![](http://datasheet.mmic.net.cn/Linear-Technology/LTC1402IGN-TRPBF_datasheet_101439/LTC1402IGN-TRPBF_3.png)
3
LTC1402
The q 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
100kHz Input Signal
72.5
dB
Distortion Ratio
1.1MHz Input Signal
q
69
72.0
dB
THD
Total Harmonic
100kHz First 5 Harmonics, Bipolar Mode
–89
dB
Distortion
1.1MHz First 5 Harmonics, Bipolar Mode
q
–89
–74.5
dB
100kHz First 5 Harmonics, Unipolar Mode
–87
dB
1.1MHz First 5 Harmonics, Unipolar Mode
–82
dB
SFDR
Spurious Free
100kHz Input Signal, Bipolar Mode
–93
dB
Dynamic Range
1.1MHz Input Signal, Bipolar Mode
–93
dB
100kHz Input Signal, Unipolar Mode
–93
dB
1.1MHz Input Signal, Unipolar Mode
–84
dB
IMD
Intermodulation
±1V 1.25MHz into AIN+, 1.2MHz into AIN– Bipolar Mode
–84
dB
Distortion
1.5V to 3.5V 1.25MHz into AIN+, 1.2MHz into AIN– Unipolar Mode
–84
dB
Code-to-Code
VREF = 4.096V, 1LSB = 1mV
0.18
LSBRMS
Transition Noise
Full Power Bandwidth
VIN = 4VP-P, DOUT = 2828LSBP-P (Note 18)
82
MHz
Full Linear Bandwidth
S/(N + D)
≥ 68dB Bipolar Mode
5.0
MHz
Unipolar Mode
3.5
MHz
DYNAMIC ACCURACY
U
W
The q denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5)
INTERNAL REFERENCE CHARACTERISTICS
UU
U
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VREF Output Voltage
IOUT = 0
4.096
V
VREF Output Tempco
15
ppm/
°C
VREF Line Regulation
AVDD = 4.75V to 5.25V, VREF = 4.096V
1
LSB/V
VREF Output Resistance
Load Current = 0.5mA
2
VREF Settling Time
2ms
The q denotes the specifications which apply over the
full operating temperature range, otherwise specifications are at TA = 25°C. (Note 5)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIH
High Level Input Voltage
VDD = 5.25V
q
2.4
V
VIL
Low Level Input Voltage
VDD = 4.75V
q
0.8
V
IIN
Digital Input Current
VIN = 0V to VDD
q
±10
A
CIN
Digital Input Capacitance
5pF
VOH
High Level Output Voltage
OVDD = 4.75V, IOUT = – 10A
4.7
V
OVDD = 4.75V, IOUT = – 200A
q
4V
OVDD = 3V, IOUT = – 200A
q
2.5
2.9
V
VOL
Low Level Output Voltage
VDD = 4.75V, IOUT = 160A
0.05
V
VDD = 4.75V, IOUT = 1.6mA
q
0.10
0.4
V
IOZ
Hi-Z Output Leakage DOUT
VOUT = 0V to VDD
q
±10
A
COZ
Hi-Z Output Capacitance DOUT
15
pF
ISOURCE
Output Short-Circuit Source Current
VOUT = 0V, OVDD = 5V
– 40
mA
VOUT = 0V, OVDD = 3V
– 15
mA
ISINK
Output Short-Circuit Sink Current
VOUT = OVDD = 5V
40
mA
DIGITAL I PUTS A D DIGITAL OUTPUTS
U