ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full " />
參數(shù)資料
型號(hào): LTC1257CN8#PBF
廠商: Linear Technology
文件頁(yè)數(shù): 6/12頁(yè)
文件大?。?/td> 0K
描述: IC D/A CONV 12BIT VOLT OUT 8-DIP
標(biāo)準(zhǔn)包裝: 50
設(shè)置時(shí)間: 6µs
位數(shù): 12
數(shù)據(jù)接口: 串行
轉(zhuǎn)換器數(shù)目: 1
電壓電源: 單電源
功率耗散(最大): 1.75mW
工作溫度: 0°C ~ 70°C
安裝類(lèi)型: 通孔
封裝/外殼: 8-DIP(0.300",7.62mm)
供應(yīng)商設(shè)備封裝: 8-PDIP
包裝: 管件
輸出數(shù)目和類(lèi)型: 1 電壓,單極
采樣率(每秒): *
產(chǎn)品目錄頁(yè)面: 1350 (CN2011-ZH PDF)
LTC1257
3
1257fc
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = TMIN to TMAX. VCC = 4.75V to 15.75V, internal or external reference
(2.475V ≤ VREF ≤ VCC – 2.7V), unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
OFF
Offset Error
When Using Internal Reference, LTC1257C
When Using Internal Reference, LTC1257I
l
±8
±10
LSB
When Using External Reference, LTC1257C
When Using External Reference, LTC1257I
l
±4
±5
mV
OFFTC
Offset Error Tempco
When Using Internal Reference (Note 2)
When Using External Reference (Note 2)
l
±0.02
±15
±0.066
±30
LSB/°C
V/°C
Gain Error
l
0.5
±2
LSB
Gain Error Tempco
(Note 2)
l
±0.01
±0.02
LSB/°C
Reference
Reference Output Voltage
IREF = 0, LTC1257C
IREF = 0, LTC1257I
l
2.028
2.018
2.048
2.068
2.078
V
Reference Output Tempco
IREF = 0
l
±0.06
LSB/°C
Reference Line Regulation
IREF = 0, LTC1257C
IREF = 0, LTC1257I
l
±0.4
±0.7
LSB/V
Reference Load Regulation
0A ≤ IREF ≤ 100A
l
±1
LSB
Reference Input Range
VCC > VREF + 2.7V
l
2.475
12
V
Reference Input Resistance
l
8
14
18
Reference Input Capacitance
(Note 2)
15
pF
Short-Circuit Current
VREF Shorted to GND
l
90
mA
Power Supply
VCC
Positive Supply Voltage
For Specified Performance
l
4.75
15.75
V
ICC
Supply Current
4.75V ≤ VCC ≤ 5.25V
4.75V ≤ VCC ≤ 15.75V
l
350
800
600
1500
A
Op Amp DC Performance
Short-Circuit Current Low
VOUT Shorted to GND
l
60
mA
Short-Circuit Current High
VOUT Shorted to VCC
l
60
mA
Output Impedance to GND
Input Code = 0
l
250
500
Ω
AC Performance
Voltage Output Slew Rate
5kΩ in Parallel with 100pF
l
1.0
V/s
Voltage Output Settling Time
To ±1/2LSB, 5kΩ in Parallel with 100pF, VCC = 4.75V
6
s
Digital Feedthrough
(Notes 2, 3)
50
nV/s
Digital I/O
VIH
Digital Input High Voltage
l
2.4
V
VIL
Digital Input Low Voltage
l
0.8
V
VOH
Digital Output High Voltage
IOUT = –1mA, DOUT Only
l
VCC – 1
V
VOL
Digital Output Low Voltage
IOUT = 1mA, DOUT Only
l
0.4
V
ILEAK
Digital Input Leakage
VIN = GND to VCC
l
±10
A
CIN
Digital Input Capacitance
(Note 2)
l
10
pF
Switching (Note 2)
t1
DIN Valid to CLK Setup
l
100
ns
t2
DIN Valid to CLK Hold
l
25
ns
t3
CLK High Time
l
350
ns
t4
CLK Low Time
l
350
ns
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