1654 Просмотр технического описания (PDF) - Linear Technology
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1654 Datasheet PDF : 16 Pages
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LTC1654
ABSOLUTE AXI U RATI GS
(Note 1)
VCC to GND .............................................. – 0.5V to 7.5V
TTL Input Voltage, REFHI,
REFLO, X1/X1/2 ........................................ – 0.5V to 7.5V
VOUT, SDO .................................. – 0.5V to (VCC + 0.5V)
Operating Temperature Range
LTC1654C ............................................. 0°C to 70°C
LTC1654I ........................................ – 40°C to 85°C
Maximum Junction Temperature .......................... 125°C
Storage Temperature Range ................ – 65°C to 150°C
Lead Temperature (Soldering, 10 sec)................. 300°C
UW U
PACKAGE/ORDER I FOR ATIO
X1/X1/2 B 1
CLR 2
SCK 3
SDI 4
TOP VIEW
16 VCC
15 VOUT B
14 REFHI B
13 REFLO B
ORDER PART
NUMBER
LTC1654CGN
LTC1654IGN
CS/LD 5
12 AGND
DGND 6
SDO 7
11 REFLO A
10 REFHI A
GN PART MARKING
X1/X1/2 A 8
9 VOUT A
GN PACKAGE
16-LEAD PLASTIC SSOP
1654
1654I
TJMAX = 125°C, θJA = 110°C/W
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS The ● denotes specifications which apply over the full operating tempera-
ture range, otherwise specifications are at TA = 25°C. Unless otherwise noted, VCC = 2.7V to 5.5V, VOUT A, VOUT B unloaded, REFHI A,
REFHI B = 4.096V (VCC = 5V), REFHI A, REFHI B = 2.048V (VCC = 2.7V), REFLO = 0V, X1/X1/2 = 0V.
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX
UNITS
DAC
n
Resolution
Monotonicity
●
14
Bits
●
14
Bits
DNL
Differential Nonlinearity
Guaranteed Monotonic (Note 2)
●
±0.3
±1
LSB
INL
Integral Nonlinearity
Integral Nonlinearity (Note 2)
●
±1.2
±4
LSB
ZSE
VOS
VOSTC
Zero Scale Error
Offset Error
Offset Error Tempco
Gain Error
Gain Error Drift
0°C ≤ TA ≤ 70°C
– 40°C ≤ TA ≤ 85°C
0°C ≤ TA ≤ 70°C (Note 3)
– 40°C ≤ TA ≤ 85°C (Note 3)
●
0
●
●
●
●
6.5
9.0
±6.5
±9.0
± 15
±24
5
mV
mV
mV
mV
µV/°C
LSB
ppm/°C
Power Supply
VCC
Positive Supply Voltage
ICC
Supply Current (SLOW/FAST)
Op Amp DC Performance
For Specified Performance
2.7V ≤ VCC ≤ 5.5V (Note 5) SLOW
2.7V ≤ VCC ≤ 5.5V (Note 5) FAST
2.7V ≤ VCC ≤ 3.3V (Note 5) SLOW
2.7V ≤ VCC ≤ 3.3V (Note 5) FAST
In Shutdown (Note 5)
● 2.7
5.5
V
●
540
850
µA
●
930 1400
µA
●
350
500
µA
●
680 1000
µA
●
3
10
µA
Short-Circuit Current Low
Short-Circuit Current High
Output Impedance to GND
VOUT Shorted to GND
VOUT Shorted to VCC
Input Code = 0
●
70
120
mA
●
80
120
mA
●
40
200
Ω
PSR
Power Supply Rejection
REFHIA, REFHIB = 4.096V (VCC = 5V ±10%)
●
REFHIA, REFHIB = 2.048V (VCC = 3V ±10%)
Input Code = 16383
2.5
mV/V
1654fb
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