參數(shù)資料
型號: LTC2435IGN#PBF
廠商: Linear Technology
文件頁數(shù): 42/42頁
文件大小: 0K
描述: IC ADC DIFF I/REF 20BIT 16-SSOP
標(biāo)準(zhǔn)包裝: 100
位數(shù): 20
采樣率(每秒): 15
數(shù)據(jù)接口: MICROWIRE?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 2
功率耗散(最大): 1mW
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: 16-SSOP(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 16-SSOP
包裝: 管件
輸入數(shù)目和類型: 1 個差分,雙極
LTC2435/LTC2435-1
9
24351fc
For more information www.linear.com/LTC2435
Typical perForMance characTerisTics
Conversion Current vs
Temperature
Conversion Current vs
Output Data Rate
Sleep-Mode Current vs
Temperature
Offset Change* vs Output Data
Rate
Resolution (NoiseRMS ≤ 1LSB) vs
Output Data Rate
Resolution (INLMAX ≤ 1LSB) vs
Output Data Rate
TEMPERATURE (°C)
–45
CONVERSION
CURRENT
A)
2435 G28
–30 –15
45 60 75 90
30
15
0
240
230
220
210
200
190
180
170
160
FO = GND
CS = GND
SCK = NC
SDO = NC
VCC = 5.5V
VCC = 5V
VCC = 3V
VCC = 2.7V
SUPPLY
CURRENT
A)
1000
900
800
700
600
500
400
300
200
100
OUTPUT DATA RATE (READINGS/SEC)
2435 G29
0 10 20 30 40 50 60 70 80 90 100
VCC = 3V
VCC = 5V
VREF = VCC
IN+ = GND
IN= GND
SCK = NC
SDO = NC
SDI = GND
CS = GND
FO = EXT OSC
TA = 25°C
TEMPERATURE (°C)
–45
SLEEP-MODE
CURRENT
A)
2435 G30
–30 –15
45 60 75 90
30
15
0
6
5
4
3
2
1
0
FO = GND
CS = VCC
SCK = NC
SDO = NC
VCC = 5.5V
VCC = 5V
VCC = 3V
VCC = 2.7V
OUTPUT DATA RATE (READINGS/SEC)
50
40
30
20
10
0
–10
–20
–30
–40
–50
OFFSET
CHANGE*
(ppm
OF
V
REF
)
2435 G31
0 20 40 60 80 100 120 140 160 180 200
VINCM = VREFCM
VIN = 0V
REF= GND
FO = EXT OSC
TA = 25°C
VCC = VREF = 5V
VCC = 2.7V
VREF = 2.5V
* RELATIVE TO OFFSET AT
NORMAL OUTPUT RATE
OUTPUT DATA RATE (READINGS/SEC)
22
21
20
19
18
17
16
15
RESOLUTION
(BITS)
2435 G32
0 20 40 60 80 100 120 140 160 180 200
VINCM = VREFCM
VIN = 0V
REF= GND
FO = EXT OSC
TA = 25°C
RES = LOG2 (VREF/NOISERMS)
VCC = VREF = 5V
VCC = 2.7V
VREF = 2.5V
OUTPUT DATA RATE (READINGS/SEC)
21
20
19
18
17
16
15
14
RESOLUTION
(BITS)
2435 G33
0 20 40 60 80 100 120 140 160 180 200
VINCM = VREFCM
VIN = 0V
REF= GND
FO = EXT OSC
TA = 25°C
RES = LOG2 (VREF/INLMAX)
VCC = VREF = 5V
VCC = 2.7V
VREF = 2.5V
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