AD9803_15 Datasheet, PDF (3/19 Pages) Analog Devices – CCD SIGNAL PROCESSOR FOR ELECTRONIC CAMERAS

AD9803
CCD-MODE SPECIFICATIONS ^{(TMIN to TMAX, ACVDD = ADVDD = DVDD = +2.8 V, fSHP = fSHD = fADCCLK = 18 MHz unless otherwise}
noted)
Parameter
POWER CONSUMPTION
V_DD = 2.7
V_DD = 2.8
V_DD = 3.0
MAXIMUM CLOCK RATE
CDS
Gain
Allowable CCD Reset Transient¹
Max Input Range Before Saturation¹
PGA
Max Input Range
Max Output Range
Digital Gain Control (See Figure 26)
Gain Control Resolution
Minimum Gain (Code 0)
Low Gain (Code 207)
Medium Gain (Code 437)
High Gain (Code 688)
Max Gain (Code 1023)
Analog Gain Control (See Figure 25)
PGACONT1 = 0.7 V, PGACONT2 = 1.5 V
PGACONT1 = 1.8 V, PGACONT2 = 1.5 V
BLACK-LEVEL CLAMP
Clamp Level (Selected by the Serial I/F)
CLP(0) (E-Reg 00)
CLP(1) (E-Reg 01)
CLP(2) (E-Reg 10)
CLP(3) (E-Reg 11)
Even-Odd Offset²
SIGNAL-TO-NOISE RATIO³ (@ Minimum PGA Gain)
TIMING SPECIFICATIONS⁴
Pipeline Delay
Even-Odd Offset Correction Disabled
Even-Odd Offset Correction Enabled
Internal Clock Delay⁵ (t_ID)
Inhibited Clock Period (t_INHIBIT)
Output Delay (t_OD)
Output Hold Time (t_HOLD)
ADCCLK, SHP, SHD, Clock Period
ADCCLK Hi-Level, Or Low Level
SHP, SHD Minimum Pulsewidth⁶
SHP Rising Edge to SHD Rising Edge
NOTES
1_{Input Signal Characteristics defined as shown:}
Min
18
1000
1000
1000
–3.5
0
22
32
15
2
47
20
10
20
Typ
Max
150
170
185
0
500
10 (Fixed)
–1.5
0
4
8
15
26
30
4.5
26
34
50
66
18
± 0.5
61
5
7
3
20
55.6
28
14
28
Units
mW
mW
mW
MHz
dB
mV
mV p-p
mV p-p
mV p-p
Bits
dB
dB
dB
dB
dB
dB
dB
LSB
LSB
LSB
LSB
LSB
dB
Cycles
Cycles
ns
ns
ns
ns
ns
ns
ns
ns
500mV TYP
RESET TRANSIENT
؎50mV MAX
OPTICAL BLACK PIXEL
1V MAX
INPUT SIGNAL
RANGE
2V MAX
INPUT SIGNAL
W/PBLK
ENABLED
2_{Even-Odd Offset is described under the Theory of Operation section. The Even-Odd Offset is measured with the Even-Off Offset correction enabled.}
3_{SNR = 20 log10 (Full-Scale Voltage/RMS Output Noise).}
4_{20 pF loading; timing shown in Figure 1.}
5_{Internal aperture delay for actual sampling edge.}
6_{Active Low Clock Pulse Mode (C-Reg 00).}
Specifications subject to change without notice.
REV. 0
–3–