参数资料
型号: LTC1297BCN8
厂商: Linear Technology
文件页数: 18/24页
文件大小: 0K
描述: IC DATA ACQ SYSTEM 12BIT 8-DIP
标准包装: 50
类型: 数据采集系统(DAS)
分辨率(位): 12 b
采样率(每秒): 60k
数据接口: 串行,并联
电压电源: 单电源
电源电压: 5V
工作温度: 0°C ~ 70°C
安装类型: 通孔
封装/外壳: 8-DIP(0.300",7.62mm)
供应商设备封装: 8-PDIP
包装: 管件
3
LTC1292/LTC1297
12927fb
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
fCLK
Clock Frequency
VCC = 5V (Note 6)
(Note 9)
1.0
MHz
tSMPL
Analog Input Sample Time
See Operating Sequence
LTC1292
1.5CLK
LTC1297
0.5CLK+5.5
s
tCONV
Conversion Time
See Operating Sequence
12
CLK
Cycles
tCYC
Total Cycle Time
See Operating Sequence
LTC1292
14CLK+2.5
s
(Note 6)
LTC1297
14CLK+6
s
tdDO
Delay Time, CLK
↓ to DOUT Data Valid
See Test Circuits
q
160
300
ns
tdis
Delay Time, CS
↑ to DOUT Hi-Z
See Test Circuits
q
80
150
ns
ten
Delay Time, CLK
↓ to DOUT Enabled
See Test Circuits
q
80
200
ns
thDO
Time Output Data Remains Valid After CLK
130
ns
tf
DOUT Fall Time
See Test Circuits
q
65
130
ns
tr
DOUT Rise Time
See Test Circuits
q
25
50
ns
tWHCLK
CLK High Time
VCC = 5V (Note 6)
300
ns
tWLCLK
CLK Low Time
VCC = 5V (Note 6)
400
ns
tsuCS
Setup Time, CS
↓ Before CLK↑
VCC = 5V (Note 6)
LTC1292
50
ns
(LTC1297 Wakeup Time)
LTC1297
5.5
s
tWHCS
CS High Time Between Data Transfer Cycles
VCC = 5V (Note 6)
LTC1292
2.5
s
LTC1297
0.5
s
tWLCS
CS Low Time During Data Transfer
VCC = 5V (Note 6)
LTC1292
14CLK
LTC1297
14CLK+ 5.5
s
CIN
Input Capacitance
Analog Inputs On Channel
100
pF
Analog Inputs Off Channel
5
pF
Digital Inputs
5
pF
AC CHARACTERISTICS
LTC1292B/LTC1297B
LTC1292C/LTC1297C
LTC1292D/LTC1297D
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIH
High Level Input Voltage
VCC = 5.25V
q
2.0
V
VIL
Low Level Input Voltage
VCC = 4.75V
q
0.8
V
IIH
High Level Input Current
VIN = VCC
q
2.5
A
IIL
Low Level Input Current
VIN = 0V
q
–2.5
A
VOH
High Level Output Voltage
VCC = 4.75V, IO = –10A
4.7
V
IO = 360A
q
2.4
4.0
V
VOL
Low Level Output Voltage
VCC = 4.75V, IO = 1.6mA
q
0.4
V
IOZ
High Z Output Leakage
VOUT = VCC, CS High
q
3
A
VOUT = 0V, CS High
q
–3
A
ISOURCE
Output Source Current
VOUT = 0V
–20
mA
ISINK
Output Sink Current
VOUT = VCC
20
mA
LTC1292B/LTC1297B
LTC1292C/LTC1297C
LTC1292D/LTC1297D
DIGITAL A D DC ELECTRICAL CHARACTERISTICS
U
The q denotes the specifications which
apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 3)
The q denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. (Note 3)
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