參數(shù)資料
型號: LTC1668
廠商: Linear Technology Corporation
英文描述: 16-Bit, 50Msps Differential Current OutputDAC(16位,50Msps,差分電流輸出數(shù)模轉(zhuǎn)換器)
中文描述: 16位,50 MSPS的差分電流OutputDAC(16位,50 MSPS的,差分電流輸出數(shù)模轉(zhuǎn)換器)
文件頁數(shù): 2/16頁
文件大小: 732K
代理商: LTC1668
2
LTC1668
LTC1668CG
LTC1668IG
T
JMAX
= 110
°
C,
θ
JA
= 100
°
C/W
ORDER PART
NUMBER
Consult factory for Military grade parts.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
G PACKAGE
28-LEAD PLASTIC SSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
DB13
DB12
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0 (LSB)
DB14
DB15 (MSB)
CLK
V
DD
DGND
V
SS
COMP2
COMP1
I
OUT A
I
OUT B
LADCOM
AGND
I
REFIN
REFOUT
The
G
denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25
°
C. V
DD
= 5V, V
SS
= –5V, LADCOM = AGND = DGND = 0V, I
OUTFS
= 10mA.
(Note 1)
Supply Voltage (V
DD
)................................................ 6V
Negative Supply Voltage (V
SS
) ............................... –6V
Total Supply Voltage (V
DD
to V
SS
) .......................... 12V
Digital Input Voltage ....................–0.3V to (V
DD
+ 0.3V)
Analog Output Voltage
(I
OUT A
and I
OUT B
) ........ (V
SS
– 0.3V) to (V
DD
+ 0.3V)
Power Dissipation............................................. 500mW
Operating Temperature Range
LTC1668C .............................................. 0
°
C to 70
°
C
LTC1668I........................................... –40
°
C to 85
°
C
Storage Temperature Range................ –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
SYMBOL
DC Accuracy (Measured at I
OUTA
, Driving a Virtual Ground)
Resolution
Monotonicity
INL
Integral Nonlinearity
DNL
Differential Nonlinearity
Offset Error
Offset Error Drift
GE
Gain Error
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
16
14
Bits
Bits
LSB
LSB
±
8
±
4
±
0.2
±
1
0.1
5
% FSR
ppm/
°
C
% FSR
% FSR
ppm/
°
C
ppm/
°
C
% FSR/V
% FSR/V
Internal Reference, R
IREFIN
= 2k
External Reference, V
REF
= 2.5V, R
IREFIN
= 2k
Internal Reference
External Reference
V
DD
= 5V
±
5%
V
SS
= –5V
±
5%
2
1
Gain Error Drift
75
50
PSRR
Power Supply Rejection Ratio
±
0.1
±
0.1
Analog Output
I
OUTFS
Full-Scale Output Current
Output Compliance Range
Output Resistance; R
IOUTA
, R
IOUTB
Output Capacitance
G
1
10
1
1.5
mA
I
FS
= 10mA
I
OUTA, B
to LADCOM
G
–1
0.7
V
G
1.1
5
k
pF
Reference Output
Reference Voltage
Reference Output Drift
Reference Output Load Regulation
REFOUT Tied to I
REFIN
Through 2k
2.475
2.5
25
6
2.525
V
ppm/
°
C
mV/mA
I
LOAD
= 0mA to 5mA
PACKAGE/ORDER U
U
W
ABSOLUTEW
W
W
U
ELECTRICAL CHARACTERISTICS
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