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参数资料
| 型号： | DC778A |
| 厂商： | Linear Technology |
| 文件页数： | 10/16页 |
| 文件大小： | 0K |
| 描述： | BOARD DAC LTC2602 |
| 软件下载： | QuikEval System |
| 设计资源： | DC778A Design File DC778A Schematic |
| 标准包装： | 1 |
| 系列： | QuikEval™ |
| DAC 的数量： | 2 |
| 位数： | 16 |
| 数据接口： | MICROWIRE?，串行，SPI? |
| 设置时间： | 10µs |
| DAC 型： | 电压 |
| 工作温度： | 0°C ~ 70°C |
| 已供物品： | 板 |
| 已用 IC / 零件： | LTC2602 |
| 相关产品： | LTC2602CMS8#PBF-ND - IC DAC 16BIT DUAL R-R VOUT 8MSOP LTC2602IMS8#PBF-ND - IC DAC 16BIT DUAL R-R VOUT 8MSOP LTC2602IMS8#TRPBF-ND - IC DAC 16BIT DUAL R-R VOUT 8MSOP LTC2602CMS8#TRPBF-ND - IC DAC 16BIT DUAL R-R VOUT 8MSOP LTC2602IMS8-ND - IC DAC 16BIT DUAL R-R VOUT 8MSOP LTC2602CMS8-ND - IC DAC 16BIT DUAL R-R VOUT 8MSOP LTC2602CMS8#TR-ND - IC DAC 16BIT DUAL R-R VOUT 8MSOP LTC2602IMS8#TR-ND - IC DAC 16BIT DUAL R-R VOUT 8MSOP |
3
LTC2602/LTC2612/LTC2622
2602fa
ELECTRICAL C
C
HARA TERISTICS The ● denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 2.5V to 5.5V, VREF ≤ VCC, VOUT unloaded, unless otherwise noted.
LTC2602/LTC2612/LTC2622
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
PSRR
Power Supply Rejection Ratio
VCC = 5V ±10%
–80
dB
ROUT
DC Output Impedance
VREF = VCC = 5V, Midscale; –15mA ≤ IOUT ≤ 15mA
●
0.05
0.15
VREF = VCC = 2.5V, Midscale; –7.5mA ≤ IOUT ≤ 7.5mA ●
0.05
0.15
DC Crosstalk (Note 4)
Due to Full Scale Output Change (Note 5)
±30
V
Due to Load Current Change
±16
V/mA
Due to Powering Down (per Channel)
±4
V
ISC
Short-Circuit Output Current
VCC = 5.5V, VREF = 5.5V
Code: Zero Scale; Forcing Output to VCC
●
15
34
60
mA
Code: Full Scale; Forcing Output to GND
●
15
38
60
mA
VCC = 2.5V, VREF = 2.5V
Code: Zero Scale; Forcing Output to VCC
●
7.5
20
50
mA
Code: Full Scale; Forcing Output to GND
●
7.5
28
50
mA
Reference Input
Input Voltage Range
●
0VCC
V
Resistance
Normal Mode
●
44
64
80
k
Capacitance
23
pF
IREF
Reference Current, Power Down Mode
All DACs Powered Down
●
0.001
1
A
Power Supply
VCC
Positive Supply Voltage
For Specified Performance
●
2.5
5.5
V
ICC
Supply Current
VCC = 5V (Note 3)
●
0.7
1.3
mA
VCC = 3V (Note 3)
●
0.6
1
mA
All DACs Powered Down (Note 3) VCC = 5V
●
0.35
1
A
All DACs Powered Down (Note 3) VCC = 3V
●
0.10
1
A
Digital I/O
VIH
Digital Input High Voltage
VCC = 2.5V to 5.5V
●
2.4
V
VCC = 2.5V to 3.6V
●
2.0
V
VIL
Digital Input Low Voltage
VCC = 4.5V to 5.5V
●
0.8
V
VCC = 2.7V to 5.5V
●
0.6
V
VCC = 2.5V to 5.5V
●
0.5
V
ILK
Digital Input Leakage
VIN = GND to VCC
●
±1
A
CIN
Digital Input Capacitance
(Note 6)
●
8pF
LTC2622
LTC2612
LTC2602
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
AC Performance
ts
Settling Time (Note 8)
±0.024% (±1LSB at 12 Bits)
7
s
±0.006% (±1LSB at 14 Bits)
9
s
±0.0015% (±1LSB at 16 Bits)
10
s
Settling Time for
±0.024% (±1LSB at 12 Bits)
2.7
s
1LSB Step (Note 9)
±0.006% (±1LSB at 14 Bits)
4.8
s
±0.0015% (±1LSB at 16 Bits)
5.2
s
Voltage Output Slew Rate
0.80
V/
s
Capacitive Load Driving
1000
pF
Glitch Impulse
At Midscale Transition
12
nV s
Multiplying Bandwidth
180
kHz
en
Output Voltage Noise
At f = 1kHz
120
nV/
√Hz
Density
At f = 10kHz
100
nV/
√Hz
Output Voltage Noise
0.1Hz to 10Hz
15
VP-P
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