参数资料
型号: DC1012A-B
厂商: Linear Technology
文件页数: 23/28页
文件大小: 0K
描述: BOARD DELTA SIGMA ADC LTC2497
软件下载: QuikEval System
设计资源: DC1012A Schematic
DC1012A Design File
标准包装: 1
系列: Easy Drive™, QuikEval™
ADC 的数量: 1
位数: 16
采样率(每秒): 7.5
数据接口: I²C,串行
已用 IC / 零件: LTC2497
已供物品:
相关产品: LTC2497CUHF#TRPBF-ND - IC ADC 16BIT W/PGA 38-QFN
LTC2497IUHF#TRPBF-ND - IC ADC 16BIT W/PGA 38-QFN
LTC2497IUHF#PBF-ND - IC ADC 16BIT W/PGA 38-QFN
LTC2497CUHF#PBF-ND - IC ADC 16BIT W/PGA 38-QFN
LTC2497
2497fa
i2c inpuTs anD DigiTal ouTpuTs The
l
denotes the 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
VIH
High Level Input Voltage
l
0.7VCC
V
VIL
Low Level Input Voltage
l
0.3VCC
V
VIHA
High Level Input Voltage for Address Pins CA0, CA1, CA2,
and Pin fO
l
0.95VCC
V
VILA
Low Level Input Voltage for Address Pins CA0, CA1, CA2
l
0.05VCC
V
RINH
Resistance from CA0, CA1, CA2 to VCC to Set Chip Address
Bit to 1
l
10
k
W
RINL
Resistance from CA0, CA1, CA2 to GND to Set Chip Address
Bit to 0
l
10
k
W
RINF
Resistance from CA0, CA1, CA2 to GND or VCC to Set Chip
Address Bit to Float
l
2
M
W
II
Digital Input Current
l
–10
10
A
VHYS
Hysteresis of Schmidt Trigger Inputs
(Note 5)
l
0.05VCC
V
VOL
Low Level Output Voltage (SDA)
I = 3mA
l
0.4
V
tOF
Output Fall Time VIH(MIN) to VIL(MAX)
Bus Load CB 10pF to
400pF (Note 14)
l
20 + 0.1CB
250
ns
IIN
Input Leakage
0.1VCC ≤ VIN ≤ VCC
l
1
A
CCAX
External Capacitative Load on Chip Address Pins (CA0, CA1,
CA2) for Valid Float
l
10
pF
power requireMenTs The
l
denotes the 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
VCC
Supply Voltage
l
2.7
5.5
V
ICC
Supply Current
Conversion Current (Note 11)
Sleep Mode (Note 11)
l
160
1
275
2
A
analog inpuT anD reFerence The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 3)
IDC_LEAK(IN–)
INDC Leakage Current
Sleep Mode, IN= GND
l
–10
1
10
nA
IDC_LEAK(REF+) REF+ DC Leakage Current
Sleep Mode, REF+ = VCC
l
–100
1
100
nA
IDC_LEAK(REF–) REFDC Leakage Current
Sleep Mode, REF= GND
l
–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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