MAX5478EUD+ Maxim Integrated Products, MAX5478EUD+ Datasheet - Page 16

• Manufacturer Part Number: MAX5478EUD+
• Description: IC POT DGTL DUAL 256-TAP 14TSSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX5478EUD+

• Taps: 256
• Resistance (ohms): 50K
• Number Of Circuits: 2
• Temperature Coefficient: 35 ppm/°C Typical
• Memory Type: Non-Volatile
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.7 V ~ 5.25 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 14-TSSOP
• Resistance In Ohms: 50K
• Number Of Pots: Dual
• Taps Per Pot: 256
• Resistance: 325 Ohms
• Wiper Memory: Non Volatile
• Digital Interface: Serial (2-Wire)
• Operating Supply Voltage: 2.7 V to 5.25 V
• Supply Current: 1 uA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Description/function: Dual, 256 Tap, Nonvolatile, I2C, 50k Digital Potentiometer
• Mounting Style: SMD/SMT
• Supply Voltage (max): 5.25 V
• Supply Voltage (min): 2.7 V
• Tolerance: 25 %
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information
go to www.maxim-ic.com/packages.)
Dual, 256-Tap, Nonvolatile, I
Digital Potentiometers
16
______________________________________________________________________________________
PKG
REF.
ND
NE
A1
A2
NOTES:
D
A
b
E
e
L
N
k
10. MARKING IS FOR PACKAGE ORIENTATION REFERENCE ONLY.
11. NUMBER OF LEADS SHOWN ARE FOR REFERENCE ONLY.
12. WARPAGE NOT TO EXCEED 0.10mm.
1. DIMENSIONING & TOLERANCING CONFORM TO ASME Y14.5M-1994.
2. ALL DIMENSIONS ARE IN MILLIMETERS. ANGLES ARE IN DEGREES.
3. N IS THE TOTAL NUMBER OF TERMINALS.
4. THE TERMINAL #1 IDENTIFIER AND TERMINAL NUMBERING CONVENTION SHALL CONFORM TO
5. DIMENSION b APPLIES TO METALLIZED TERMINAL AND IS MEASURED BETWEEN 0.20 mm AND 0.25 mm
6. ND AND NE REFER TO THE NUMBER OF TERMINALS ON EACH D AND E SIDE RESPECTIVELY.
7. DEPOPULATION IS POSSIBLE IN A SYMMETRICAL FASHION.
8. COPLANARITY APPLIES TO THE EXPOSED HEAT SINK SLUG AS WELL AS THE TERMINALS.
9. DRAWING CONFORMS TO JEDEC MO220 REVISION C.
MIN.
0.70
0.35
0.25
0.25
2.90
2.90
0
WITHIN THE ZONE INDICATED. THE TERMINAL #1 IDENTIFIER MAY BE EITHER A MOLD OR
MARKED FEATURE.
FROM TERMINAL TIP.
JESD 95-1 SPP-012. DETAILS OF TERMINAL #1 IDENTIFIER ARE OPTIONAL, BUT MUST BE LOCATED
0.65 BSC.
0.20 REF
8L 3x3
NOM. MAX.
0.75
0.30
3.00
3.00
0.55
0.02
8
2
2
-
MARKING
0.80
0.35
3.10
D
3.10
0.75
0.05
-
D/2
0.10 C
MIN.
0.25
0.70
0.20
2.90
2.90
0.45
0
0.50 BSC.
0.20 REF
12L 3x3
NOM. MAX.
0.75
0.25
3.00
3.00
0.55
0.02
E/2
12
3
3
-
AAAA
0.80
0.30
3.10
0.65
0.05
3.10
L C
E
-
A
A2
A1
0.08 C
MIN.
0.70
0.20
2.90
2.90
0.30
0.25
0
0.50 BSC.
0.20 REF
16L 3x3
NOM.
3.00
0.75
0.25
3.00
0.40
0.02
16
4
4
-
L C
MAX.
0.80
0.30
3.10
3.10
0.50
0.05
-
PKG.
CODES
TQ833-1
T1233-1
T1233-3
T1233-4
T1633-2
T1633F-3
T1633FH-3
T1633-4
T1633-5
L
0.65
MIN.
0.25
0.95
0.95
0.95
0.95
0.65
0.95
0.95
L C
e
NOM.
0.80
0.70
1.10
1.10
1.10
1.10
0.80
1.10
1.10
EXPOSED PAD VARIATIONS
D2
(ND - 1) X e
e
MAX.
0.95
1.25
1.25
1.25
1.25
1.25
0.95
1.25
1.25
k
2
0.65
MIN.
0.25
0.95
0.95
0.95
0.95
0.65
0.95
0.95
L
C-Interface,
(NE - 1) X e
NOM.
0.80
0.70
1.10
1.10
1.10
1.10
0.80
1.10
1.10
E2
E2
PACKAGE OUTLINE
8, 12, 16L THIN QFN, 3x3x0.8mm
PACKAGE OUTLINE
8, 12, 16L THIN QFN, 3x3x0.8mm
E2/2
MAX.
0.95
1.25
1.25
1.25
1.25
1.25
0.95
1.25
1.25
0.225 x 45°
0.35 x 45°
0.35 x 45°
0.35 x 45°
0.35 x 45°
0.35 x 45°
0.225 x 45°
0.35 x 45°
0.35 x 45°
PIN ID
e
C L
21-0136
21-0136
D2/2
b
Package Information
WEED-2
WEEC
WEED-1
WEED-1
WEED-1
WEED-2
WEED-2
WEED-2
WEED-2
JEDEC
D2
0.10 M C A B
L
I
I
1
2
2
2