参数资料
型号: LTC1197IS8#TRPBF
厂商: Linear Technology
文件页数: 25/28页
文件大小: 0K
描述: IC A/DCONV 10BIT W/SHTDWN 8-SOIC
标准包装: 2,500
位数: 10
采样率(每秒): 500k
数据接口: MICROWIRE?,串行,SPI?
转换器数目: 1
功率耗散(最大): 25mW
电压电源: 单电源
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 带卷 (TR)
输入数目和类型: 1 个差分,单极
6
LTC1197/LTC1197L
LTC1199/LTC1199L
AC CHARACTERISTICS
The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
VCC = 5V, VREF = 5V, fCLK = fCLK(MAX) as defined in Recommended Operating Conditions, unless otherwise noted.
LTC1197
LTC1199
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
tCONV
Conversion Time (See Figures 1, 2)
q
1.4
s
fSMPL(MAX)
Maximum Sampling Frequency
q
500
450
kHz
tdDO
Delay Time, CLK
↑ to DOUT Data Valid CLOAD = 20pF
68
78
68
78
ns
q
100
ns
tdis
Delay Time, CS
↑ to DOUT Hi-Z
q
75
150
75
150
ns
ten
Delay Time, CLK
↓ to DOUT Enabled
CLOAD = 20pF
q
40
68
40
68
ns
thDO
Time Output Data Remains
CLOAD = 20pF
q
15
55
15
55
ns
Valid After CLK
tr
DOUT Rise Time
CLOAD = 20pF
q
10
20
10
20
ns
tf
DOUT Fall Time
CLOAD = 20pF
q
10
20
10
20
ns
CIN
Input Capacitance
Analog Input On Channel
20
pF
Analog Input Off Channel
5
pF
Digital Input
5
pF
LTC1197L
LTC1199L
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
tCONV
Conversion Time (See Figures 1, 2)
q
2.9
s
fSMPL(MAX)
Maximum Sampling Frequency
q
250
210
kHz
tdDO
Delay Time, CLK
↑ to DOUT Data Valid CLOAD = 20pF
130
180
130
180
ns
q
250
ns
tdis
Delay Time, CS
↑ to DOUT Hi-Z
q
120
250
120
250
ns
ten
Delay Time, CLK
↓ to DOUT Enabled
CLOAD = 20pF
q
100
200
100
200
ns
thDO
Time Output Data Remains
CLOAD = 20pF
q
30
120
30
120
ns
Valid After CLK
tr
DOUT Rise Time
CLOAD = 20pF
q
15
40
15
40
ns
tf
DOUT Fall Time
CLOAD = 20pF
q
15
40
15
40
ns
CIN
Input Capacitance
Analog Input On Channel
20
pF
Analog Input Off Channel
5
pF
Digital Input
5
pF
The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
VCC = 2.7V, VREF = 2.5V, fCLK = fCLK(MAX) as defined in Recommended Operating Conditions, unless otherwise noted.
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: All voltage values are with respect to GND.
Note 3: Integral nonlinearity is defined as deviation of a code from a
straight line passing through the actual endpoints of the transfer curve.
The deviation is measured from the center of the quantization band.
Note 4: Channel leakage current is measured after the channel selection.
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