≤ VCC
參數(shù)資料
型號: LTC2439-1CGN#PBF
廠商: Linear Technology
文件頁數(shù): 22/28頁
文件大小: 0K
描述: IC ADC 16BIT 16CH MCRPWR 28SSOP
標(biāo)準(zhǔn)包裝: 49
位數(shù): 16
采樣率(每秒): 6.8
數(shù)據(jù)接口: MICROWIRE?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 1mW
電壓電源: 單電源
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 28-SSOP(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 28-SSOP
包裝: 管件
輸入數(shù)目和類型: 16 個單端,雙極;8 個差分,雙極
配用: DC790A-ND - BOARD DELTA SIGMA ADC LTC2439-1
LTC2439-1
3
24391fa
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Total Unadjusted Error
5V
≤ VCC ≤ 5.5V, REF+ = 2.5V, REF= GND, VINCM = 1.25V
0.20
LSB
5V
≤ VCC ≤ 5.5V, REF+ = 5V, REF= GND, VINCM = 2.5V
0.20
LSB
REF+ = 2.5V, REF= GND, VINCM = 1.25V, (Note 6)
Output Noise
5V
≤ VCC ≤ 5.5V, REF+ = 5V, VREF– = GND,
1
VRMS
GND
≤ IN= IN+ ≤ 5V (Note 12)
Input Common Mode Rejection DC
2.5V
≤ REF+ ≤ VCC, REF= GND,
130
140
dB
GND
≤ IN= IN+ ≤ VCC (Note 5)
Input Common Mode Rejection
2.5V
≤ REF+ ≤ VCC, REF= GND,
140
dB
49Hz to 61.2Hz
GND
≤ IN= IN+ ≤ VCC, (Note 5)
Input Normal Mode Rejection
(Note 5)
87
dB
49Hz to 61.2Hz
Reference Common Mode
2.5V
≤ REF+ ≤ VCC, GND ≤ REF≤ 2.5V,
130
140
dB
Rejection DC
VREF = 2.5V, IN= IN+ = GND (Note 5)
Power Supply Rejection, DC
REF+ = 2.5V, REF= GND, IN= IN+ = GND
120
dB
Power Supply Rejection,
REF+ = 2.5V, REF= GND, IN= IN+ = GND
120
dB
Simultaneous 50Hz/60Hz
±2%
The
denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Notes 3, 4)
CO VERTER CHARACTERISTICS
U
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
IN+
Absolute/Common Mode IN+ Voltage
GND – 0.3
VCC + 0.3
V
IN
Absolute/Common Mode INVoltage
GND – 0.3
VCC + 0.3
V
VIN
Input Differential Voltage Range
–VREF/2
VREF/2
V
(IN+ – IN)
REF+
Absolute/Common Mode REF+ Voltage
0.1
VCC
V
REF
Absolute/Common Mode REFVoltage
GND
VCC – 0.1
V
VREF
Reference Differential Voltage Range
0.1
VCC
V
(REF+ – REF)
CS (IN+)IN+ Sampling Capacitance
18
pF
CS (IN)INSampling Capacitance
18
pF
CS (REF
+)REF+ Sampling Capacitance
18
pF
CS (REF
)REFSampling Capacitance
18
pF
IDC_LEAK (IN
+)IN+ DC Leakage Current
CS = VCC = 5.5V, IN
+ = GND
–100
1
100
nA
IDC_LEAK (IN)INDC Leakage Current
CS = VCC = 5.5V, IN= 5V
–100
1
100
nA
IDC_LEAK (REF+)REF+ DC Leakage Current
CS = VCC = 5.5V, REF+ = 5V
–100
1
100
nA
IDC_LEAK (REF)REFDC Leakage Current
CS = VCC = 5.5V, REF= GND
–100
1
100
nA
Off Channel to On Channel Isolation
DC
140
dB
(RIN = 100)
1Hz
140
dB
fS = 15,3600Hz
140
dB
tOPEN
MUX Break-Before-Make Interval
2.7V
≤ VCC ≤ 5.5V
100
ns
IS(OFF)
Channel Off Leakage Current
Channel at VCC and GND
–100
1
100
nA
The
denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 3)
A ALOG I PUT A D REFERE CE
U
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