参数资料
型号: XRD9825EVAL
厂商: Exar Corporation
文件页数: 29/33页
文件大小: 0K
描述: EVAL BOARD FOR XRD9825
标准包装: 1
系列: *
XRD9825
5
Rev. 1.00
ELECTRICAL CHARACTERISTICS (CONT'D)
Test Conditions: AV
DD=DVDD=5V, ADCCLK=12MHz, 50% Duty Cycle, TA=25°C unless otherwise specified.
Symbol
Parameter
Min.
Typ.
Max.
Unit
Conditions
Buffer Specifications
I
IL
Input Leakage Current
100
nA
CIN
Input Capacitance
10
pF
VIN
PP
AC Input Voltage Range
0
AV
DD-1.4
V
CIS AC; INT V
DCREF
Config Reg
=> XXX010XX
Gain=1 (Note 1)
AC Input Voltage Range
0
V
REF
V
CCD AC; INT V
DCREF
Config Reg
=> XXX011XX
Gain=1 (Note 1)
VIN
DC Input Voltage Range
-0.1
AV
DD-1.4
V
CIS DC; INT V
DCREF
Config Reg
=> XXX000XX
Gain=1 (Note 2)
DC Input Voltage Range
V
DCEXT-0.1
V
DCEXT+
V
CIS DC; EXT V
DCREF
V
REF
Config Reg
=> XXX100XX
Gain=1 (Note 3)
V
DCEXT+DVREF < AVDD
V
DCEXT
External DC Reference
0.3
AV
DD/2
V
CIS DC; EXT V
DCREF
Config Reg
=> XXX100XX
VIN
BW
Input Bandwidth (small signal)
10
MHz
VIN
CT
Channel to Channel Crosstalk
-60
-50
dB
f
in=3MHz
Internal Clamp Specifications
V
CLAMP
Clamp Voltage
AGND
50
mV
CIS (AC) Config
3.5
V
RT
V
CCD (AC) Config
R
INT
Clamp Switch On Resistance
100
150
R
OFF
Clamp Switch Off Resistance
10
M
Note 1: VIN
PP 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 V
DCEXT-0.1V minimum is specified in order to accommodate black level signals lower than the external DC
reference voltage.
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