LTC1402
U W
DYNAMIC ACCURACY
The ● denotes the specifications which apply over the full operating temperature range,
otherwise specifications are at TA = 25°C. Bipolar mode with ± 5V supplies and unipolar mode with 5V supply. (Note 5)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
S/(N + D)
Signal-to-Noise Plus
Distortion Ratio
100kHz Input Signal
1.1MHz Input Signal
72.5
72.0
dB
dB
●
●
69
THD
SFDR
IMD
Total Harmonic
Distortion
100kHz First 5 Harmonics, Bipolar Mode
1.1MHz First 5 Harmonics, Bipolar Mode
100kHz First 5 Harmonics, Unipolar Mode
1.1MHz First 5 Harmonics, Unipolar Mode
–89
–89
–87
–82
dB
dB
dB
dB
–74.5
Spurious Free
Dynamic Range
100kHz Input Signal, Bipolar Mode
1.1MHz Input Signal, Bipolar Mode
100kHz Input Signal, Unipolar Mode
1.1MHz Input Signal, Unipolar Mode
–93
–93
–93
–84
dB
dB
dB
dB
+
–
Intermodulation
Distortion
±1V 1.25MHz into A , 1.2MHz into A Bipolar Mode
–84
–84
dB
dB
IN
IN
+
–
1.5V to 3.5V 1.25MHz into A , 1.2MHz into A Unipolar Mode
IN
IN
Code-to-Code
V
REF
= 4.096V, 1LSB = 1mV
0.18
LSB
RMS
Transition Noise
Full Power Bandwidth
V
IN
= 4V , D
= 2828LSB (Note 18)
82
MHz
P-P OUT
P-P
Full Linear Bandwidth S/(N + D) ≥ 68dB Bipolar Mode
5.0
3.5
MHz
MHz
Unipolar Mode
U U
U
The ● denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5)
INTERNAL REFERENCE CHARACTERISTICS
PARAMETER CONDITIONS
= 0
MIN
TYP
4.096
15
MAX
UNITS
V
V
V
V
V
V
Output Voltage
Output Tempco
Line Regulation
Output Resistance
Settling Time
I
OUT
REF
REF
REF
REF
REF
ppm/°C
LSB/V
Ω
AV = 4.75V to 5.25V, V = 4.096V
DD
1
REF
Load Current = 0.5mA
2
2
ms
U
U
The ● denotes the specifications which apply over the
DIGITAL I PUTS A D DIGITAL OUTPUTS
full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V
V
High Level Input Voltage
Low Level Input Voltage
Digital Input Current
Digital Input Capacitance
High Level Output Voltage
V
V
V
= 5.25V
= 4.75V
= 0V to V
●
●
●
2.4
V
V
IH
IL
DD
DD
IN
0.8
I
±10
µA
pF
IN
DD
C
V
5
IN
OV = 4.75V, I
OV = 4.75V, I
OV = 3V, I
= –10µA
= –200µA
= –200µA
4.7
V
V
V
OH
DD
OUT
OUT
●
●
4
2.5
DD
2.9
DD
OUT
V
Low Level Output Voltage
V
V
= 4.75V, I
= 4.75V, I
= 160µA
= 1.6mA
0.05
0.10
V
V
OL
DD
DD
OUT
OUT
●
●
0.4
I
Hi-Z Output Leakage D
V
= 0V to V
DD
±10
µA
OZ
OUT
OUT
C
Hi-Z Output Capacitance D
15
pF
OZ
OUT
I
Output Short-Circuit Source Current
V
V
= 0V, OV = 5V
–40
–15
mA
mA
SOURCE
OUT
OUT
DD
= 0V, OV = 3V
DD
I
Output Short-Circuit Sink Current
V
= OV = 5V
40
mA
SINK
OUT
DD
3
Linear [ Linear ]
