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VSP5621 Datasheet(PDF) 8 Page - Texas Instruments

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Part # VSP5621
Description  16-Bit, 4-Channel, CCD/CMOS Sensor Analog Front-End with LED Driver
PDF  41 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

VSP5621 Datasheet(HTML) 8 Page - Texas Instruments

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VSP5620
VSP5621
VSP5622
SBES022
– JULY 2011
www.ti.com
ELECTRICAL CHARACTERISTICS: VSP5621 (continued)
All specifications at TA = +25°C, supply voltage = +3.3 V, conversion rate = 12.5 MHz, and four-channel mode, unless
otherwise noted.
VSP5621
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
TRANSFER CHARACTERISTICS
Channel
2
4
Channels
Resolution
16
Bits
LVDS, two- and three-channel mode
1
16.66
MHz/Ch
LVDS, four-channel mode
1
12.5
MHz/Ch
CMOS 4-bit
× 4, two-channel mode
1
10
MHz/Ch
Conversion rate
CMOS 4-bit
× 4, three-channel
1
6.7
MHz/Ch
mode
CMOS 4-bit
× 4, four-channel mode
1
5
MHz/Ch
Maximum differential nonlinearity
Gain = 1 V/V, 12-bit
±0.5
LSB
Maximum integral nonlinearity
Gain = 1 V/V, 12-bit
±2
LSB
No missing codes
Specified
Signal-to-noise ratio
SNR
Gain = 1 V/V
72(2)
76
dB
Analog channel crosstalk
Gain = 1 V/V, 12-bit, full-scale step
±6.5
LSB
Total absolute gain error
–10
10
%
ANALOG PROGRAMMABLE GAIN (APG)
Gain range
APG_x
0.5
3.5
V/V
Gain step
63
Steps
Gain relative error
Basis gain = 1 V/V
–10
10
%
Gain monotonicity
Only APG_x
Specified
DIGITAL PROGRAMMABLE GAIN (DPG)
Gain range
DPG_x
1.0
2.0
V/V
Gain step
255
Steps
Gain monotonicity
Only DPG_x
Specified
AIN REFERENCE LEVEL (REF_AIN)
Setting code = 0
0.5
V
Setting code = 1
1.1
V
Internal DAC output
VRINT
Setting code = 2 (default)
1.5
V
Setting code = 3
2.0
V
Internal DAC output tolerance
VRINT
–10
10
%
Internal DAC output temperature
VRINT
TA = 0°C to +85°C
(2)
–2
2
%
drift
External reference range
VREXT
0.5
VDD
– 0.9
V
INPUT CLAMP
Internal reference level clamp
VRINT
V
Clamp level
VCLP
External reference level clamp
VREXT
V
Fixed level clamp
2.2
V
Clamp-on resistance
RCLP
500
Ω
OFFSET DAC
Resolution
8
Bits
Output range
±250
mV
Setting tolerance
–10
10
%
Temperature drift
TA = 0°C to +85°C
(2)
–2
2
%
(2)
Specified by design.
8
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Copyright
© 2011, Texas Instruments Incorporated
Product Folder Link(s): VSP5620 VSP5621 VSP5622



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