Техническая Спецификация для Linear Technology DC1082A-A - LTC1407A-1, 14-bit, 2-ch 3Msps SAR ADC (Bipolar, req DC890) DC1082A-A DC1082A-A
Модели
DC1082A-A
LTC1407/LTC1407A
3
1407fb
The
l
denotes the specifi cations which apply over the full operating temperature range,
otherwise specifi cations are at T
A
= 25°C. With internal reference, V
DD
= 3V.
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V
IN
Analog Differential Input Range (Notes 3, 9)
2.7V ≤ V
DD
≤ 3.3V
0 to 2.5
V
V
CM
Analog Common Mode + Differential
Input Range (Note 10)
Input Range (Note 10)
0 to V
DD
V
I
IN
Analog Input Leakage Current
l
1
μA
C
IN
Analog Input Capacitance
13
pF
t
ACQ
Sample-and-Hold Acquisition Time
(Note 6)
l
39
ns
t
AP
Sample-and-Hold Aperture Delay Time
1
ns
t
JITTER
Sample-and-Hold Aperture Delay Time Jitter
0.3
ps
t
SK
Sample-and-Hold Aperture Skew from CH0 to CH1
200
ps
CMRR
Analog Input Common Mode Rejection Ratio
f
IN
= 1MHz, V
IN
= 0V to 3V
f
IN
= 100MHz, V
IN
= 0V to 3V
–60
–15
–15
dB
dB
dB
ANALOG INPUT
DYNAMIC ACCURACY
The
l
denotes the specifi cations which apply over the full operating temperature range,
otherwise specifi cations are at T
A
= 25°C. With internal reference, V
DD
= 3V.
SYMBOL PARAMETER
CONDITIONS
LTC1407/LTC1407H
LTC1407A/LTC1407AH
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
SINAD
Signal-to-Noise Plus
Distortion Ratio
Distortion Ratio
100kHz Input Signal
750kHz Input Signal
750kHz Input Signal (H Grade)
100kHz Input Signal, External V
750kHz Input Signal
750kHz Input Signal (H Grade)
100kHz Input Signal, External V
REF
= 3.3V, V
DD
≥ 3.3V
750kHz Input Signal, External V
REF
= 3.3V, V
DD
≥ 3.3V
l
l
68
67
67
70.5
70.5
70.5
72.0
72.0
70.5
70.5
72.0
72.0
70
69
69
73.5
73.5
73.5
76.3
76.3
73.5
73.5
76.3
76.3
dB
dB
dB
dB
dB
dB
dB
dB
dB
THD
Total Harmonic
Distortion
Distortion
100kHz First 5 Harmonics
750kHz First 5 Harmonics
750kHz First 5 Harmonics (H Grade)
750kHz First 5 Harmonics
750kHz First 5 Harmonics (H Grade)
l
l
–87
–83
–82
–83
–82
–77
–76
–76
–90
–86
–85
–86
–85
–80
–79
–79
dB
dB
dB
dB
dB
SFDR
Spurious Free
Dynamic Range
Dynamic Range
100kHz Input Signal
750kHz Input Signal
750kHz Input Signal
87
83
83
90
86
86
dB
dB
dB
IMD
Intermodulation
Distortion
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
–82
dB
Code-to-Code
Transition Noise
Transition Noise
V
REF
= 2.5V (Note 17)
0.25
1
LSB
RMS
Full Power Bandwidth
V
IN
= 2.5V
P-P
, SDO = 11585LSB
P-P
(–3dBFS) (Note 15)
50
50
MHz
Full Linear Bandwidth
S/(N + D) ≥ 68dB
5
5
MHz
INTERNAL REFERENCE CHARACTERISTICS
T
A
= 25°C. V
DD
= 3V.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V
REF
Output Voltage
I
OUT
= 0
2.5
V
V
REF
Output Tempco
15
ppm/°C
V
REF
Line Regulation
V
DD
= 2.7V to 3.6V, V
REF
= 2.5V
600
μV/V
V
REF
Output Resistance
Load Current = 0.5mA
0.2
Ω
V
REF
Setting Time
2
ms