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LTC2704
4
2704fd
ELECTRICAL CHARACTERISTICS
The
l denotes specications which apply over the full operating temperature range, otherwise specications are TA = 25°C,
V+1 = V+2 = 15V, V– = –15V, VDD = 5V, REF1 = REF2 = 5V, AGND = AGNDx = REFG1 = REFG2 = GND = 0V.
SYMBOL
PARAMETER
CONDITIONS
LTC2704-12
LTC2704-14
LTC2704-16
UNITS
MIN TYP
MAX
MIN TYP
MAX
MIN TYP MAX
SR
Slew Rate
RL= 2k, V+/V– = ±15V (Note 2)
RL= 2k, V+/V– = ±5V (Note 2)
l
2.2
2.0
3
2.8
2.2
2.0
3
2.8
2.2
2.0
3
2.8
V/μs
Capacitive Load
Driving
Within Maximum Load Current
1000
pF
The
l denotes specications which apply over the full operating
temperature range, otherwise specications are TA = 25°C, V+1 = V+2 = 15V, V– = –15V, VDD = 5V, REF1 = REF2 = 5V, AGND = AGNDx =
REFG1 = REFG2 = GND = 0V.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Reference Inputs
REF1, REF2 Input Voltage
V+/V– = ±15V, 0V to 5V Span (Note 2)
l
–14.5
14.5
V
Resistances
RREF1, RREF2
Reference Input Resistance
l
57
kΩ
RFBx
Output Feedback Resistance
l
710
kΩ
RVOSX
Offset Adjust Input Resistance
l
700
1000
kΩ
AC Performance (Note 4)
Glitch Impulse
0V to 5V Range, Midscale Transition
2
nV-s
Crosstalk
10V Step on VOUTA
DAC B: 0V to 5V Range, Full Scale
DAC B: 0V to 10V Range, Full Scale
2
3
nV-s
Digital Feedthrough
±10V Range, Midscale
0.2
nV-s
Multiplying Feedthrough Error
0V to 10V Range, VREF = ±5V, 10kHz Sine Wave
0.35
mVP-P
Multiplying Bandwidth
Span = 0V to 5V, Full Scale
Span = 0V to 10V, Full Scale
300
250
kHz
Output Noise Voltage Density
10kHz
Span = 0V to 5V, Midscale
Span = 0V to 10V, Midscale
30
50
nV/√Hz
Output Noise Voltage
0.1Hz to 10Hz
Span = 0V to 5V, Midscale
Span = 0V to 10V, Midscale
0.8
1.2
μVRMS
Power Supply
IDD
Supply Current, VDD
Digital Inputs = 0V or VDD
l
0.5
2
μA
IS
Supply Current, V+/V–
V+/V– = ±15V, ±10%; VREF = 5V, VOUT = 0V (Note 2)
V+/V– = ±5V, ±10%; VREF = 2V, VOUT = 0V (Note 2)
Sleep Mode—All DACs (Note 4)
l
17.5
17.0
20
18
1
mA
VDD
Logic Supply Voltage
l
2.7
5.5
V
V+1/V+2
Positive Analog Supply Voltage
l
4.5
16.5
V
V–
Negative Analog Supply Voltage
l
–16.5
–4.5
V
Digital Inputs/Outputs
VIH
Digital Input High Voltage
VDD = 2.7V to 5.5V
VDD = 2.7V to 3.3V
l
2.4
2.0
V
VIL
Digital Input Low Voltage
VDD = 2.7V to 5.5V
VDD = 4.5V to 5.5V
l
0.6
0.8
V
VOH
Digital Output High Voltage
IOH = 200μA
l VCC – 0.4
V
VOL
Digital Output Low Voltage
IOL = 200μA
l
0.4
V
IIN
Digital Input Current
l
0.001
±1
μA
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