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參數(shù)資料
| 型號： | LTC1597ACG |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | DAC |
| 英文描述： | 14-Bit and 16-Bit Parallel Low Glitch Multiplying DACs with 4-Quadrant Resistors |
| 中文描述： | PARALLEL, WORD INPUT LOADING, 1 us SETTLING TIME, 16-BIT DAC, PDSO28 |
| 封裝： | PLASTIC, SSOP-28 |
| 文件頁數(shù)： | 4/20頁 |
| 文件大小： | 386K |
| 代理商： | LTC1597ACG |
4
LTC1591/LTC1597
ELECTRICAL CHARACTERISTICS
V
CC
= 5V
±
10%, V
REF
= 10V, I
OUT1
= AGND = DGND = 0V, T
A
= T
MIN
to T
MAX
, unless otherwise noted.
SYMBOL
Analog Outputs (Note 4)
C
OUT
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Output Capacitance (Note 4)
DAC Register Loaded to All 1s: C
OUT1
DAC Register Loaded to All 0s: C
OUT1
G
G
115
70
130
80
pF
pF
Digital Inputs
V
IH
V
IL
I
IN
C
IN
Timing Characteristics
t
DS
t
DH
t
WR
t
LD
t
CLR
t
LWD
Power Supply
V
DD
I
DD
Digital Input High Voltage
Digital Input Low Voltage
Digital Input Current
Digital Input Capacitance
G
2.4
V
V
G
0.8
±
1
8
G
0.001
μ
A
pF
(Note 4) V
IN
= 0V
G
Data to WR Setup Time
Data to WR Hold Time
WR Pulse Width
LD Pulse Width
Clear Pulse Width
WR to LD Delay Time
G
60
0
60
110
60
0
20
–12
25
55
40
ns
ns
ns
ns
ns
ns
G
G
G
G
G
Supply Voltage
Supply Current
G
4.5
5
5.5
10
V
Digital Inputs = 0V or V
CC
G
μ
A
The
G
denotes specifications that apply over the full operating temperature
range.
Note 1:
Absolute Maximum Values are those beyond which the life of a
device may be impaired.
Note 2:
±
1LSB =
±
0.006% of full scale =
±
61ppm of full scale for the
LTC1591/LTC1591-1.
±
1LSB =
±
0.0015% of full scale =
±
15.3ppm of full
scale for the LTC1597/LTC1597-1.
Note 3:
Using internal feedback resistor.
Note 4:
Guaranteed by design, not subject to test.
Note 5:
I
(OUT1)
with DAC register loaded to all 0s.
Note 6:
Typical temperature coefficient is 100ppm/
°
C.
Note 7:
I
OUT1
load = 100
in parallel with 13pF.
Note 8:
To 0.006% for a full-scale change, measured from the rising edge
of LD for the LTC1591/LTC1591-1. To 0.0015% for a full-scale change,
measured from the rising edge of LD for the LTC1597/LTC1597-1.
Note 9:
V
REF
= 0V. DAC register contents changed from all 0s to all 1s or
all 1s to all 0s.
Note 10:
V
REF
= 6V
RMS
at 1kHz. DAC register loaded with all 1s.
Note 11:
Calculation from e
n
=
√
4kTRB where: k = Boltzmann constant
(J/
°
K), R = resistance (
), T = temperature (
°
K), B = bandwidth (Hz).
Note 12:
Midscale transition code: 01 1111 1111 1111 to 10 0000 0000
0000 for the LTC1591/LTC1591-1 and 0111 1111 1111 1111 to 1000
0000 0000 0000 for the LTC1597/LTC1597-1.
Note 13:
R1 and R2 are measured between R1 and R
COM
, REF and R
COM
.
Note 14:
Measured using the LT1468 op amp in unipolar mode for I/V
converter and LT1468 I/V and LT1001 reference inverter in bipolar mode.
Sample Rate = 50kHz, Signal Frequency = 1kHz, V
REF
= 5V, T
A
= 25
°
C.
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