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參數(shù)資料
| 型號： | LTC2621IDD-1#PBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 11/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC DAC 12BIT R-R 10-DFN |
| 標準包裝： | 121 |
| 設置時間： | 7µs |
| 位數(shù)： | 12 |
| 數(shù)據(jù)接口： | 串行 |
| 轉換器數(shù)目： | 1 |
| 電壓電源： | 單電源 |
| 功率耗散（最大）： | 1.88mW |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 10-WFDFN 裸露焊盤 |
| 供應商設備封裝： | 10-DFN（3x3） |
| 包裝： | 管件 |
| 輸出數(shù)目和類型： | 1 電壓，單極 |
| 采樣率（每秒）： | * |
| 產(chǎn)品目錄頁面： | 1351 (CN2011-ZH PDF) |
LTC2601/LTC2611/LTC2621
4
2601fb
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIL
Digital Input Low Voltage
VCC = 4.5V to 5.5V
VCC = 2.5V to 5.5V
l
0.8
0.6
V
VOH
Digital Output High Voltage
Load Current = –100μA
l VCC – 0.4
V
VOL
Digital Output Low Voltage
Load Current = +100μA
l
0.4
V
ILK
Digital Input Leakage
VIN = GND to VCC
l
±1
μA
CIN
Digital Input Capacitance
(Note 4)
l
8pF
ELECTRICAL CHARACTERISTICS The l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. REF = 4.096V (VCC = 5V), REF = 2.048V (VCC = 2.5V), VOUT unloaded,
unless otherwise noted. (Note 8)
The
l denotes the specications which apply over the full operating temperature range, otherwise specications are at TA = 25°C.
REF = 4.096V (VCC = 5V), REF = 2.048V (VCC = 2.5V), VOUT unloaded, unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
LTC2621/ LTC2621-1
LTC2611/ LTC2611-1
LTC2601/ LTC2601-1
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
AC Performance
tS
Settling Time (Note 6)
±0.024% (±1LSB at 12 Bits)
±0.006% (±1LSB at 14 Bits)
±0.0015% (±1LSB at 16 Bits)
77
9
7
9
10
μs
Settling Time for 1LSB Step
(Note 7)
±0.024% (±1LSB at 12 Bits)
±0.006% (±1LSB at 14 Bits)
±0.0015% (±1LSB at 16 Bits)
2.7
4.8
2.7
4.8
5.2
μs
Voltage Output Slew Rate
0.80
V/μs
Capacitive Load Driving
1000
pF
Glitch Impulse
At Midscale Transition
12
nV s
Multiplying Bandwidth
180
kHz
en
Output Voltage Noise
Density
At f = 1kHz
At f = 10kHz
120
100
120
100
120
100
nV/√Hz
Output Voltage Noise
0.1Hz to 10Hz
15
μVP-P
TIMING CHARACTERISTICS The l denotes the specications which apply over the full operating temperature
range, otherwise specications are at TA = 25°C. (See Figure 1) (Notes 4, 8)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCC = 2.5V to 5.5V
t1
SDI Valid to SCK Setup
l
4ns
t2
SDI Valid to SCK Hold
l
4ns
t3
SCK High Time
l
9ns
t4
SCK Low Time
l
9ns
t5
CS/LD Pulse Width
l
10
ns
t6
LSB SCK High to CS/LD High
l
7ns
t7
CS/LD Low to SCK High
l
7ns
t8
SDO Propagation Delay from SCK Falling Edge
CLOAD = 10pF
VCC = 4.5V to 5.5V
VCC = 2.5V to 5.5V
l
20
45
ns
t9
CLR Pulse Width
l
20
ns
t10
CS/LD High to SCK Positive Edge
l
7ns
t12
LDAC Pulse Width
l
15
ns
t13
CS/LD High to LDAC High or Low Transition
l
200
ns
SCK Frequency
50% Duty Cycle
l
50
MHz
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