参数资料
型号: DC1009A-A
厂商: Linear Technology
文件页数: 31/36页
文件大小: 0K
描述: BOARD DELTA SIGMA ADC LTC2492
软件下载: QuikEval System
设计资源: DC1009A Design File
DC1009A Schematic
标准包装: 1
系列: Easy Drive™, QuikEval™
ADC 的数量: 1
位数: 24
采样率(每秒): 7.5
数据接口: MICROWIRE?,串行,SPI?
已用 IC / 零件: LTC2492
已供物品:
相关产品: LTC2492CDE#TRPBF-ND - IC ADC 24BIT DELTA SIG 14-DFN
LTC2492IDE#TRPBF-ND - IC ADC 24BIT DELTA SIG 14-DFN
LTC2492IDE#PBF-ND - IC ADC 24BIT DELTA SIG 14-DFN
LTC2492CDE#PBF-ND - IC ADC 24BIT DELTA SIG 14-DFN
LTC2492
4
2492fd
DIGITAL INPUTS AND DIGITAL OUTPUTS The denotes the specications which apply over the
full operating temperature range, otherwise specications are at TA = 25°C. (Note 3)
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/224
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
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIH
High Level Input Voltage (CS, fO, SDI)
2.7V ≤ VCC ≤ 5.5V
VCC – 0.5
V
VIL
Low Level Input Voltage (CS, fO, SDI)
2.7V ≤ VCC ≤ 5.5V (Note 18)
0.5
V
VIH
High Level Input Voltage (SCK)
2.7V ≤ VCC ≤ 5.5V (Notes 10, 15)
VCC – 0.5
V
VIL
Low Level Input Voltage (SCK)
2.7V ≤ VCC ≤ 5.5V (Notes 10, 15)
0.5
V
IIN
Digital Input Current (CS, fO, SDI)
0V ≤ VIN ≤ VCC
–10
10
μA
IIN
Digital Input Current (SCK)
0V ≤ VIN ≤ VCC (Notes 10, 15)
–10
10
μA
CIN
Digital Input Capacitance (CS, fO, SDI)
10
pF
CIN
Digital Input Capacitance (SCK)
(Notes 10, 15)
10
pF
VOH
High Level Output Voltage (SDO)
IO = –800μA
VCC – 0.5
V
VOL
Low Level Output Voltage (SDO)
IO = 1.6mA
0.4
V
VOH
High Level Output Voltage (SCK)
IO = –800μA (Notes 10, 17)
VCC – 0.5
V
VOL
Low Level Output Voltage (SCK)
IO = 1.6mA (Notes 10, 17)
0.4
V
IOZ
Hi-Z Output Leakage (SDO)
–10
10
μA
POWER REQUIREMENTS 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
VCC
Supply Voltage
2.7
5.5
V
ICC
Supply Current
Conversion Current (Note 12)
Temperature Measurement (Note 12)
Sleep Mode (Note 12)
160
200
1
275
300
2
μA
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