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): LTC2496IUHF#TRPBF
廠商: Linear Technology
文件頁(yè)數(shù): 30/32頁(yè)
文件大?。?/td> 0K
描述: IC ADC 16BIT DELTA SIG 38-QFN
標(biāo)準(zhǔn)包裝: 2,500
位數(shù): 16
采樣率(每秒): 6.9
數(shù)據(jù)接口: MICROWIRE?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 800µW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 38-WFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝: 38-QFN(5x7)
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 16 個(gè)單端,雙極;8 個(gè)差分,雙極
配用: DC1011A-B-ND - BOARD DELTA SIGMA ADC LTC2496
LTC2496
2496fb
VREF (V)
0
–0.3
OFFSET
ERROR
(ppm
OF
V
REF
)
–0.2
–0.1
0
0.1
0.2
0.3
1
2
3
4
2496 G28
5
VCC = 5V
REF= GND
VIN = 0V
VIN(CM) = GND
TA = 25°C
Typical perForMance characTerisTics
Offset Error vs VREF
On-Chip Oscillator Frequency
vs Temperature
On-Chip Oscillator Frequency
vs VCC
TEMPERATURE (°C)
–45 –30
300
FREQUENCY
(kHz)
304
310
–15
30 45
2496 G29
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
2496 G30
5.0
5.5
VREF = 2.5V
VIN = 0V
VIN(CM) = GND
fO = GND
TA = 25°C
TEMPERATURE (°C)
–45
100
CONVERSION
CURRENT
(A)
120
160
180
200
–15
15 30
90
2496 G34
140
–30
0
45 60 75
VCC = 5V
VCC = 2.7V
fO = GND
CS = GND
SCK = NC
SDO = NC
TEMPERATURE (°C)
–45
0
SLEEP
MODE
CURRENT
(A)
0.2
0.6
0.8
1.0
2.0
1.4
–15
15 30
90
2496 G35
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
OUTPUT DATA RATE (READINGS/SEC)
0
SUPPLY
CURRENT
(A)
500
450
400
350
300
250
200
150
100
80
2496 G36
20
40
60
100
70
10
30
50
90
VCC = 5V
VCC = 3V
VREF = VCC
IN+ = GND
IN= GND
SCK = NC
SDO = NC
CS = GND
fO = EXT OSC
TA = 25°C
FREQUENCY AT VCC (Hz)
0
–20
–40
–60
–80
–100
–120
–140
1k
100k
2496 G31
10
100
10k
1M
REJECTION
(dB)
VCC = 4.1V DC
VREF = 2.5V
IN+ = GND
IN= GND
fO = GND
TA = 25°C
FREQUENCY AT VCC (Hz)
0
–140
REJECTION
(dB)
–120
–80
–60
–40
0
20
100
140
2496 G32
–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
2496 G33
–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
PSRR vs Frequency at VCC
Conversion Current
vs Temperature
Sleep Mode Current
vs Temperature
Conversion Current
vs Data Output Rate
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