LTC1403-1 Просмотр технического описания (PDF) - Linear Technology
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LTC1403-1 Datasheet PDF : 24 Pages
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LTC1407-1/LTC1407A-1
DY A IC ACCURACY The q denotes the specifications which apply over the full operating temperature range,
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Single ended signal
with VCM = 1.5V DC.
drive
CH0+/CH1+
with
SYMBOL PARAMETER
CONDITIONS
LTC1407-1
LTC1407A-1
MIN TYP MAX MIN TYP MAX
UNITS
SINAD
THD
Signal-to-Noise Plus
Distortion Ratio
Total Harmonic
Distortion
100kHz Input Signal (Note 19)
750kHz Input Signal (Note 19)
100kHz Input Signal, External VREF = 3.3V,
VDD ≥ 3.3V (Note 19)
750kHz Input Signal, External VREF = 3.3V,
VDD ≥ 3.3V (Note 19)
100kHz First 5 Harmonics (Note 19)
750kHz First 5 Harmonics (Note 19)
70.5
73.5
dB
q 68 70.5
70 73.5
dB
72.0
76.3
dB
72.0
76.3
dB
–87
q
–83 –77
– 90
dB
–86 –80
dB
SFDR
Spurious Free
Dynamic Range
100kHz Input Signal (Note 19)
750kHz Input Signal (Note 19)
–87
– 90
dB
–83
– 86
dB
IMD
Intermodulation
0.625VP-P 1.4MHz Summed with 0.625VP-P, 1.56MHz
–82
Distortion
into CH0+ and Inverted into CHO–. Also Applicable
to CH1+ and CH1–
– 82
dB
Code-to-Code
Transition Noise
VREF = 2.5V (Note 17)
0.25
1
LSBRMS
Full Power Bandwidth VIN = 2.5VP-P, SDO = 11585LSBP-P (–3dBFS) (Note 15)
50
Full Linear Bandwidth S/(N + D) ≥ 68dB
5
50
MHz
5
MHz
UU
U
I TER AL REFERE CE CHARACTERISTICS TA = 25°C. VDD = 3V.
PARAMETER
VREF Output Voltage
VREF Output Tempco
VREF Line Regulation
VREF Output Resistance
VREF Settling Time
CONDITIONS
IOUT = 0
VDD = 2.7V to 3.6V, VREF = 2.5V
Load Current = 0.5mA
MIN TYP MAX
UNITS
2.5
V
15
ppm/°C
600
µV/V
0.2
Ω
2
ms
DIGITAL I PUTS A D DIGITAL OUTPUTS The q denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at TA = 25°C. VDD = 3V.
SYMBOL
VIH
VIL
IIN
CIN
VOH
VOL
PARAMETER
High Level Input Voltage
Low Level Input Voltage
Digital Input Current
Digital Input Capacitance
High Level Output Voltage
Low Level Output Voltage
IOZ
COZ
ISOURCE
ISINK
Hi-Z Output Leakage DOUT
Hi-Z Output Capacitance DOUT
Output Short-Circuit Source Current
Output Short-Circuit Sink Current
CONDITIONS
VDD = 3.3V
VDD = 2.7V
VIN = 0V to VDD
VDD = 3V, IOUT = – 200µA
VDD = 2.7V, IOUT = 160µA
VDD = 2.7V, IOUT = 1.6mA
VOUT = 0V to VDD
VOUT = 0V, VDD = 3V
VOUT = VDD = 3V
MIN TYP MAX
q 2.4
q
0.6
q
± 10
5
q 2.5
2.9
0.05
q
0.10
0.4
q
± 10
1
20
15
UNITS
V
V
µA
pF
V
V
V
µA
pF
mA
mA
14071f
3
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