AD9948 Analog Devices, AD9948 Datasheet - Page 3

• Manufacturer Part Number: AD9948
• Description: 10-Bit CCD Signal Processor with Precision Timing Core
• Manufacturer: Analog Devices

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ANALOG SPECIFICATIONS
Parameter
CDS
PIXEL GAIN AMPLIFIER (PxGA)
VARIABLE GAIN AMPLIFIER (VGA)
BLACK LEVEL CLAMP
A/D CONVERTER
VOLTAGE REFERENCE
SYSTEM PERFORMANCE
*Input signal characteristics defined as follows:
Specifications subject to change without notice.
RESET TRANSIENT
Gain
Allowable CCD Reset Transient*
Max Input Range before Saturation*
Max CCD Black Pixel Amplitude*
Gain Control Resolution
Gain Monotonicity
Max Input Range
Max Output Range
Gain Control Resolution
Gain Monotonicity
Gain Range
Clamp Level Resolution
Clamp Level
Resolution
Differential Nonlinearity (DNL)
No Missing Codes
Full-Scale Input Voltage
Reference Top Voltage (REFT)
Reference Bottom Voltage (REFB)
VGA Gain Accuracy
Peak Nonlinearity, 500 mV Input Signal
Total Output Noise
Power Supply Rejection (PSR)
500mV TYP
Min Gain
Max Gain
Min Gain (VGA Code 0)
Max Gain (VGA Code 1023)
Min Clamp Level (0)
Max Clamp Level (255)
Min Gain (Code 0)
Max Gain (Code 1023)
OPTICAL BLACK PIXEL
50mV MAX
INPUT SIGNAL RANGE
1V MAX
(T
unless otherwise noted.)
MIN
to T
Min
1.0
1.0
2.0
10
–1.0
5.0
40.5
MAX
, AVDD = DVDD = 3.0 V, f
Typ
0
500
± 50
256
0
18
1024
Guaranteed
6
42
256
0
63.75
± 0.5
Guaranteed
2.0
2.0
1.0
5.5
41.5
0.2
0.25
50
–3–
CLI
= 25 MHz, Typical Timing Specifications,
Max
+1.0
6.0
42.5
Unit
dB
mV
V p-p
mV
Steps
dB
dB
V p-p
V p-p
Steps
dB
dB
Steps
LSB
LSB
Bits
LSB
V
V
V
dB
dB
%
LSB rms
dB
Notes
Measured at ADC output
Specifications include entire
signal chain
12 dB gain applied
AC grounded input, 6 dB
gain applied
Measured with step change
on supply
AD9948