LTC1590 查看數據表（PDF） - Linear Technology
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LTC1590 Datasheet PDF : 12 Pages
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LTC1590
ABSOLUTE MAXIMUM RATINGS
VCC to AGND ............................................... – 0.5V to 7V
VCC to DGND .............................................. – 0.5V to 7V
AGND to DGND ............................................. VCC + 0.5V
DGND to AGND ..............................................VCC + 0.5V
VREF to AGND ........................................................ ±25V
RFB to AGND .......................................................... ±25V
Digital Inputs to DGND ................... – 0.5V to VCC + 0.5V
VOUT1, VOUT2 to AGND .................... – 0.5V to VCC + 0.5V
Maximum Junction Temperature .......................... 150°C
Operating Temperature Range
LTC1590C................................................ 0°C to 70°C
LTC1590I ............................................ – 40°C to 85°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
PACKAGE/ORDER I FOR ATIO
TOP VIEW
VREF B 1
RFB B 2
OUT1 B 3
OUT2 B 4
OUT2 A 5
OUT1 A 6
AGND 7
RFB A 8
16 VCC
15 CLR
14 CLK
13 DIN
12 DOUT
11 CS/LD
10 DGND
9 VREF A
N PACKAGE
S PACKAGE
16-LEAD PDIP 16-LEAD PLASTIC SO
TJMAX = 150°C, θJA = 100°C/W (N)
TJMAX = 150°C, θJA = 150°C/W (S)
Consult factory for Military grade parts.
ORDER PART
NUMBER
LTC1590CN
LTC1590CS
LTC1590IN
LTC1590IS
ELECTRICAL CHARACTERISTICS
VCC = 4.5V to 5.5V, VREF = 10V, VOUT1 = VOUT2 = AGND = DGND = 0V, TA = TMIN to TMAX, unless otherwise noted.
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
Accuracy
Resolution
q
12
INL
Integral Nonlinearity
(Note 1)
q
DNL
Differential Nonlinearity
Guaranteed Monotonic, TMIN to TMAX
q
GE
Gain Error
(Note 2), TA = 25°C
TMIN to TMAX
q
Gain Temperature Coefficient
(Note 3) ∆Gain/∆Temperature
q
1
ILEAKAGE OUT1 A, OUT1 B Leakage Current
Zero-Scale Error
PSRR
Power Supply Rejection
Reference Input
(Note 4), TA = 25°C
TMIN to TMAX
TA = 25°C
TMIN to TMAX
VCC = 5V ±10%
q
q
q
±0.0001
RREF
VREF Input Resistance
VREFA, VREFB Input Resistance Match
AC Performance (Note 3)
q
8
11
q
Digital-to-Analog Glitch Impulse
(Notes 5, 6)
1
Multiplying Feedthrough Error
(Note 11)
– 89
Output Current Settling Time
(Note 5) To 0.01% for Full-Scale Change
0.3
Channel-to-Channel Isolation
(Note 7)
Digital Crosstalk
(Notes 5, 8)
1
Output Noise Voltage Density
(Note 9)
13
THD
Total Harmonic Distortion
(Note 10)
– 108
Multiplying Bandwidth
(Note 12)
1
MAX
± 0.5
± 0.5
±1
±2
5
±5
± 25
±0.03
±0.15
±0.002
15
3
– 80
0.8
– 90
– 92
UNITS
Bits
LSB
LSB
LSB
LSB
ppm/°C
nA
nA
LSB
LSB
%/%
kΩ
%
nV-s
dB
µs
dB
nV-s
nV/√Hz
dB
MHz
2
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