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參數(shù)資料
| 型號： | LTC2622CMS8#PBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 11/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 12BIT DUAL R-R VOUT 8MSOP |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 設(shè)置時間： | 7µs |
| 位數(shù)： | 12 |
| 數(shù)據(jù)接口： | 串行 |
| 轉(zhuǎn)換器數(shù)目： | 2 |
| 電壓電源： | 單電源 |
| 功率耗散（最大）： | 6.5mW |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-TSSOP，8-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-MSOP |
| 包裝： | 管件 |
| 輸出數(shù)目和類型： | 2 電壓，單極 |
| 采樣率（每秒）： | * |
| 產(chǎn)品目錄頁面： | 1351 (CN2011-ZH PDF) |
4
LTC2602/LTC2612/LTC2622
2602fa
TYPICAL PERFOR A CE CHARACTERISTICS
UW
(LTC2602)
Integral Nonlinearity (INL)
Differential Nonlinearity (DNL)
INL vs Temperature
CODE
0
16384
32768
49152
65535
INL
(LSB)
2602 G20
32
24
16
8
0
–8
–16
–24
–32
VCC = 5V
VREF = 4.096V
CODE
0
16384
32768
49152
65535
DNL
(LSB)
2602 G21
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
VCC = 5V
VREF = 4.096V
TEMPERATURE (
°C)
–50
–30
–10
10
30
50
70
90
INL
(LSB)
2602 G22
32
24
16
8
0
–8
–16
–24
–32
VCC = 5V
VREF = 4.096V
INL (POS)
INL (NEG)
TI I G CHARACTERISTICS
U
W
The
● denotes specifications which apply over the full operating temperature
range, otherwise specifications are at TA = 25°C. (See Figure 1) (Note 6)
Note 1: Absolute maximum ratings are those values beyond which the life
of a device may be impaired.
Note 2: Linearity and monotonicity are defined from code kL to code
2N – 1, where N is the resolution and kL is given by kL = 0.016(2N/VREF),
rounded to the nearest whole code. For VREF = 4.096V and N = 16, kL =
256 and linearity is defined from code 256 to code 65,535.
Note 3: Digital inputs at 0V or VCC.
Note 4: DC crosstalk is measured with VCC = 5V and VREF = 4.096V, with
the measured DAC at midscale, unless otherwise noted.
Note 5: RL = 2k to GND or VCC at the output of the DAC not being tested.
Note 6: Guaranteed by design and not production tested.
Note 7: Inferred from measurement at code 256 (LTC2602), code 64
(LTC2612) or code 16 (LTC2622), and at fullscale.
Note 8: VCC = 5V, VREF = 4.096V. DAC is stepped 1/4 scale to 3/4 scale
and 3/4 scate to 1/4 scale. Load is 2k in parallel with 200pF to GND.
Note 9: VCC = 5V, VREF = 4.096V. DAC is stepped ±LBS between half scale
and half scale –1. Load is 2k in parallel with 200pF to GND.
LTC2602/LTC2612/LTC2622
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCC = 2.5V to 5.5V
t1
SDI Valid to SCK Setup
●
4ns
t2
SDI Valid to SCK Hold
●
4ns
t3
SCK High Time
●
9ns
t4
SCK Low Time
●
9ns
t5
CS/LD Pulse Width
●
10
ns
t6
LSB SCK High to CS/LD High
●
7ns
t7
CS/LD Low to SCK High
●
7ns
t10
CS/LD High to SCK Positive Edge
●
7ns
SCK Frequency
50% Duty Cycle
●
50
MHz
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