Datasheet

3
1605fc
LTC1605
LTC1605/LTC1605A
PARAMETER CONDITIONS MIN TYP MAX UNITS
V
REF
Output Voltage I
OUT
= 0 ● 2.470 2.500 2.520 V
V
REF
Output Tempco I
OUT
= 0 ±5 ppm/°C
Internal Reference Source Current 1 µA
External Reference Voltage for Specified Linearity (Notes 9, 10) 2.30 2.50 2.70 V
External Reference Current Drain Ext. Reference = 2.5V (Note 9) ● 100 µA
CAP Output Voltage I
OUT
= 0 2.50 V
LTC1605/LTC1605A
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
S/(N + D) Signal-to-(Noise + Distortion) Ratio 1kHz Input Signal (Note 14) 87.5 dB
10kHz Input Signal 87 dB
20kHz, –60dB Input Signal 30 dB
THD Total Harmonic Distortion 1kHz Input Signal, First 5 Harmonics – 102 dB
10kHz Input Signal, First 5 Harmonics – 94 dB
Peak Harmonic or Spurious Noise 1kHz Input Signal –102 dB
10kHz Input Signal – 94 dB
Full-Power Bandwidth (Note 15) 275 kHz
Aperture Delay 40 ns
Aperture Jitter Sufficient to Meet AC Specs
Transient Response Full-Scale Step (Note 9) 2 µs
Overvoltage Recovery (Note 16) 150 ns
(Notes 5, 14)
The
● denotes specifications which apply over the full operating temperature range, otherwise
specifications are at T
A
= 25°C. (Note 5)
LTC1605/LTC1605A
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IN
Analog Input Range (Note 9) 4.75V ≤ V
ANA
≤ 5.25V, 4.75V ≤ V
DIG
≤ 5.25V ● ±10 V
C
IN
Analog Input Capacitance 10 pF
R
IN
Analog Input Impedance 20 kΩ
ANALOG INPUT
UU
DYNAMIC ACCURACY
UW
INTERNAL REFERENCE CHARACTERISTICS
UU U
DIGITAL INPUTS AND DIGITAL OUTPUTS
UU
The ● denotes specifications which apply over the full
operating temperature range, otherwise specifications are at T
A
= 25°C. (Note 5)
The ● denotes specifications which apply over the full
operating temperature range, otherwise specifications are at T
A
= 25°C. (Note 5)
LTC1605/LTC1605A
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
IH
High Level Input Voltage V
DD
= 5.25V ● 2.4 V
V
IL
Low Level Input Voltage V
DD
= 4.75V ● 0.8 V
I
IN
Digital Input Current V
IN
= 0V to V
DD
● ±10 µA
C
IN
Digital Input Capacitance 5pF
V
OH
High Level Output Voltage V
DD
= 4.75V I
O
= –10µA 4.5 V
I
O
= – 200µA ● 4.0 V