LTC1410_15 Datasheet, PDF (3/16 Pages) Linear Technology – 12-Bit, 1.25Msps Sampling A/D Converter with Shutdown

LTC1410
DY A IC ACCURACY ^{The q denotes specifications which apply over the full operating temperature range,}
otherwise specifications are at T_A = 25°C. (Note 5)
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
S/(N + D) Signal-to-(Noise + Distortion) Ratio 100kHz Input Signal (Note 12)
q 70
72.5
dB
600kHz Input Signal (Note 12)
q 68
71.0
dB
THD
Total Harmonic Distortion
100kHz Input Signal, First 5 Harmonics
600kHz Input Signal, First 5 Harmonics
q
– 85
dB
– 82
– 74
dB
Peak Harmonic or Spurious Noise
600kHz Input Signal
q
– 84
– 74
dB
IMD
Intermodulation Distortion
Full Power Bandwidth
f_IN1 = 29.37kHz, f_IN2 = 32.446kHz
– 84
dB
20
MHz
Full Linear Bandwidth
(S/(N + D) ≥ 68dB)
2.5
MHz
UU
U
I TER AL REFERE CE CHARACTERISTICS The q denotes specifications which apply over the full
operating temperature range, otherwise specifications are at T_A = 25°C. (Note 5)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V_REF Output Voltage
I_OUT = 0
2.480 2.500 2.520
V
V_REF Output Tempco
I_OUT = 0
± 15
ppm/°C
V_REF Line Regulation
4.75V ≤ V_DD ≤ 5.25V
– 5.25V ≤ V_SS ≤ – 4.75V
0.01
LSB/ V
0.01
LSB/ V
V_REF Output Resistance
I_OUT ≤ 0.1mA
2
kΩ
COMP Output Voltage
I_OUT = 0
4.06
V
U
U
DIGITAL I PUTS A D DIGITAL OUTPUTS The q denotes specifications which apply over the full
operating temperature range, otherwise specifications are at T_A = 25°C. (Note 5)
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V_IH
High Level Input Voltage
V_DD = 5.25V
q 2.4
V
V_IL
Low Level Input Voltage
V_DD = 4.75V
q
0.8
V
I_IN
Digital Input Current
V_IN = 0V to V_DD
q
±10
µA
C_IN
Digital Input Capacitance
5
pF
V_OH
High Level Output Voltage
V_DD = 4.75V
I_O = – 10µA
I_O = – 200µA
4.5
V
q 4.0
V
V_OL
Low Level Output Voltage
V_DD = 4.75V
I_O = 160µA
I_O = 1.6mA
0.05
V
q
0.10
0.4
V
I_OZ
High-Z Output Leakage D11 to D0
V_OUT = 0V to V_DD, CS High
q
±10
µA
C_OZ
High-Z Output Capacitance D11 to D0 CS High (Note 9 )
q
15
pF
I_SOURCE Output Source Current
V_OUT = 0V
– 10
mA
I_SINK
Output Sink Current
V_OUT = V_DD
10
mA
WU
POWER REQUIRE E TS The q denotes specifications which apply over the full operating temperature range,
otherwise specifications are at T_A = 25°C. (Note 5)
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V_DD
Positive Supply Voltage
V_SS
Negative Supply Voltage
I_DD
Positive Supply Current
Nap Mode
Sleep Mode
I_SS
Negative Supply Current
Nap Mode
Sleep Mode
(Notes 10, 11)
(Note 10)
CS = RD = CONVST = 5V
SHDN = 0V, NAP/SLP = 5V
SHDN = 0V, NAP/SLP = 0V
CS = RD = CONVST = 5V
SHDN = 0V, NAP/SLP = 5V
SHDN = 0V, NAP/SLP = 0V
4.75
5.25
V
– 4.75
– 5.25
V
q
12
16
mA
1.5
2.3
mA
1
100
µA
q
20
30
mA
10
200
µA
1
100
µA
3