Datasheet

LTM9012
3
9012f
converTer characTerisTics
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. (Note 6)
PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution (No Missing Codes)
l
14 Bits
Integral Linearity Error Differential Analog Input (Note 7)
l
–5 ±1.2 5 LSB
Differential Linearity Error Differential Analog Input
l
–0.9 ±0.3 0.9 LSB
Offset Error (Note 8)
l
–37 ±3 37 mV
Gain Error Internal Reference
External Reference
l
–3.6
–1.3
–1.3 3.0
%FS
%FS
Offset Drift ±20 µV/°C
Full-Scale Drift Internal Reference
External Reference
±35
±25
ppm/°C
ppm/°C
Gain Matching External Reference ±0.2 %FS
Offset Matching ±3 mV
Transition Noise External Reference 1.2 LSB
RMS
analog inpuT
The l denotes the specifications which apply over the full operating temperature range, otherwise
specifications are at T
A
= 25°C. (Note 6)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IN
Differential Analog Input Range (CH
+
– CH
–
)
at –1dBFS
LTM9012-AB
l
0.2 V
P-P
V
IN(CM)
Analog Input Common Mode (CH
+
+ CH
–
)/2 Differential Analog Input (Note 9) 0 to 1.5 V
V
SENSE
External Voltage Reference Applied to SENSE External Reference Mode
l
0.625 1.250 1.300 V
R
IN
Differential Input Resistance LTM9012-AB 100 Ω
I
IN(P/S)
Input Leakage Current 0 < PAR/SER < V
DD
l
–3 3 µA
I
IN(SENSE)
Input Leakage Current 0.625V < SENSE < 1.3V
l
–6 6 µA
t
AP
Sample-and-Hold Acquisition Delay Time 0 ns
t
JITTER
Sample-and-Hold Acquisition Delay Jitter 0.15 ps
RMS
CMRR Analog Input Common Mode Rejection Ratio 90 dB
BW-3dB 3dB Corner of Internal Lowpass Filter 90 MHz
DynaMic accuracy
The l denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at T
A
= 25°C. (Note 6)
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
SNR Signal-to-Noise Ratio 70MHz Input
l
66.5 68.3 dBFS
SFDR Spurious Free Dynamic Range
2nd or 3rd Harmonic
70MHz Input
l
66.9 78 dBFS
Spurious Free Dynamic Range
4th Harmonic or Higher
70MHz Input
l
76.9 86 dBFS
S/N+D Signal-to-Noise Plus Distortion Ratio 70MHz Input
l
64.7 66.7 dBFS
Crosstalk, Near Channel 10MHz (Note 12) 70 dBc
Crosstalk, Far Channel 10MHz (Note 12) 90 dBc