CONVERTER CHARACTERISTICS The denotes the spe" />
參數(shù)資料
型號(hào): LTC2488CDE#PBF
廠商: Linear Technology
文件頁數(shù): 23/30頁
文件大?。?/td> 0K
描述: IC ADC 16BIT DELTA SIG 14-DFN
標(biāo)準(zhǔn)包裝: 91
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: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 14-WFDFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 14-DFN-EP(4x3)
包裝: 管件
輸入數(shù)目和類型: 4 個(gè)單端,雙極;2 個(gè)差分,雙極
配用: DC1009A-B-ND - BOARD DELTA SIGMA ADC LTC2488
LTC2488
3
2488fa
CONVERTER CHARACTERISTICS The denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. (Note 3)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Input Common Mode Rejection DC
2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN≤ VCC (Note 5)
140
dB
Input Common Mode Rejection 50Hz ±2%
2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN≤ VCC (Note 5)
140
dB
Input Common Mode Rejection 60Hz ±2%
2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN≤ VCC (Note 5)
140
dB
Input Normal Mode Rejection 50Hz ±2%
2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN≤ VCC (Notes 5, 7)
110
120
dB
Input Normal Mode Rejection 60Hz ±2%
2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN≤ VCC (Notes 5, 8)
110
120
dB
Input Normal Mode Rejection 50Hz/60Hz ±2%
2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN≤ VCC (Notes 5, 9)
87
dB
Reference Common Mode Rejection DC
2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN≤ VCC (Note 5)
120
140
dB
Power Supply Rejection DC
VREF = 2.5V, IN+ = IN= GND
120
dB
Power Supply Rejection, 50Hz ±2%
VREF = 2.5V, IN+ = IN= GND (Notes 7, 9)
120
dB
Power Supply Rejection, 60Hz ±2%
VREF = 2.5V, IN+ = IN= GND (Notes 8, 9)
120
dB
ANALOG INPUT AND REFERENCE The denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. (Note 3)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
IN+
Absolute/Common Mode IN+ Voltage
(IN+ Corresponds to the Selected Positive Input Channel)
GND – 0.3V
VCC + 0.3V
V
IN
Absolute/Common Mode INVoltage
(INCorresponds to the Selected Negative Input Channel)
GND – 0.3V
VCC + 0.3V
V
VIN
Input Differential Voltage Range (IN+ – IN)
–FS
+FS
V
FS
Full Scale of the Differential Input (IN+ – IN)
0.5VREF
V
LSB
Least Signicant Bit of the Output Code
FS/216
REF+
Absolute/Common Mode REF+ Voltage
0.1
VCC
V
REF
Absolute/Common Mode REFVoltage
GND
REF+ – 0.1V
V
VREF
Reference Voltage Range (REF+ – REF)
0.1
VCC
V
CS(IN+)
IN+ Sampling Capacitance
11
pF
CS(IN–)
INSampling Capacitance
11
pF
CS(VREF)
VREF Sampling Capacitance
11
pF
IDC_LEAK(IN+)
IN+ DC Leakage Current
Sleep Mode, IN+ = GND
–10
1
10
nA
IDC_LEAK(IN–)
INDC Leakage Current
Sleep Mode, IN= GND
–10
1
10
nA
IDC_LEAK(REF+) REF+ DC Leakage Current
Sleep Mode, REF+ = VCC
–100
1
100
nA
IDC_LEAK(REF–) REFDC Leakage Current
Sleep Mode, REF= GND
–100
1
100
nA
tOPEN
MUX Break-Before-Make
50
ns
QIRR
MUX Off Isolation
VIN = 2VP-P DC to 1.8MHz
120
dB
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