ltc2640-lz8 Linear Technology Corporation, ltc2640-lz8 Datasheet - Page 8

• Manufacturer Part Number: ltc2640-lz8
• Description: Single 12-/10-/8-bit Spi Vout Dacs With Bidirectional Reference
• Manufacturer: Linear Technology Corporation

LTC2640
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifi cations are at T
LTC2640-HM12/-HM10/-HM8/-HZ12/-HZ10/-HZ8, LTC2640A-HM12/-HZ12 (V
SYMBOL
V
PSR
I
Power Supply
V
I
I
Reference Input
I
Reference Output
Digital I/O
V
V
I
C
AC Performance
t
8
SC
CC
SD
REF
LK
S
OUT
CC
IH
IL
IN
PARAMETER
DAC Output Span
Power Supply Rejection
Short Circuit Output Current (Note 6)
Positive Supply Voltage
Supply Current (Note 7)
Supply Current in Power-Down Mode
(Note 7)
Input Voltage Range
Resistance
Capacitance
Reference Current, Power Down Mode DAC Powered Down
Output Voltage
Reference Temperature Coeffi cient
Output Impedance
Capacitive Load Driving
Short Circuit Current
Digital Input High Voltage
Digital Input Low Voltage
Digital Input Leakage
Digital Input Capacitance
Settling Time
Voltage Output Slew Rate
Capacitance Load Driving
Glitch Impulse
Multiplying Bandwidth
Sinking
Sourcing
A
CONDITIONS
External Reference
Internal Reference
V
V
For Specifi ed Performance
V
V
V
V
V
V
(Note 8)
V
±0.39% (±1LSB at 8 Bits)
±0.098% (±1LSB at 10 Bits)
±0.024% (±1LSB at 12 Bits)
At Midscale Transition
External Reference
= 25°C. V
CC
FS
CC
CC
CC
CC
CC
IN
CC
Zero Scale; V
Full Scale; V
= GND to V
= V
= 5V ±10%
= 5V, V
= 5V, Internal Reference
= 5V, C-Grade, I-Grade
= 5V, H-Grade
= 5.5V; REF Shorted to GND
= 5V (Note 9)
The
CC
= 5.5V
l
CC
REF
denotes the specifi cations which apply over the full operating
OUT
= 4.5V to 5.5V, V
OUT
= 4.096V, External Reference
CC
shorted to GND
shorted to V
FS
= 4.096V)
CC
OUT
unloaded unless otherwise specifi ed.
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
2.032
MIN
160
4.5
2.4
0
0 to 4.096
0 to V
2.048
0.01
TYP
–80
–28
160
200
190
±10
500
300
0.6
0.6
7.5
0.5
4.3
3.7
4.2
4.6
3.0
27
10
1
REF
2.064
MAX
–48
220
270
V
220
5.5
1.8
0.1
0.8
2.5
48
±1
4
CC
ppm/°C
UNITS
2640fa
nV•s
V/μs
kHz
mA
mA
mA
kΩ
kΩ
dB
μA
μA
μA
μA
μA
μA
pF
μF
pF
μs
μs
μs
pF
V
V
V
V
V
V
V