IN+
參數(shù)資料
型號: LTC2440IGN#TRPBF
廠商: Linear Technology
文件頁數(shù): 22/28頁
文件大?。?/td> 0K
描述: IC ADC DIFFER 24-BIT HS 16-SSOP
標(biāo)準(zhǔn)包裝: 2,500
位數(shù): 24
采樣率(每秒): 3.5k
數(shù)據(jù)接口: MICROWIRE?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 2
功率耗散(最大): 40mW
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: 帶卷 (TR)
輸入數(shù)目和類型: 1 個差分,雙極
配用: DC570A-ND - BOARD DELTA SIGMA ADC LTC2440
LTC2440
3
2440fd
ANALOG INPUT AND REFERENCE
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
IN+
Absolute/Common Mode IN+ Voltage
l
GND – 0.3V
VCC + 0.3V
V
IN
Absolute/Common Mode INVoltage
l
GND – 0.3V
VCC + 0.3V
V
VIN
Input Differential Voltage Range (IN+ – IN)
l
–VREF/2
VREF/2
V
REF+
Absolute/Common Mode REF+ Voltage
l
0.1
VCC
V
REF
Absolute/Common Mode REFVoltage
l
GND
VCC – 0.1V
V
VREF
Reference Differential Voltage Range (REF+
– REF)
l
0.1
VCC
V
CS(IN+)
IN+ Sampling Capacitance
3.5
pF
CS(IN)
INSampling Capacitance
3.5
pF
CS(REF+)
REF+ Sampling Capacitance
3.5
pF
CS(REF)
REFSampling Capacitance
3.5
pF
IDC_LEAK(IN+, IN,
REF+, REF)
Leakage Current, Inputs and Reference
CS = VCC, IN+ = GND, IN= GND,
REF+ = 5V, REF= GND
l
–100
10
100
nA
ISAMPLE(IN+, IN,
REF+, REF)
Average Input/Reference Current During
Sampling
Varies, See Applications Section
The
l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. (Note 3)
DIGITAL INPUTS AND DIGITAL OUTPUTS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
High Level Input Voltage
CS, fO, SDI
4.5V ≤ VCC ≤ 5.5V
l
2.5
V
VIL
Low Level Input Voltage
CS, fO, SDI
4.5V ≤ VCC ≤ 5.5V
l
0.8
V
VIN
High Level Input Voltage
SCK
4.5V ≤ VCC ≤ 5.5V (Note 8)
l
2.5
V
VIL
Low Level Input Voltage
SCK
4.5V ≤ VCC ≤ 5.5V (Note 8)
l
0.8
V
IIN
Digital Input Current
CS, fO
0V ≤ VIN ≤ VCC
l
–10
10
μA
IIN
Digital Input Current
SCK
0V ≤ VIN ≤ VCC (Note 8)
l
–10
10
μA
CIN
Digital Input Capacitance
CS, fO
10
pF
CIN
Digital Input Capacitance
SCK
(Note 8)
10
pF
VOH
High Level Output Voltage
SDO, BUSY
IO = –800μA
l
VCC – 0.5V
V
VOL
Low Level Output Voltage
SDO, BUSY
IO = 1.6mA
l
0.4V
V
VOH
High Level Output Voltage
SCK
IO = –800μA (Note 9)
l
VCC – 0.5V
V
VOL
Low Level Output Voltage
SCK
IO = 1.6mA (Note 9)
l
0.4V
V
IOZ
Hi-Z Output Leakage
SDO
l
–10
10
μA
The
l denotes the specications which apply over the full
operating temperature range, otherwise specications are at TA = 25°C. (Note 3)
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