The q denotes specifications which apply over the full operat" />
參數(shù)資料
型號(hào): LTC1668IG
廠商: Linear Technology
文件頁數(shù): 19/24頁
文件大?。?/td> 0K
描述: IC DAC 16BIT 50MSPS 28SSOP
標(biāo)準(zhǔn)包裝: 47
設(shè)置時(shí)間: 20ns
位數(shù): 16
數(shù)據(jù)接口: 并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
電壓電源: 雙 ±
功率耗散(最大): 180mW
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 28-SSOP(0.209",5.30mm 寬)
供應(yīng)商設(shè)備封裝: 28-SSOP
包裝: 管件
輸出數(shù)目和類型: 2 電流,單極
采樣率(每秒): 50M
配用: DC245A-A-ND - BOARD EVAL LTC1668
4
LTC1666/LTC1667/LTC1668
The q denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VDD = 5V, VSS = – 5V, LADCOM = AGND = DGND = 0V, IOUTFS = 10mA.
ELECTRICAL CHARACTERISTICS
LTC1666/LTC1667/LTC1668
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Analog Output
IOUTFS
Full-Scale Output Current
q
110
mA
Output Compliance Range
IFS = 10mA
q
–1
1
V
Output Resistance; RIOUT A, RIOUT B
IOUT A, B to LADCOM
q
0.7
1.1
1.5
k
Output Capacitance
5pF
Reference Output
Reference Voltage
REFOUT Tied to IREFIN Through 2k
2.475
2.5
2.525
V
Reference Output Drift
25
ppm/
°C
Reference Output Load Regulation
ILOAD = 0mA to 5mA
6
mV/mA
Reference Input
Reference Small-Signal Bandwidth
IFS = 10mA, CCOMP1 = 0.1F
20
kHz
Power Supply
VDD
Positive Supply Voltage
q
4.75
5
5.25
V
VSS
Negative Supply Voltage
q
–4.75
–5
–5.25
V
IDD
Positive Supply Current
IFS = 10mA, fCLK = 25Msps, fOUT = 1MHz
q
35
mA
ISS
Negative Supply Current
IFS = 10mA, fCLK = 25Msps, fOUT = 1MHz
q
33
40
mA
PDIS
Power Dissipation
IFS = 10mA, fCLK = 25Msps, fOUT = 1MHz
180
mW
IFS = 1mA, fCLK = 25Msps, fOUT = 1MHz
85
mW
Dynamic Performance (Differential Transformer Coupled Output, 50
Double Terminated, Unless Otherwise Noted)
fCLOCK
Maximum Update Rate
q
50
75
Msps
tS
Output Settling Time
To 0.1% FSR
20
ns
tPD
Output Propagation Delay
8ns
Glitch Impulse
Single Ended
15
pV-s
Differential
5
pV-s
tr
Output Rise Time
4ns
tf
Output Fall Time
4ns
iNO
Output Noise
50
pA/
√Hz
Digital Inputs
VIH
Digital High Input Voltage
q
2.4
V
VIL
Digital Low Input Voltage
q
0.8
V
IIN
Digital Input Current
q
±10
A
CIN
Digital Input Capacitance
5pF
tDS
Input Setup Time
q
8ns
tDH
Input Hold Time
q
4ns
tCLKH
Clock High Time
q
5ns
tCLKL
Clock Low Time
q
8ns
Note 1: Absolute Maximum Ratings are those values beyond which the life
of the device may be impaired.
Note 2: For the LTC1666,
±1LSB = ±0.024% of full scale;
for the LTC1667,
±1LSB = ±0.006% of full scale = ±61ppm of full scale;
for the LTC1668,
±1LSB = ±0.0015% of full scale = ±15.3ppm of full scale.
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