converTer characTerisTics The l" />
參數(shù)資料
型號: LTC2435CGN#TRPBF
廠商: Linear Technology
文件頁數(shù): 23/42頁
文件大小: 0K
描述: IC ADC DIFF I/REF 20BIT 16-SSOP
標準包裝: 2,500
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: 0°C ~ 70°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
LTC2435/LTC2435-1
3
24351fc
For more information www.linear.com/LTC2435
converTer characTerisTics The
l
denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Notes 3, 4)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Input Common Mode Rejection DC
2.5V ≤ REF+ ≤ VCC, REF= GND,
GND ≤ IN= IN+ ≤ VCC (Note 5)
110
120
dB
Input Common Mode Rejection
60Hz ±2% (LTC2435)
2.5V ≤ REF+ ≤ VCC, REF= GND,
GND ≤ IN= IN+ ≤ VCC, (Notes 5, 7)
140
dB
Input Common Mode Rejection
50Hz ±2% (LTC2435)
2.5V ≤ REF+ ≤ VCC, REF= GND,
GND ≤ IN= IN+ ≤ VCC, (Notes 5, 8)
140
dB
Input Normal Mode Rejection
60Hz ±2% (LTC2435)
(Notes 5, 7)
110
120
dB
Input Normal Mode Rejection
50Hz ±2% (LTC2435)
(Notes 5, 8)
110
120
dB
Input Common Mode Rejection
49Hz to 61.2Hz (LTC2435-1)
2.5V ≤ REF+ ≤ VCC, REF= GND,
GND ≤ IN= IN+ ≤ VCC, (Notes 5, 7)
120
dB
Input Normal Mode Rejection
49Hz to 61.2Hz (LTC2435-1)
FO = GND (Note 5)
87
dB
Input Normal Mode Rejection
External Clock fEOSC/2560 ±14%
External Oscillator (Note 5)
87
dB
Input Normal Mode Rejection
External Clock fEOSC/2560 ±4%
External Oscillator (Note 5)
110
120
dB
Reference Common Mode
Rejection DC
2.5V ≤ REF+ ≤ VCC, GND ≤ REF≤ 2.5V,
VREF = 2.5V, IN= IN+ = GND (Note 5)
130
140
dB
Power Supply Rejection, DC
REF+ = VCC, REF= GND, IN= IN+ = GND
100
dB
Power Supply Rejection, 60Hz ±2%
REF+ = 2.5V, REF= GND, IN= IN+ = GND, (Note 7)
120
dB
Power Supply Rejection, 50Hz ±2%
REF+ = 2.5V, REF= GND, IN= IN+ = GND, (Note 8)
120
dB
analog inpuT anD reFerence The
denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 3)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
IN+
Absolute/Common Mode IN+ Voltage
GND – 0.3V
VCC + 0.3V
V
IN
Absolute/Common Mode INVoltage
GND – 0.3V
VCC + 0.3V
V
VIN
Input Differential Voltage Range
(IN+ – IN)
–VREF/2
VREF/2
V
REF+
Absolute/Common Mode REF+ Voltage
0.1
VCC
V
REF
Absolute/Common Mode REFVoltage
GND
VCC – 0.1V
V
VREF
Reference Differential Voltage Range
(REF+ – REF)
0.1
VCC
V
CS (IN+)
IN+ Sampling Capacitance
1.5
pF
CS (IN)
INSampling Capacitance
1.5
pF
CS (REF+)
REF+ Sampling Capacitance
1.5
pF
CS (REF)
REFSampling Capacitance
1.5
pF
IDC_LEAK (IN+)
IN+ DC Leakage Current
CS = VCC, IN+ = GND
–10
1
10
nA
IDC_LEAK (IN)
INDC Leakage Current
CS = VCC, IN= VCC
–10
1
10
nA
IDC_LEAK (REF+)
REF+ DC Leakage Current
CS = VCC, REF+ = VCC
–10
1
10
nA
IDC_LEAK (REF)
REFDC Leakage Current
CS = VCC, REF= GND
–10
1
10
nA
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