參數(shù)資料
型號: TLC5540INSLE
廠商: TEXAS INSTRUMENTS INC
元件分類: ADC
英文描述: 1-CH 8-BIT FLASH METHOD ADC, PARALLEL ACCESS, PDSO24
封裝: PLASTIC, SOP-24
文件頁數(shù): 20/21頁
文件大?。?/td> 407K
代理商: TLC5540INSLE
TLC5540
SLAS105D JANUARY 1995 REVISED APRIL 2004
www.ti.com
8
TYPICAL CHARACTERISTICS
Figure 3
Power
Dissipation
mW
POWER DISSIPATION
vs
SAMPLING FREQUENCY
100
50
0
5
10
20
150
200
30
fs Sampling Frequency MHz
VDD = 5 V
TA = 25°C
15
25
35
40
Figure 4
0.1
1
10
100
Gain
dB
ANALOG INPUT BANDWIDTH
0.5
0
0.5
1
1.5
2
2.5
3
4
4.5
5
VCC = 5 V, VRT = 2.6 V, VRB = 0.6 V
CLK = 40 MHz
ANALOG IN = 100 k 100 MHz Sine Wave
VI = 2 V(PP)
fI Input Frequency MHz
3.5
Figure 5
ENOB
Effective
Number
of
Bits
BITS
EFFECTIVE NUMBER OF BITS
vs
INPUT FREQUENCY
fI Input Frequency MHz
2
0
8
4
0
5
10
15
6
1
3
5
7
fs = 20 MHz
VDD = 5 V, VI = 1 V(PP)
VRB = 2.6 V, VRT = 0.6 V
fs = 40 MHz
Figure 6
SNR
Signal-to-Noise
Ratio
dB
SIGNAL-TO-NOISE RATIO
vs
INPUT FREQUENCY
fI Input Frequency MHz
30
20
10
0
05
10
40
50
15
VDD = 5 V, VI = 1 V(PP)
VRB = 2.6 V, VRT = 0.6 V
fs = 20 MHz
5
15
25
35
45
fs = 40 MHz
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