参数资料
型号: LTC1662IMS8#TR
厂商: Linear Technology
文件页数: 13/16页
文件大小: 0K
描述: IC DAC 10BIT DUAL ULT LPWR 8MSOP
标准包装: 2,500
设置时间: 400µs
位数: 10
数据接口: 串行
转换器数目: 2
电压电源: 单电源
功率耗散(最大): 260µW
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
供应商设备封装: 8-MSOP
包装: 带卷 (TR)
输出数目和类型: 2 电压,单极
采样率(每秒): *
LTC1662
6
1662fa
typical perFormance characteristics
Gain Error vs Temperature
Load Regulation vs Output
Current at 5V
Load Regulation vs Output
Current at 3V
Output Amplifier Current Sourcing
Capability (Mid-Scale)
Output Amplifier Current Sinking
Capability (Mid-Scale)
Max/Min Output Voltage vs Source/
Sink Output Current (VCC = 5V)
Max/Min Output Voltage vs Source/
Sink Output Current (VCC = 3V)
Large-Signal Step Response
Output Minimum Series
Resistance vs Load Capacitance
TEMPERATURE (°C)
–55 –35 –15
5
25
45
65
85 105
GAIN
ERROR
(mV)
1662 G10
0
–1
–2
–3
–4
–5
VCC = 5V
VREF = 4.096V
IOUT (mA)
–5 –4 –3 –2 –1 0
1
2
3
4
5
V
OUT
(LSB)
1662 G11
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
VREF = VCC = 5V
VOUT = 2.5V
CODE = 512
TA = 25°C
SOURCE
SINK
IOUT (mA)
–1 –0.8–0.6–0.4–0.2 0 0.2 0.4 0.6 0.8 1
V
OUT
(LSB)
1662 G12
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
VREF = VCC = 3V
VOUT = 1.5V
CODE = 512
TA = 25°C
SOURCE
SINK
OUTPUT SOURCE CURRENT (A)
1
10
100
1m
10m
100m
V OUT
(V)
1662 G13
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
VREF = VCC
CODE = 512
TA = 25°C
VCC = 5.5V
VCC = 5V
VCC = 4.5V
VCC = 3.6V
VCC = 3V
VCC = 2.7V
OUTPUT SINK CURRENT (A)
1
10
100
1m
10m
100m
V OUT
(V)
1662 G14
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
VREF = VCC
CODE = 512
TA = 25°C
VCC = 5.5V
VCC = 5V
VCC = 4.5V
VCC = 3.6V
VCC = 3V
VCC = 2.7V
OUTPUT SOURCE/SINK CURRENT (mA)
V OUT
(V)
1662 G15
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
VREF = VCC
TA = 25°C
CODE = 1023
CODE = 0
OUTPUT SOURCE/SINK CURRENT (mA)
V OUT
(V)
1662 G16
3.0
2.7
2.4
2.1
1.8
1.5
1.2
0.9
0.6
0.3
0
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2
VREF = VCC
TA = 25°C
CODE = 1023
CODE = 0
TIME (0.5ms/DIV)
V OUT
(V)
1662 G17
5
4
3
2
1
0
VREF = VCC = 5V
10% TO 90% STEP
CAPACITANCE (F)
100p 1000p 0.01 0.1
1
10
100
MINIMUM
SERIES
RESISTANCE
()
1662 G18
180
160
140
120
100
80
60
40
20
0
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