Linear Technology LTM9004, Руководство пользователя

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LTM9004
5
9004fa
For more information www.linear.com/LTM9004
converTer characTerisTics
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution (No Missing Codes)
l
14 Bits
Integral Linearity Error (Note 4) Differential Analog Input ±1.5 LSB
Differential Linearity Error Differential Analog Input ±1 LSB
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. Unless otherwise noted, V
CC1
= V
CC2
= 5V, V
DD
= OV
DD
= 3V. V
CC3
= 3V
(LTM9004-AC, LTM9004-AD), V
CC3
= 5V (LTM9004-AA, LTM9004-AB)
DigiTal inpuTs anD ouTpuTs
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
Mixer Logic Input (MIXENABLE)
V
IH
High Level Input Voltage V
CC1
= 5V
l
2 V
V
IL
Low Level Input Voltage V
CC1
= 5V
l
1 V
I
IN
Input Current V
IN
= V
CC1
120 µA
Turn On Time 120 ns
Turn Off Time 750 ns
First Amplifier Logic Input (AMP1ENABLE)
V
IH
High Level Input Voltage V
CC2
= 5V
l
2.55 2 V
V
IL
Low Level Input Voltage V
CC2
= 5V
l
1.8 1.25 V
R
IN
Input Pull-Up Resistance V
CC2
= 5V, V
AMP1ENABLE
= 0V to 0.5V 25 70 kΩ
Turn On Time 200 ns
Turn Off Time 50 ns
Second Amplifier Logic Input (AMP2ENABLE, LTM9004-AA, LTM9004-AB)
V
IH
High Level Input Voltage V
CC3
= 5V
l
V
CC3
– 0.6 V
V
IL
Low Level Input Voltage V
CC3
= 5V
l
V
CC3
– 2.1 V
R
IN
Input Pull-Up Resistance V
CC3
= 5V, V
AMP2ENABLE
= 2.9V to 0V 40 66 90 kΩ
Turn On Time 4 µs
Turn Off Time 350 ns
Second Amplifier Logic Input (AMP2ENABLE, LTM9004-AC, LTM9004-AD)
V
IH
High Level Input Voltage V
CC3
= 3V
l
2.55 2.25 V
V
IL
Low Level Input Voltage V
CC3
= 3V
l
0.7 0.4 V
R
IN
Input Pull-Up Resistance V
CC3
= 3V, V
AMP2ENABLE
= 0V to 0.5V 60 100 140 kΩ
Turn On Time 200 ns
Turn Off Time 50 ns
ADC Logic Inputs (CLK, OE , ADCSHDN, MODE, MUX)
V
IH
High Level Input Voltage V
DD
= 3V
l
2 V
V
IL
Low Level Input Voltage V
DD
= 3V
l
0.8 V
I
IN
Input Current V
IN
= 0V to V
DD
l
–10 10 µA
C
IN
Input Capacitance (Note 6) 3 pF
I
SENSE
SENSE Input Leakage 0V < SENSE < 1V
l
–3 3 µA
I
MODE
MODE Input Leakage 0V < MODE < V
DD
l
–3 3 µA
the
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. Unless otherwise noted, V
CC1
= V
CC2
= 5V, V
DD
= OV
DD
= 3V. V
CC3
= 3V
(LTM9004-AC, LTM9004-AD), V
CC3
= 5V (LTM9004-AA, LTM9004-AB)