure 2)
6
kΩ
CIN
Input Capacitance
SYNC Inputs (SYNC+, SYNC–)
3
pF
VSID
SYNC Differential Input
(Note 7)
l
0.2
V
Voltage
VSICM
SYNC Common Mode Input Internally Set
Voltage
Externally Set (Note 7)
1.6
V
1.1
2.2
RSIN
SYNC Input Resistance
16.5
kΩ
CSIN
SYNC Input Capacitance
3
pF
Logic Inputs (DITH, PGA, MSBINV, SCRAM, FAM, SHDN, SRR1, SRR0, ISMODE, PAT1, PAT0)
VIH
High Level Input Voltage
VDD = 3.3V
VIL
Low Level Input Voltage
VDD = 3.3V
l
2
l
V
0.8
V
IIN
Input Current
VIN = 0V to VDD
CIN
Input Capacitance
High-Speed Serial Outputs (CMLOUT+, CMLOUT–)
l
±20
μA
1.5
pF
VOH
Output High Level
VOL
Output Low Level
VOCM
ROUT
Output Common Mode
Voltage
Output Resistance
Directly-Coupled 50Ω to OVDD
Directly-Coupled 100Ω Differential
AC-Coupled
Directly-Coupled 50Ω to OVDD
Directly-Coupled 100Ω Differential
AC-Coupled
Directly-Coupled 50Ω to OVDD
Directly-Coupled 100Ω Differential
AC-Coupled
Single-Ended Differential
OVDD
V
OVDD – 0.2
V
OVDD – 0.2
V
OVDD – 0.4
V
OVDD – 0.6
V
OVDD – 0.6
V
OVDD – 0.2
V
OVDD – 0.4
V
OVDD – 0.4
V
l
35
50
65
Ω
100
Ω
22732fa
5
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