參數(shù)資料
型號(hào): LTC1599C
廠商: Linear Technology Corporation
英文描述: 16-Bit Byte Wide, Low Glitch Multiplying DAC with 4-Quadrant Resistors
中文描述: 16位字節(jié)寬,4低毛刺乘法DAC象限電阻
文件頁數(shù): 3/20頁
文件大?。?/td> 254K
代理商: LTC1599C
3
LTC1599
Note 9:
V
REF
= 0V. DAC register contents changed from all 0s to all 1s or
all 1s to all 0s. LD high, WR and MLBYTE pulsed.
Note 10:
V
REF
= 6V
RMS
at 1kHz. DAC register loaded with all 1s.
R
L
= 600
. Unipolar mode op amp = LT1468.
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 0111 1111 1111 1111 to
1000 0000 0000 0000.
Note 13:
R1 and R2 are measured between R1 and R
COM
, R2 and R
COM
.
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2:
±
1LSB =
±
0.0015% of full scale =
±
15.3ppm of full scale.
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 0.0015% for a full-scale change, measured from the falling
edge of LD.
SYMBOL
Reference Input
R
REF
R1, R2
R
OFS
, R
FB
AC Performance (Note 4)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
DAC Input Resistance (Unipolar)
R1, R2 Resistance (Bipolar)
Feedback and Offset Resistances
(Note 6)
(Notes 6, 13)
(Note 6)
G
4.5
9
9
6
10
20
20
k
k
k
G
14
13.5
G
Output Current Settling Time
Midscale Glitch Impulse
Digital-to-Analog Glitch Impulse
Multiplying Feedthrough Error
Total Harmonic Distortion
Output Noise Voltage Density
Analog Outputs (Note 4)
C
OUT
Output Capacitance (Note 4)
(Notes 7, 8)
(Note 12)
(Note 9)
V
REF
=
±
10V, 10kHz Sine Wave
(Note 10)
(Note 11)
1
μ
s
1.5
1
1
108
10
nV-s
nV-s
mV
P-P
THD
dB
nV/
Hz
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
BWS
t
BWH
t
LD
t
CLR
t
LWD
Power Supply
V
CC
I
CC
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
MLBYTE to WR Setup Time
MLBYTE to WR Hold Time
LD Pulse Width
Clear Pulse Width
WR to LD Delay Time
G
80
0
80
0
0
150
150
0
20
–12
25
–12
–12
55
50
ns
ns
ns
ns
ns
ns
ns
ns
G
G
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
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
A
= 25
°
C. V
CC
= 5V
±
10%, V
REF
= 10V, I
OUT1
= I
OUT2F
= I
OUT2S
= DGND = 0V,
T
A
= T
MIN
to T
MAX
unless otherwise noted.
The
G
denotes the specifications which apply over the full operating
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