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參數資料
型號: TLV2548IPWLE
廠商: TEXAS INSTRUMENTS INC
元件分類: ADC
英文描述: 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
文件頁數: 15/39頁
文件大小: 648K
代理商: TLV2548IPWLE
TLV2544, TLV2548
2.7 V TO 5.5 V, 12-BIT, 200 KSPS, 4/8 CHANNEL, LOW POWER,
SERIAL ANALOG-TO-DIGITAL CONVERTERS WITH AUTO POWER DOWN
SLAS198A –FEBRUARY 1999– REVISED AUGUST 1999
22
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
ac specifications
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SINAD
Signal-to-noise ratio +distortion
fI = 12 kHz at 200 KSPS
69
71
dB
THD
Total harmonic distortion
fI = 12 kHz at 200 KSPS
–82
–76
dB
ENOB
Effective number of bits
fI = 12 kHz at 200 KSPS
11.6
Bits
SFDR
Spurious free dynamic range
fI = 12 kHz at 200 KSPS
–91
–84
–75
dB
Analog input
Full power bandwidth, –3 dB
1
MHz
Full-power bandwidth, –1 dB
500
kHz
reference specifications (0.1
F and 10 F between REFP and REFM pins)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Reference input voltage, REFP
VCC = 2.7 V to 5.5 V
VCC
V
VCC =5 5V
CS = 1,
SCLK = 0, (off)
100
M
Input impedance
VCC = 5.5 V
CS = 0,
SCLK = 20 MHz (on)
20
25
k
Input impedance
VCC =2 7V
CS = 1,
SCLK = 0 (off)
100
M
VCC = 2.7 V
CS = 0,
SCLK = 20 MHz (on)
20
25
k
Input voltage difference,
REFP – REFM
VCC = 2.7 V to 5.5 V
2
VCC
V
It
l
f
lt
VCC = 5.5 V
VREFSELECT = 4 V
3.85
4
4.15
V
Internal reference voltage,
REFP – REFM
VCC = 5.5 V
VREFSELECT = 2 V
1.925
2
2.075
V
REFP – REFM
VCC = 2.7 V
VREFSELECT = 2 V
1.925
2
2.075
V
Internal reference start up time
VCC = 5.5 V, 2.7 V
10
F
20
ms
Reference temperature coefficient
VCC = 2.7 V to 5.5 V
16
40
PPM/
°C
相關PDF資料
PDF描述
TLV2548CPWLE 8-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
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