XRD98L61_01 Datasheet, PDF (4/38 Pages) Exar Corporation – CCD Image Digitizers with CDS, PGA and 12-Bit A/D

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
80
Ω
AV_MIN
AV_MAX
PGA n
Minimum Gain
Maximum Gain
Resolution
-1.0 0 +1.0 dB
32.5 36 39.5 dB
10
Bits
Gain Code = 0
G a in C o d e > 768
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 +0.75 +1.0 LSB
V_ID
Full Scale Differential Input
+1.0
V
∆V_REF
ADC Reference Voltage
DAC Parameters
DACn
Resolution
V_MAX
V_MIN
t_S
R_L
Vout Max
Vout Min
Settling Time
Output Load
1
8
2.25
0.25
5
20
V
CapP - CapN = ∆V_REF
Bits
Volt
Volt
ms
KOhm
Guaranteed Monotonic
Buffer is needed for resistive load
<20KΩ
Rev. 2.00
4