参数资料
型号: LTC1197IS8#TRPBF
厂商: Linear Technology
文件页数: 28/28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
9
LTC1197/LTC1197L
LTC1199/LTC1199L
Linearity vs Temperature
TEMPERATURE (
°C)
–55
– 30
0
LINEARITY
ERROR
(LSBs)
0.2
0.5
– 5
45
70
1197/99 G19
0.1
0.4
0.3
20
95
120
VCC = 5V
VREF = 5V
fCLK = 7.2MHz
Gain Error vs Temperature
TEMPERATURE (
°C)
–55
– 30
– 1.0
– 1.2
– 1.4
GAIN
ERROR
(LSBs)
0
– 5
45
70
1197/99 G21
– 0.2
– 0.4
– 0.6
– 0.8
20
95
120
VCC = 5V
VREF = 5V
fCLK = 7.2MHz
Offset vs Temperature
TEMPERATURE (
°C)
–55
– 30
– 1.0
OFFSET
VOLTAGE
(LSBs)
0
– 5
45
70
1197/99 G20
– 0.2
– 0.3
– 0.4
– 0.5
– 0.6
– 0.7
– 0.8
– 0.9
– 0.1
20
95
120
VCC = 5V
VREF = 5V
fCLK = 7.2MHz
*As the CLK frequency is decreased from 2MHz, minimum CLK frequency (
error ≤ 0.1LSB)
represents the frequency at which a 0.1LSB shift in any code translation from its 2MHz value
is first detected.
Maximum CLK frequency represents the clock frequency at which a 0.1LSB shift in the error
at any code transition from its 3.5MHz value is first detected.
Acquisition Time
vs Source Resistance
Maximum Clock Frequency
vs Supply Voltage
Maximum Clock Frequency
vs Source Resistance
SOURCE RESISTANCE (
)
100
1000
0.1
ACQUISITION
TIME
(
s)
1
10
100
10000
1197/99 G25
VCC = VREF = 5V
TA = 25°C
+ INPUT
RSOURCE
+
VIN
COM
SUPPLY VOLTAGE (V)
0
MAXIMUM
CLOCK
FREQUENCY
(MHz)
6
8
10
11
8
1197/99 G26
4
2
5
7
9
3
1
0
2
4
6
19
3
5
7
10
VREF = 2.5V
TA = 25°C
SOURCE RESISTANCE (
)
100
MAXIMUM
CLOCK
FREQUENCY
(kHz)
1000
10000
1000
10000
1197/99 G27
VREF = VCC = 5V
TA = 25°C
+ INPUT
RSOURCE
VIN
– INPUT
TEMPERATURE (
°C)
–55
0.1
MINIMUM
CLOCK
FREQUENCY
(kHz)
1
10
100
1000
– 35 – 15
5
25
1197/99 G22
45
65
85 105 125
VREF = 5V
VCC = 5V
Minimum Clock Frequency for
0.1LSB Error* vs Temperature
Digital Input Threshold
vs Supply Voltage
Input Channel Leakage Current
vs Temperature
SUPPLY VOLTAGE (V)
0
LOGIC
THRESHOLD
(V)
3
4
5
8
1197/99 G23
2
1
0
2
4
6
10
TA = 25°C
TEMPERATURE (
°C)
0
LEAKAGE
CURRENT
(nA)
1
10
100
1197/99 G24
0.1
0.01
0.001
25
50
75
125
VREF = 5V
VCC = 5V
ON CHANNEL
OFF CHANNEL
TYPICAL PERFOR A CE CHARACTERISTICS
UW
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