LTC1408-12
DY A IC ACCURACY
SYMBOL
SINAD
THD
SFDR
IMD
PARAMETER
Signal-to-Noise Plus
Distortion Ratio
Total Harmonic
Distortion
Spurious Free
Dynamic Range
Intermodulation
Distortion
Code-to-Code
Transition Noise
Full Power Bandwidth
Full Linear Bandwidth
The
●
denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at T
A
= 25°C. With internal reference, V
DD
= V
CC
= 3V.
CONDITIONS
100kHz Input Signal
300kHz Input Signal
100kHz First 5 Harmonics
300kHz First 5 Harmonics
100kHz Input Signal
300kHz Input Signal
0.625V
P-P
, 833kHz into CH0+, 0.625V
P-P
, 841kHz into CH0–.
Bipolar Mode. Also Applicable to Other Channels
V
REF
= 2.5V (Note 17)
V
IN
= 2.5V
P-P
, SDO = 11585LSB
P-P
(–3dBFS) (Note 15)
S/(N + D)
≥
68dB, Bipolar Differential Input
●
●
I TER AL REFERE CE CHARACTERISTICS
PARAMETER
V
REF
Output Voltage
V
REF
Output Tempco
V
REF
Line Regulation
V
REF
Output Resistance
V
REF
Settling Time
External V
REF
Input Range
CONDITIONS
I
OUT
= 0
DIGITAL I PUTS A D DIGITAL OUTPUTS
SYMBOL
V
IH
V
IL
I
IN
C
IN
V
OH
V
OL
I
OZ
C
OZ
I
SOURCE
I
SINK
PARAMETER
High Level Input Voltage
Low Level Input Voltage
Digital Input Current
Digital Input Capacitance
High Level Output Voltage
Low Level Output Voltage
Hi-Z Output Leakage D
OUT
Hi-Z Output Capacitance D
OUT
Output Short-Circuit Source Current
Output Short-Circuit Sink Current
V
OUT
= 0V, V
DD
= 3V
V
OUT
= V
DD
= 3V
CONDITIONS
V
DD
= 3.3V
V
DD
= 2.7V
V
IN
= 0V to V
DD
The
●
denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at T
A
= 25°C. V
DD
= V
CC
= 3V.
MIN
●
●
●
U
U
U
W U
U
MIN
70
–80
TYP
72
72
–90
–86
90
86
–80
0.2
50
5
MAX
UNITS
dB
dB
dB
dB
dB
dB
dB
LSB
RMS
MHz
MHz
U
T
A
= 25°C. V
DD
= V
CC
= 3V.
MIN
TYP
2.5
15
600
0.2
2
2.55
V
DD
MAX
UNITS
V
ppm/°C
µV/V
Ω
ms
V
V
DD
= 2.7V to 3.6V, V
REF
= 2.5V
Load Current = 0.5mA
C
REF
= 10µF
TYP
MAX
0.6
±10
UNITS
V
V
µA
pF
V
V
V
µA
pF
mA
mA
2.4
5
V
DD
= 3V, I
OUT
= – 200µA
V
DD
= 2.7V, I
OUT
= 160µA
V
DD
= 2.7V, I
OUT
= 1.6mA
V
OUT
= 0V and V
DD
●
●
●
2.5
2.9
0.05
0.4
±10
1
20
15
140812f
3
LINER [ LINEAR TECHNOLOGY ]
