LTC2630
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 2.7V to 5.5V, VOUT unloaded unless otherwise specified.
LTC2630-LM12/-LM10/-LM8/-LZ12/-LZ10/-LZ8, LTC2630A-LM12/-LZ12 (VFS = 2.5V)
SYMBOL PARAMETER
AC Performance
CONDITIONS
MIN
TYP
MAX
UNITS
tS
Settling Time
VCC = 3V (Note 7)
μs
μs
μs
0.39% ( 1LSB at 8 Bits)
0.098% ( 1LSB at 10 Bits)
0.024% ( 1LSB at 12 Bits)
3.2
3.9
4.4
Voltage Output Slew Rate
Capacitive Load Driving
Glitch Impulse
1.0
500
2
V/μs
pF
At Midscale Transition
nV•s
en
Output Voltage Noise Density
At f = 1kHz, Supply as Reference
At f = 10kHz, Supply as Reference
At f = 1kHz, Internal Reference
At f = 10kHz, Internal Reference
140
130
160
150
nV/√Hz
nV/√Hz
nV/√Hz
nV/√Hz
Output Voltage Noise
0.1Hz to 10Hz, Supply as Reference
0.1Hz to 10Hz, Internal Reference
0.1Hz to 200kHz, Supply as Reference
0.1Hz to 200kHz, Internal Reference
20
20
650
700
μVP-P
μVP-P
μVP-P
μVP-P
TIMING CHARACTERISTICS The ● denotes the specifications which apply over the full operating temperature
range, otherwise specifications are at TA = 25°C. VCC = 2.7V to 5.5V. (See Figure 1) (Note 6).
LTC2630-LM12/-LM10/-LM8/-LZ12/-LZ10/-LZ8, LTC2630A-LM12/-LZ12 (VFS = 2.5V)
SYMBOL PARAMETER
CONDITIONS
MIN
4
TYP
MAX
UNITS
ns
●
●
●
●
●
●
●
●
●
t1
t2
t3
t4
t5
t6
t7
t10
SDI Valid to SCK Setup
SDI Valid to SCK Hold
SCK High Time
4
ns
9
ns
SCK Low Time
9
ns
CS/LD Pulse width
10
7
ns
SCK High to CS/LD High
CS/LD Low to SCK High
CS/LD High to SCK Positive Edge
SCK Frequency
ns
7
ns
7
ns
50% Duty Cycle
50
MHz
2630fa
5