参数资料
型号: DC1546A
厂商: Linear Technology
文件页数: 26/28页
文件大小: 0K
描述: BOARD DAC LTC2754-16
软件下载: QuikEval System
设计资源: DC1546A Design Files
DC1546A Schematic
标准包装: 1
系列: QuikEval™, SoftSpan™
DAC 的数量: 4
位数: 16
数据接口: 串行,SPI?
设置时间: 2µs
DAC 型: 电流
已供物品:
已用 IC / 零件: LTC2754-16
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LTC2754
7
2754f
TYPICAL PERFORMANCE CHARACTERISTICS
Integral Nonlinearity (INL)
Differential Nonlinearity (DNL)
LTC2754-12
TA = 25°C, unless otherwise noted.
VDD (V)
2.5
0.5
LOGIC
THRESHOLD
(V)
0.75
1
1.25
1.5
2
3
3.5
4
4.5
5
5.5
1.75
2754 G14
RISING
FALLING
Logic Threshold
vs Supply Voltage
Supply Current
vs Logic Input Voltage
LTC2754
Supply Current
vs Clock Frequency
Midscale Glitch
Settling 0V to 10V
CODE
0
–1.0
INL
(LSB)
–0.8
–0.4
–0.2
0
1.0
0.4
1024
2048
2754 G11
–0.6
0.6
0.8
0.2
3072
4095
VDD = 5V
VREF = 5V
±10V RANGE
CODE
0
–1.0
DNL
(LSB)
–0.8
–0.4
–0.2
0
1.0
0.4
1024
2048
2754 G12
–0.6
0.6
0.8
0.2
3072
4095
VDD = 5V
VREF = 5V
±10V RANGE
DIGITAL INPUT VOLTAGE (V)
0
SUPPL
Y
CURRENT
(mA)
3
4
5
4
2754 G13
2
1
0
1
2
3
5
VDD = 5V
CLR, LDAC, SDI, SCK,
CS/LD TIED TOGETHER
VDD = 3V
SCK FREQUENCY (Hz)
1
0.0001
SUPPL
Y
CURRENT
(mA)
0.001
0.01
0.1
1
10
100
VDD = 5V
100
10k
1M
100M
2754 G15
VDD = 3V
Midscale Glitch
CS/LD
2V/DIV
VOUT
5mV/DIV
500ns/DIV
VDD = 3V
VREF = 5V
5V RANGE
LT1468 OUTPUT AMPLIFIER
CFEEDBACK = 27pF
2754 G16
0.26nVs TYP
CS/LD
5V/DIV
VOUT
5mV/DIV
500ns/DIV
VDD = 5V
VREF = 5V
5V RANGE
LT1468 OUTPUT AMPLIFIER
CFEEDBACK = 27pF
2754 G17
1.25nVs TYP
500ns/DIV
CS/LD
5V/DIV
GATED
SETTLING
WAVEFORM
250μV/DIV
2754 G17
USING LT1469 AMP
CFEEDBACK = 12pF
0V TO 10V STEP
RISING MAJOR CARRY TRANSITION.
FALLING TRANSITION IS SIMILAR OR BETTER
RISING MAJOR CARRY TRANSITION.
FALLING TRANSITION IS SIMILAR OR BETTER
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