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参数资料
| 型号： | DC1684A-B |
| 厂商： | Linear Technology |
| 文件页数： | 19/24页 |
| 文件大小： | 0K |
| 描述： | BOARD DAC LTC2752 |
| 软件下载： | QuikEval System |
| 设计资源： | DC1684A Design File DC1684A Schematic |
| 标准包装： | 1 |
| 系列： | QuikEval™, SoftSpan™ |
| DAC 的数量： | 2 |
| 位数： | 16 |
| 数据接口： | 串行，SPI? |
| 设置时间： | 2µs |
| DAC 型： | 电流 |
| 工作温度： | 0°C ~ 70°C |
| 已供物品： | 板 |
| 已用 IC / 零件： | LTC2752 |
| 相关产品： | DC590B-ND - BOARD DEMO USB SERIAL CONTROLLER LTC2752BILX#PBF-ND - IC DAC 16BIT DUAL CUR OUT 48LQFP LTC2752AILX#PBF-ND - IC DAC 16BIT DUAL CUR OUT 48LQFP LTC2752BCLX#PBF-ND - IC DAC 16BIT DUAL CUR OUT 48LQFP LTC2752ACLX#PBF-ND - IC DAC 16BIT DUAL CUR OUT 48LQFP |
LTC2752
2752f
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Power Supply
VDD
Supply Voltage
l
2.7
5.5
V
IDD
VDD Supply Current
Digital Inputs = 0V or VDD
l
0.5
1
μA
Digital Inputs
VIH
Digital Input High Voltage
3.3V ≤ VDD ≤ 5.5V
2.7V ≤ VDD < 3.3V
l
2.4
2
V
VIL
Digital Input Low Voltage
4.5V < VDD ≤ 5.5V
2.7V ≤ VDD ≤ 4.5V
l
0.8
0.6
V
Hysteresis Voltage
0.1
V
IIN
Digital Input Current
VIN = GND to VDD
l
±1
A
CIN
Digital Input Capacitance
VIN = 0V (Note 13)
l
6
pF
Digital Outputs
VOH
Digital Output High Voltage
IOH = 200A, 2.7V ≤ VDD ≤ 5.5V
l
VDD – 0.4
V
VOL
Digital Output Low Voltage
IOL = 200A, 2.7V ≤ VDD ≤ 5.5V
l
0.4
V
TiMing characTerisTics The
l
denotes specifications that apply over the full operating temperature range,
otherwise specifications are at TA = 25°C.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VDD = 4.5V to 5.5V
t1
SDI Valid to SCK Set-Up
l
7
ns
t2
SDI Valid to SCK Hold
l
7
ns
t3
SCK High Time
l
11
ns
t4
SCK Low Time
l
11
ns
t5
CS/LD Pulse Width
l
9
ns
t6
LSB SCK High to CS/LD High
l
4
ns
t7
CS/LD Low to SCK Positive Edge
l
4
ns
t8
CS/LD High to SCK Positive Edge
l
4
ns
t9
SRO Propagation Delay
CLOAD = 10pF
l
18
ns
t10
CLR Pulse Width Low
l
36
ns
t11
LDAC Pulse Width Low
l
15
ns
t12
CLR Low to RFLAG Low
CLOAD = 10pF (Note 13)
l
50
ns
t13
CS/LD High to RFLAG High
CLOAD = 10pF (Note 13)
l
40
ns
SCK Frequency
50% Duty Cycle (Note 14)
l
40
MHz
VDD = 2.7V to 3.3V
t1
SDI Valid to SCK Set-Up
l
9
ns
t2
SDI Valid to SCK Hold
l
9
ns
t3
SCK High Time
l
15
ns
t4
SCK Low Time
l
15
ns
t5
CS/LD Pulse Width
l
12
ns
t6
LSB SCK High to CS/LD High
l
5
ns
t7
CS/LD Low to SCK Positive Edge
l
5
ns
elecTrical characTerisTics V
DD = 5V, VRINX = 5V unless otherwise specified. The l denotes the
specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C.
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