The q denotes specifications which apply over the full operat" />
參數(shù)資料
型號： DC245A-A
廠商： Linear Technology
文件頁數(shù)： 18/24頁
文件大小： 0K
描述： BOARD EVAL LTC1668
設計資源： DC245A Design File
DC245A Schematic
標準包裝： 1
DAC 的數(shù)量： 1
位數(shù)： 16
采樣率（每秒）： 50M
數(shù)據(jù)接口： 并聯(lián)
設置時間： 20ns
DAC 型： 電流
工作溫度： 0°C ~ 70°C
已供物品： 板
已用 IC / 零件： LTC1668
相關產品： LTC1668CG#PBF-ND - IC DAC 16BIT 50MSPS 28-SSOP
LTC1668IG#PBF-ND - IC D/A CONV 16BIT 50MSPS 28-SSOP
LTC1668CG#TRPBF-ND - IC D/A CONV 16BIT 50MSPS 28-SSOP
LTC1668IG#TRPBF-ND - IC D/A CONV 16BIT 50MSPS 28-SSOP
LTC1668IG-ND - IC DAC 16BIT 50MSPS 28SSOP
LTC1668IG#TR-ND - IC DAC 16BIT 50MSPS 28SSOP
LTC1668CG#TR-ND - IC DAC 16BIT 50MSPS 28SSOP
LTC1668CG-ND - IC D/A CONV 16BIT 50MSPS 28-SSOP
3
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
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
DC Accuracy (Measured at IOUT A, Driving a Virtual Ground)
Resolution
q
12
14
16
Bits
Monotonicity
12
14
Bits
INL
Integral Nonlinearity
(Note 2)
±1
±2
±8
LSB
DNL
Differential Nonlinearity
(Note 2)
±1
±4
LSB
Offset Error
0.1
±0.2
0.1
±0.2
0.1
±0.2
% FSR
Offset Error Drift
5
ppm/
°C
GE
Gain Error
Internal Reference, RIREFIN = 2k
2
% FSR
External Reference,
1
% FSR
VREF = 2.5V, RIREFIN = 2k
Gain Error Drift
Internal Reference
50
ppm/
°C
External Reference
30
ppm/
°C
PSRR
Power Supply
VDD = 5V ±5%
±0.1
±0.1 % FSR/V
Rejection Ratio
VSS = – 5V ±5%
±0.2
±0.2 % FSR/V
AC Linearity
SFDR
Spurious Free Dynamic
fCLK = 25Msps, fOUT = 1MHz
Range to Nyquist
0dB FS Output
76
78
87
dB
– 6dB FS Output
87
dB
–12dB FS Output
83
dB
fCLK = 50Msps, fOUT = 1MHz
85
dB
fCLK = 50Msps, fOUT = 2.5MHz
81
dB
fCLK = 50Msps, fOUT = 5MHz
79
dB
fCLK = 50Msps, fOUT = 20MHz
70
dB
Spurious Free Dynamic
fCLK = 25Msps,
85
86
96
dB
Range Within a Window
fOUT = 1MHz, 2MHz Span
fCLK = 50Msps,
88
dB
fOUT = 5MHz, 4MHz Span
THD
Total Harmonic Distortion fCLK = 25Msps, fOUT = 1MHz
–75
–77
– 84
– 77
dB
fCLK = 50Msps, fOUT = 5MHz
– 78
dB
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