INL vs VDD
參數(shù)資料
型號(hào): DC1485A
廠商: Linear Technology
文件頁(yè)數(shù): 18/20頁(yè)
文件大?。?/td> 0K
描述: BOARD DAC LTC2757
軟件下載: QuikEval System
設(shè)計(jì)資源: DC1485A Design Files
DC1485A Schematic
標(biāo)準(zhǔn)包裝: 1
系列: QuikEval™, SoftSpan™
DAC 的數(shù)量: 1
位數(shù): 18
數(shù)據(jù)接口: 并聯(lián)
設(shè)置時(shí)間: 2.1µs
DAC 型: 電流
已供物品:
已用 IC / 零件: LTC2757
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LTC2757
7
2757f
TYPICAL PERFORMANCE CHARACTERISTICS
Settling Full-Scale Step
INL vs VDD
DNL vs VDD
Logic Threshold
vs Supply Voltage
Supply Current
vs Logic Input Voltage
Supply Current
vs Update Frequency
Mid-Scale Glitch (VDD = 3V)
LOGIC VOLTAGE (V)
01
0
I DD
(mA)
2
4
6
8
10
12
2345
2757 G16
VDD = 5V
VDD = 3V
ALL DIGITAL PINS
TIED TOGETHER
(EXCEPT READ
TIED TO GND)
VDD (V)
2.5
0.5
LOGIC
THRESHOLD
(V)
0.75
1
1.25
1.5
2
3
3.5
4
4.5
5
5.5
1.75
2757 G17
RISING
FALLING
UPD FREQUENCY (Hz)
10
SUPPLY
CURRENT
(μA)
10
100
100k
1
0.1
100
1k
10k
1M
1000
2757 G18
VDD = 5V
VDD = 3V
ALTERNATING ZERO-SCALE/FULL-SCALE
500ns/DIV
UPD
5V/DIV
GATED
SETTLING
WAVEFORM
100μV/DIV
(AVERAGED)
2757 G13
LT1468 AMP; CFEEDBACK = 20pF
0V TO 10V STEP
VREF = –10V; SPAN CODE = 000
tSETTLE = 1.8μs to 0.0004% (18 BITS)
VDD = 5V, V(RIN) = 5V, TA = 25°C, unless otherwise noted.
V(RIN) (V)
2.5
3.5
4
–1.0
INL
(LSB)
–0.8
–0.6
–0.2
–0.4
0.4
0.2
0
0.6
0.8
1.0
±10V RANGE
5
4.5
5.5
2757 G10
3
+INL
–INL
V(RIN) (V)
2.5
3.5
4
–1.0
DNL
(LSB)
–0.8
–0.6
–0.2
–0.4
0.4
0.2
0
0.6
0.8
1.0
±10V RANGE
5
4.5
5.5
2757 G11
3
+DNL
–DNL
Mid-Scale Glitch (VDD = 5V)
500ns/DIV
UPD
5V/DIV
VOUT
10mV/DIV
2757 G14
0V TO 5V RANGE
LT1468 OUTPUT AMPLIFIER
CFEEDBACK = 50pF
RISING MAJOR CARRY TRANSITION.
FALLING TRANSITION IS SIMILAR OR BETTER.
1.4nVs TYP
500ns/DIV
UPD
5V/DIV
VOUT
10mV/DIV
2757 G15
0V TO 5V RANGE
LT1468 OUTPUT AMPLIFIER
CFEEDBACK = 50pF
RISING MAJOR CARRY TRANSITION.
FALLING TRANSITION IS SIMILAR OR BETTER.
3nVs TYP
Multiplying Frequency Response
vs Digital Code
ALL BITS ON
ALL BITS OFF
FREQUENCY (Hz)
100
1k
10k
–140
ATTENUATION
(dB)
–100
–120
–60
–80
–40
–20
0
1M
100k
10M
2757 G12
0V TO 5V OUTPUT RANGE
LT1468 OUTPUT AMPLIFIER
CFEEDBACK = 15pF
D17
D16
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
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