XRD98L61 Datasheet, PDF (5/37 Pages) Exar Corporation – CCD Image Digitizers with CDS, PGA and 12-Bit A/D

Preliminary
XRD98L61
DC ELECTRICAL CHARACTERISTICS – XRD98L61
Unless otherwise specified: OV_DD = DV_DD =AV_DD = 3.0V, Pixel Rate = 20MSPS, T_A = 25°C
Rext= 30 KOhm
Symbol Parameter
Min. Typ. Max. Unit Conditions
CDS Performance
CDSV_IN
V_DARK
Vrst
Input Range
Maximum Dark Voltage Offset
Reset Pulse
800 mV_PP Pixel (V_BLK - V_VIDEO), (See Figure 2).
250
mV At any gain. (See Figure 2).
500 mV
r_CLAMP
Clamp On Resistance
PGA Parameters
120
Ω
AV_MIN
AV_MAX
PGA n
Minimum Gain
Maximum Gain
Resolution
0
dB Gain Code = 0
36
dB Gain Code > 768
10
bits Transfer function is linear steps in dB
PGA Step Gain Step Size
0.047
dB
ADC Parameters (Measured in ADC Test Mode)SDI = 0010 001 0011 1000
ADC n Resolution
12
bits
f_s
DNL
Max Sample Rate
Differential Non-Linearity
20
MSPS
-1 +0.75 1 LSB
V_ID
Full Scale Differential Input
+1.0
∆V_REF
ADC Reference Voltage
1
V
CapP - CapN = ∆V_REF
Rev. P4.00
5