LTC1408 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC1408' PDF : 20 Pages View PDF
LTC1408
DY A IC ACCURACY The ● denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. With internal reference, VDD = 3V, VDD = VCC = 3V.
SYMBOL PARAMETER
CONDITIONS
MIN
SINAD
THD
Signal-to-Noise Plus
Distortion Ratio
Total Harmonic
Distortion
100kHz Input Signal
300kHz Input Signal
100kHz Input Signal, External VREF = 3.3V, VDD ≥ 3.3V
300kHz Input Signal, External VREF = 3.3V, VDD ≥ 3.3V
100kHz First 5 Harmonics
300kHz First 5 Harmonics
● 73
● –80
SFDR
Spurious Free
Dynamic Range
100kHz Input Signal
300kHz Input Signal
IMD
Intermodulation
0.625VP-P, 833kHz into CH0+, 0.625VP-P, 841kHz into CH0–.
Distortion
Bipolar Mode. Also Applicable to Other Channels
Code-to-Code
Transition Noise
VREF = 2.5V (Note 17)
Full Power Bandwidth VIN = 2.5VP-P, SDO = 11585LSBP-P (–3dBFS) (Note 15)
Full Linear Bandwidth S/(N + D) ≥ 68dB, Bipolar Differential Input
UU
U
I TER AL REFERE CE CHARACTERISTICS TA = 25°C. VDD = VCC = 3V.
TYP
MAX UNITS
76
dB
76
dB
79
dB
79
dB
–90
dB
–86
dB
90
dB
86
dB
–80
dB
0.7
LSBRMS
50
MHz
5
MHz
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 ● denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at TA = 25°C. VDD = VCC = 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 and VDD
VOUT = 0V, VDD = 3V
VOUT = VDD = 3V
MIN TYP MAX
● 2.4
●
0.6
●
± 10
5
● 2.5
2.9
0.05
●
0.4
●
± 10
1
20
15
UNITS
V
V
µA
pF
V
V
V
µA
pF
mA
mA
1408fa
3
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