ltc2640-lz8 Linear Technology Corporation, ltc2640-lz8 Datasheet - Page 7

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

TIMING CHARACTERISTICS
SYMBOL
t
t
t
t
t
t
t
t
t
ELECTRICAL CHARACTERISTICS
range, otherwise specifi cations are at T
LTC2640-LM12/-LM10/-LM8/-LZ12/-LZ10/-LZ8, LTC2640A-LM12/-LZ12 (V
temperature range, otherwise specifi cations are at T
LTC2640-HM12/-HM10/-HM8/-HZ12/-HZ10/-HZ8, LTC2640A-HM12/-HZ12 (V
SYMBOL PARAMETER
DC Performance
DNL
INL
ZSE
V
V
FSE
V
R
1
2
3
4
5
6
7
9
10
OS
OSTC
FSTC
OUT
Resolution
Monotonicity
Differential
Nonlinearity
Integral
Nonlinearity
Zero Scale Error
Offset Error
V
Coeffi cient
Full Scale Error
Full Scale Voltage
Temperature
Coeffi cient
Load Regulation
DC Output
Impedance
OS
Temperature
PARAMETER
SDI Valid to SCK Setup
SDI Valid to SCK Hold
SCK High Time
SCK Low Time
CS/LD Pulse Width
LSB SCK High to CS/LD High
CS/LD Low to SCK High
CLR Pulse Width
CS/LD High to SCK Pos. Edge
SCK Frequency
CONDITIONS
V
V
V
V
Code = 0
V
V
V
V
V
Internal Ref. Midscale,
–10mA ≤ I
V
Internal Ref. Midscale,
–10mA ≤ I
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
C-Grade
I-Grade
H-Grade
= 5V, Internal Ref. (Note 11)
= 5V, Internal Ref. (Note 10)
= 5V, Internal Ref. (Note 4)
= 5V, Internal Ref. (Note 4)
= 5V, Internal Ref. (Note 4)
= 5V, Internal Ref.,
= 5V, Internal Ref. (Note 5)
= 5V, Internal Ref. (Note 5)
= 5V ±10%,
= 5V ±10%,
OUT
OUT
≤ 10mA
≤ 10mA
A
= 25°C. V
CC
The
A
= 2.7V to 5.5V. (See Figure 1) (Note 8).
= 25°C. V
l
l
l
l
l
l
l
l
l
l
denotes the specifi cations which apply over the full operating temperature
MIN TYP
The
8
8
LTC2640-8
CONDITIONS
50% Duty Cycle
±0.05 ±0.5
±0.08 ±0.4
0.006 0.01
l
CC
±0.5
0.09 0.156
±10
±10
±10
±10
0.5
denotes the specifi cations which apply over the full operating
= 4.5V to 5.5V, V
MAX MIN TYP MAX MIN TYP
±0.5
±5
5
FS
FS
= 2.5V)
10
10
= 4.096V)
LTC2640-10
0.022 0.04
±0.08 ±0.4
±0.2
±0.5
0.09 0.156
±10
±10
±10
±10
0.5
OUT
unloaded unless otherwise specifi ed.
±0.5
±1
±5
5
12
12
l
l
l
l
l
l
l
l
l
l
LTC2640-12
±0.08 ±0.4
±0.5
0.09
0.09 0.156
±10
±10
±10
±10
0.5
±1
MIN
10
20
4
4
9
9
7
7
7
MAX MIN TYP
±2.5
0.16
±1
±5
5
12
12
TYP
LTC2640A-12
LTC2640
±0.08 ±0.4
±0.5
±0.5
0.09 0.16 LSB/mA
0.09 0.156
±10
±10
±10
±10
0.5
MAX
50
MAX
±1
±1
±5
5
ppm/°C
ppm/°C
ppm/°C
UNITS
UNITS
%FSR
μV/°C
2640fa
7
MHz
LSB
LSB
Bits
Bits
mV
mV
ns
ns
ns
ns
ns
ns
ns
ns
ns
Ω