3
1605fc
LTC1605
LTC1605/LTC1605A
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VREF Output Voltage
IOUT = 0
●
2.470
2.500
2.520
V
VREF Output Tempco
IOUT = 0
±5
ppm/
°C
Internal Reference Source Current
1
A
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
A
CAP Output Voltage
IOUT = 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
s
Overvoltage Recovery
(Note 16)
150
ns
(Notes 5, 14)
The
● denotes specifications which apply over the full operating temperature range, otherwise
specifications are at TA = 25°C. (Note 5)
LTC1605/LTC1605A
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Analog Input Range (Note 9)
4.75V
≤ VANA ≤ 5.25V, 4.75V ≤ VDIG ≤ 5.25V
●
±10
V
CIN
Analog Input Capacitance
10
pF
RIN
Analog Input Impedance
20
k
ANALOG INPUT
UU
DYNAMIC ACCURACY
U
W
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 TA = 25°C. (Note 5)
The
● denotes specifications which apply over the full
operating temperature range, otherwise specifications are at TA = 25°C. (Note 5)
LTC1605/LTC1605A
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIH
High Level Input Voltage
VDD = 5.25V
●
2.4
V
VIL
Low Level Input Voltage
VDD = 4.75V
●
0.8
V
IIN
Digital Input Current
VIN = 0V to VDD
●
±10
A
CIN
Digital Input Capacitance
5pF
VOH
High Level Output Voltage
VDD = 4.75V
IO = –10A
4.5
V
IO = – 200A
●
4.0
V