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參數(shù)資料
| 型號： | DEM-VSP2232Y |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | CCD SIGNAL PROCESSOR FOR DIGITAL CAMERAS |
| 中文描述： | CCD信號處理器的數(shù)碼相機 |
| 文件頁數(shù)： | 12/19頁 |
| 文件大?。?/td> | 248K |
| 代理商： | DEM-VSP2232Y |
VSP2232
SLAS320
–
MAY 2001
12
www.ti.com
electrical characteristics
,
all specifications at T
A
= 25
°
C, V
CC
= DRV
DD
= 3 V, conversion rate
(f
(ADCCK)
) = 36 MHz, no load unless otherwise noted (continued)
power supply
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VCC
Supply voltage, DRVDD
2.7
3
3.6
V
PD
Power dissipation
Normal operation mode:
VCC = DRVDD = 2.7 V,
f(ADCCK) = 36 MHz, No load
Standby mode: f(ADCCK) = Not applied
130
mW
6
temperature range
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
°
C
°
C
°
C/W
TA
Tstg
Operation temperature
–
25
85
Storage temperature
Thermal resistance
θ
JA
–
55
125
48-pin LQFP
100
analog input (CCDIN)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input signal level for full-scale out
PGA gain = 0 dB
900
mV
Input capacitance
15
pF
Input limit
–
0.3
3.3
V
transfer characteristics
PARAMETER
TEST CONDITIONS
MIN
TYP
±
0.5
±
2
MAX
UNIT
DNL
Differential nonlinearity
PGA gain = 0 dB
LSB
INL
Integral nonlinearity
PGA gain = 0 dB
LSB
No missing codes
Assured
Step response settling time
Full-scale step input
1
pixel
Overload recovery time
Step input from 1.8 V to 0 V
2
pixels
Data latency
9(fixed)
Clock
cycles
SNR
Signal to noise ratio (see Note 7)
Signal-to-noise ratio (see Note 7)
Grounded input cap, PGA gain = 0 dB
76
dB
Grounded input cap, Gain = 24 dB
52
CCD offset correction range
NOTE 7: SNR = 20 log (full-scale voltage/rms noise)
–
180
200
mV
CDS
PARAMETER
TEST CONDITIONS
MIN
TYP
6.9
MAX
UNIT
Reference sample settling time
Within 1 LSB driver impedance
Within 1 LSB, driver impedance = 50
ns
Data sample settling time
6.9
input clamp
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
V
Clamp-on resistance
400
Clamp level
1.25
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