VREF (V) 0 –0.3 OFFSET ERROR (ppm OF V REF ) –0.2 –0.1 0 0.1 0.2" />
參數(shù)資料
型號(hào): DC1009A-B
廠商: Linear Technology
文件頁數(shù): 28/30頁
文件大小: 0K
描述: BOARD DELTA SIGMA ADC LTC2488
軟件下載: QuikEval System
設(shè)計(jì)資源: DC1009A Design File
DC1009A Schematic
標(biāo)準(zhǔn)包裝: 1
系列: Easy Drive™, QuikEval™
ADC 的數(shù)量: 1
位數(shù): 16
采樣率(每秒): 6.9
數(shù)據(jù)接口: MICROWIRE?,串行,SPI?
已用 IC / 零件: LTC2488
已供物品:
相關(guān)產(chǎn)品: LTC2488CDE#TRPBF-ND - IC ADC 16BIT DELTA SIG 14-DFN
LTC2488IDE#TRPBF-ND - IC ADC 16BIT DELTA SIG 14-DFN
LTC2488CDE#PBF-ND - IC ADC 16BIT DELTA SIG 14-DFN
LTC2488IDE#PBF-ND - IC ADC 16BIT DELTA SIG 14-DFN
LTC2488
7
2488fa
VREF (V)
0
–0.3
OFFSET
ERROR
(ppm
OF
V
REF
)
–0.2
–0.1
0
0.1
0.2
0.3
123
4
2488 G10
5
VCC = 5V
REF= GND
VIN = 0V
VIN(CM) = GND
TA = 25°C
TYPICAL PERFORMANCE CHARACTERISTICS
Offset Error vs VREF
TEMPERATURE (°C)
–45
100
CONVERSION
CURRENT
(μA)
120
160
180
200
–15
15
30
90
2488 G16
140
–30
0
45
60
75
VCC = 5V
VCC = 2.7V
FO = GND
CS = GND
SCK = NC
SDO = NC
SDI = GND
FREQUENCY AT VCC (Hz)
0
–140
REJECTION
(dB)
–120
–80
–60
–40
0
20
100
140
2488 G14
–100
–20
80
180
220
200
40 60
120
160
VCC = 4.1V DC ±1.4V
VREF = 2.5V
IN+ = GND
IN= GND
FO = GND
TA = 25°C
FREQUENCY AT VCC (Hz)
30600
–60
–40
0
30750
2488 G15
–80
–100
30650
30700
30800
–120
–140
–20
REJECTION
(dB)
VCC = 4.1V DC ±0.7V
VREF = 2.5V
IN+ = GND
IN= GND
FO = GND
TA = 25°C
TEMPERATURE (°C)
–45
0
SLEEP
MODE
CURRENT
(μA)
0.2
0.6
0.8
1.0
2.0
1.4
–15
15
30
90
2488 G17
0.4
1.6
1.8
1.2
–30
0
45
60
75
VCC = 5V
VCC = 2.7V
FO = GND
CS = VCC
SCK = NC
SDO = NC
SDI = GND
OUTPUT DATA RATE (READINGS/SEC)
0
SUPPLY
CURRENT
(μA)
500
450
400
350
300
250
200
150
100
80
2488 G18
20
40
60
100
70
10
30
50
90
VCC = 5V
VCC = 3V
VREF = VCC
IN+ = GND
IN= GND
SCK = NC
SDO = NC
SDI = GND
CS GND
FO = EXT OSC
TA = 25°C
FREQUENCY AT VCC (Hz)
1
0
–20
–40
–60
–80
–100
–120
–140
1k
100k
2488 G13
10
100
10k
1M
REJECTION
(dB)
VCC = 4.1V DC
VREF = 2.5V
IN+ = GND
IN= GND
FO = GND
TA = 25°C
TEMPERATURE (°C)
–45 –30
300
FREQUENCY
(kHz)
304
310
–15
30
45
2488 G11
302
308
306
15
0
60
75
90
VCC = 4.1V
VREF = 2.5V
VIN = 0V
VIN(CM) = GND
FO = GND
VCC (V)
2.5
300
FREQUENCY
(kHz)
302
304
306
308
310
3.0
3.5
4.0
4.5
2488 G12
5.0
5.5
VREF = 2.5V
VIN = 0V
VIN(CM) = GND
FO = GND
TA = 25°C
On-Chip Oscillator Frequency
vs Temperature
On-Chip Oscillator Frequency
vs VCC
PSRR vs Frequency at VCC
Conversion Current
vs Temperature
Sleep Mode Current
vs Temperature
Conversion Current
vs Output Data Rate
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