DS3908 MAXIM [Maxim Integrated Products], DS3908 Datasheet - Page 5

• Manufacturer Part Number: DS3908
• Description: Dual, 64-Position Nonvolatile Digital Potentiometer with Buffered Outputs
• Manufacturer: MAXIM [Maxim Integrated Products]

(T
A
TDFN PIN
-0.2
-0.4
-0.6
-0.8
-1.0
1.0
0.8
0.6
0.4
0.2
= +25°C, unless otherwise noted.)
3, 4, 5
10, 13
0
8, 11
9, 12
-40
14
NORMALIZED POT END-END RESISTANCE
1
2
6
7
V
CC
= 5V
-15
vs. TEMPERATURE
TEMPERATURE (°C)
A0, A1, A2
H0, H1
NAME
V0, V1
L0, L1
10
GND
SDA
SCL
V
WP
CC
-0.1
-0.2
-0.3
-0.4
-0.5
0.6
0.5
0.4
0.3
0.2
0.1
35
0
0.3
GAIN = 1V/V
DATA OFFSET TO SHOW 0 AT 2V CMV
Potentiometer with Buffered Outputs
vs. COMMON-MODE INPUT VOLTAGE
I
I
Address-Select Inputs. Determines I
Address and Address Pins section for more details.)
Write-Protect Input. Must be grounded to write to the registers. An internal pullup will lock the register
values if this pin is not connected.
Ground Terminal
Potentiometer Low Terminals. Voltages on these pins should remain between GND and V
Amplifier Outputs
Potentiometer High Terminals. Voltages on these pins should remain between GND and V
Supply Voltage Terminal
2
2
0.7
C Serial Data. Input/output for I
C Serial Clock. Input for I
Dual, 64-Position Nonvolatile Digital
60
COMMON-MODE INPUT VOLTAGE (V)
+85°C
+25°C
TYPICAL PGA OFFSET
1.1
-40°C
85
1.5
_____________________________________________________________________
1.9
-0.05
-0.10
-0.15
-0.20
-1.25
0.25
0.20
0.15
0.10
0.05
2.3
Typical Operating Characteristics (continued)
0
0
2.7
GAIN = 1V/V
IN
10
3.1
2
C clock.
POT INL vs. SETTING
3.5
POT0 SETTING (DEC)
20
2
C data.
2
30
C address. Device address is 1010A
-0.05
-0.15
0.25
0.15
0.05
-0.1
-0.2
0.2
0.1
0
40
-40
FUNCTION
CMV
50
CMV
-15
IN
TYPICAL PGA OFFSET
IN
= 2.0V
vs. TEMPERATURE
60
= 0.3V
CMV
TEMPERATURE (°C)
10
IN
= 3.5V
35
-0.05
-0.10
-0.15
-0.20
-1.25
0.25
0.20
0.15
0.10
0.05
0
0
60
GAIN = 1V/V
10
2
A
Pin Description
85
POT DNL vs. SETTING
1
A
POT0 SETTING (DEC)
20
0
. (See the I
30
CC
40
CC
2
.
C Slave
.
50
60
5