LT1679 Linear Technology, LT1679 Datasheet - Page 4

• Manufacturer Part Number: LT1679
• Description: Dual/Quad Low Noise Rail-to-Rail Precision Op Amps
• Manufacturer: Linear Technology

ELECTRICAL CHARACTERISTICS
LTC2641/LTC2642
temperature range, otherwise specifi cations are at T
otherwise specified.
The
V
SYMBOL
Reference Input
V
R
Dynamic Performance—V
SR
Dynamic Performance—Reference Input
BW
SNR
C
Digital Inputs
V
V
SYMBOL PARAMETER
Static Peformance
N
DNL
INL
ZSE
ZS
GE
GE
R
BZE
BZS
PSR
4
REF
IN(REF)
IH
IL
OUT
DD
REF
TC
TC
TC
●
= 3V or 5V, V
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at T
Resolution
Monotonicity
Differential Nonlinearity
Integral Nonlinearity
Zero Code Offset Error
Zero Code Tempco
Gain Error
Gain Error Tempco
DAC Output Resistance
Bipolar Resistor Matching
Bipolar Zero Offset Error
Bipolar Zero Tempco
Power Supply Rejection
REF
PARAMETER
Reference Input Range
Reference Input Resistance (Note 5)
Voltage Output Slew Rate
Output Settling Time
DAC Glitch Impulse
Digital Feedthrough
Reference –3dB Bandwidth
Reference Feedthrough
Signal-to-Noise Ratio
Reference Input Capacitance
Digital Input High Voltage
Digital Input Low Voltage
= 2.5V, C
OUT
L
= 10pF, GND = 0, R
CONDITIONS
(Note 2)
(Note 2)
Code = 0
(Note 4)
(LTC2642) R
Ratio Error (Note 7)
(LTC2642)
(LTC2642)
ΔV
DD
= ±10%
FB
/R
INV
L
= ∞ unless otherwise specified.
A
●
●
●
●
●
●
●
●
●
= 25°C. V
CONDITIONS
Unipolar Mode (LTC2641)
Bipolar Mode (LTC2642)
Measured from 10% to 90%
To ±0.5LSB of FS
Major Carry Transition
Code = 0000hex; NCS = V
SCLK, DIN 0V to V
Code = FFFFhex
Code = 0000hex, V
Code = 0000hex
Code = FFFFhex
V
V
V
V
CC
CC
CC
CC
MIN
12
12
The
= 3.6V to 5.5V
= 2.7V to 3.6V
= 4.5V to 5.5V
= 2.7V to 4.5V
LTC2641-12
LTC2642-12
●
DD
±0.05
denotes the specifi cations which apply over the full operating
±0.5
±0.1
±0.5
±0.1
TYP
6.2
= 3V or 5V, V
1
DD
REF
MAX
±0.5
±0.5
±0.1
±0.5
±2
±2
1
Levels
= 1V
DD
REF
P-P
;
MIN
14
14
at 100kHz
= 2.5V, C
LTC2641-14
LTC2642-14
±0.05
±0.5
±0.5
±0.1
±0.5
±0.1
TYP
6.2
±1
1
L
= 10pF, GND = 0, R
●
●
●
●
●
●
●
±0.03
MAX
±0.5
±1
±1
±4
±4
2
MIN
2.0
8.5
2.4
2.0
11
MIN
16
16
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LTC2641-16
LTC2642-16
14.8
11.4
TYP
120
0.5
0.2
1.3
±0.05
15
92
75
±0.5
±0.5
±0.1
±0.1
1
1
TYP
6.2
L
±2
±2
1
= ∞ unless
±0.015
MAX
MAX
V
±1
±2
±5
±5
±1
0.8
0.6
A
2
DD
= 25°C.
ppm/°C
ppm/°C
ppm/°C
UNITS
UNITS
mV
26412f
nV•s
nV•s
V/μs
MHz
LSB
LSB
LSB
LSB
LSB
LSB
Bits
Bits
kΩ
kΩ
kΩ
P-P
dB
μs
pF
pF
%
V
V
V
V
V