LTC1407/LTC1407A
3
1407fb
The
l denotes the specications which apply over the full operating temperature range,
otherwise specications are at TA = 25°C. With internal reference, VDD = 3V.
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Analog Differential Input Range (Notes 3, 9)
2.7V ≤ VDD ≤ 3.3V
0 to 2.5
V
VCM
Analog Common Mode + Differential
Input Range (Note 10)
0 to VDD
V
IIN
Analog Input Leakage Current
l
1μA
CIN
Analog Input Capacitance
13
pF
tACQ
Sample-and-Hold Acquisition Time
(Note 6)
l
39
ns
tAP
Sample-and-Hold Aperture Delay Time
1
ns
tJITTER
Sample-and-Hold Aperture Delay Time Jitter
0.3
ps
tSK
Sample-and-Hold Aperture Skew from CH0 to CH1
200
ps
CMRR
Analog Input Common Mode Rejection Ratio
fIN = 1MHz, VIN = 0V to 3V
fIN = 100MHz, VIN = 0V to 3V
–60
–15
dB
ANALOG INPUT
DYNAMIC ACCURACY The l denotes the specications which apply over the full operating temperature range,
otherwise specications are at TA = 25°C. With internal reference, VDD = 3V.
SYMBOL PARAMETER
CONDITIONS
LTC1407/LTC1407H
LTC1407A/LTC1407AH
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
SINAD
Signal-to-Noise Plus
Distortion Ratio
100kHz Input Signal
750kHz Input Signal
750kHz Input Signal (H Grade)
100kHz Input Signal, External VREF = 3.3V, VDD ≥ 3.3V
750kHz Input Signal, External VREF = 3.3V, VDD ≥ 3.3V
l
68
67
70.5
72.0
70
69
73.5
76.3
dB
THD
Total Harmonic
Distortion
100kHz First 5 Harmonics
750kHz First 5 Harmonics
750kHz First 5 Harmonics (H Grade)
l
–87
–83
–82
–77
–76
–90
–86
–85
–80
–79
dB
SFDR
Spurious Free
Dynamic Range
100kHz Input Signal
750kHz Input Signal
87
83
90
86
dB
IMD
Intermodulation
Distortion
1.25V to 2.5V 1.40MHz into CH0+, 0V to 1.25V,
1.56MHz into CH0–. 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
MHz
Full Linear Bandwidth
S/(N + D) ≥ 68dB
5
MHz
INTERNAL REFERENCE CHARACTERISTICS T
A = 25°C. VDD = 3V.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VREF Output Voltage
IOUT = 0
2.5
V
VREF Output Tempco
15
ppm/°C
VREF Line Regulation
VDD = 2.7V to 3.6V, VREF = 2.5V
600
μV/V
VREF Output Resistance
Load Current = 0.5mA
0.2
Ω
VREF Setting Time
2ms