參數(shù)資料
型號(hào): TLV990-21PFB
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝: GREEN, PLASTIC, TQFP-48
文件頁(yè)數(shù): 19/23頁(yè)
文件大小: 408K
代理商: TLV990-21PFB
TLV99021
3V, 10BIT, 21MSPS AREA CCD ANALOG FRONT END
SLAS299A AUGUST 2000 REVISED MARCH 2004
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range, TA = 25°C, AVDD
= DVDD = 3 V, ADCCLK = 21 MHz (unless otherwise noted)
total device
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
AVDD operating current
34
mA
DVDD operating current
4
mA
Device power consumption
150
mW
Power consumption in power-down mode
2
mW
INL
Full CCD channel integral nonlinearity
AVDD=DVDD= 2.7 V – 3.3 V,
Using best fit method
±0.75
±2
LSB
DNL
Full CCD channel differential nonlinearity
AVDD=DVDD= 2.7 V – 3.3 V
±0.5 ±0.99
LSB
No missing code
Assured
Full channel output latency
6
CLK
cycles
analog-to-digital converter (ADC)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ADC resolution in CCD mode
10
Bits
Full-scale input span
2
VP-P
Conversion rate
21
MHz
correlated double sample (CDS) and programmable gain amplifier (PGA)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
CDS and PGA sample rate
21
MHz
CDS full-scale input span
Single-ended input
1
V
Input capacitance of CDS
4
pF
Minimum PGA gain
0
1
dB
Maximum PGA gain
35
36
37
dB
PGA gain resolution
0.045
dB
PGA programming code resolution
10
Bits
internal digital-to-analog converters (DAC) for offset correction
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DAC resolution
8
Bits
INL
Integral nonlinearity
±0.5
LSB
DNL
Differential nonlinearity
±0.5
LSB
Output settling time
To 1% accuracy
80
ns
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