参数资料
型号: THS0842IPFBG4
厂商: TEXAS INSTRUMENTS INC
元件分类: ADC
英文描述: 2-CH 8-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP48
封装: GREEN, PLASTIC, TQFP-48
文件页数: 3/30页
文件大小: 503K
代理商: THS0842IPFBG4
THS0842
DUAL-INPUT, 8-BIT, 40 MSPS LOW-POWER ANALOG-TO-DIGITAL CONVERTER
WITH SINGLE OR DUAL PARALLEL BUS OUTPUT
SLAS246A – DECEMBER 1999 – REVISED AUGUST 2000
11
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
Figure 3
0
20
40
60
80
100
120
–40
–15
10
35
60
85
ICC Total
IAVDD
IDRVDD
IDVDD
I–
Current
mA
CURRENT CONSUMPTION
vs
TEMPERATURE
TA – Temperature – °C
Figure 4
6
6.1
6.2
6.3
6.4
6.5
6.6
6.7
6.8
6.9
7
0
5
10
15
20
ENOB
Effective
Number
of
Bits
Bits
EFFECTIVE NUMBER OF BITS
vs
ANALOG INPUT FREQUENCY
fi – Analog Input Frequency – MHz
40
41
42
43
44
45
46
47
48
49
50
–40
–15
10
35
60
85
SNR
Signal-to-Noise
Ratio
dB
SIGNAL-TO-NOISE RATIO
vs
TEMPERATURE
TA – Temperature – °C
Figure 5
Unless otherwise noted AVDD = DVDD = DRVDD = 3 V, fCLK = 80 MHz, analog input = –1 dB FS, TA = 25°C.
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