XRD9825 데이터 시트보기 (PDF) - Exar Corporation
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XRD9825 Datasheet PDF : 33 Pages
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XRD9825
ELECTRICAL CHARACTERISTICS (CONT'D)
Test Conditions: AVDD=DVDD=5V, ADCCLK=12MHz, 50% Duty Cycle, TA=25°C unless otherwise specified.
Symbol
Parameter
Buffer Specifications
I
IL
CIN
VIN
PP
Input Leakage Current
Input Capacitance
AC Input Voltage Range
AC Input Voltage Range
VIN
DC Input Voltage Range
DC Input Voltage Range
Min.
Typ.
Max. Unit Conditions
10
0
0
-0.1
V -0.1
DCEXT
100
nA
pF
AV -1.4 V
DD
∆VREF
V
AVDD-1.4 V
V+ V
DCEXT
∆VREF
CIS AC; INT V
DCREF
Config Reg
=> XXX010XX
Gain=1 (Note 1)
CCD AC; INT V
DCREF
Config Reg
=> XXX011XX
Gain=1 (Note 1)
CIS DC; INT VDCREF
Config Reg
=> XXX000XX
Gain=1 (Note 2)
CIS DC; EXT V
DCREF
Config Reg
=> XXX100XX
Gain=1 (Note 3)
V +DV < AV
DCEXT
REF
DD
V
DCEXT
External DC Reference
VINBW
VIN
CT
Input Bandwidth (small signal)
Channel to Channel Crosstalk
Internal Clamp Specifications
VCLAMP
Clamp Voltage
R
Clamp Switch On Resistance
INT
ROFF
Clamp Switch Off Resistance
0.3
AV /2 V CIS DC; EXT V
DD
DCREF
Config Reg
=> XXX100XX
10
MHz
-60
-50
dB f =3MHz
in
AGND
50
mV CIS (AC) Config
3.5
V
RT
V CCD (AC) Config
100
150
Ω
10
MΩ
Note 1: VINPP is the signal swing before the external capacitor tied to the MUX inputs.
Note 2: The -0.1V minimum is specified in order to accommodate black level signals lower than the external DC
reference (clamp) voltage.
Note 3: The VDCEXT-0.1V minimum is specified in order to accommodate black level signals lower than the external DC
reference voltage.
Rev. 1.00
5
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