Texas Instruments TLV5606IDR, TLV5606IDGKR, TLV5606IDGK, TLV5606ID, TLV5606CDGKR Datasheet

...
features
10-Bit Voltage Output DAC
Programmable Settling Time vs Power Consumption
3 µs in Fast Mode 9 µs in Slow Mode
Ultra Low Power Consumption:
900 µW Typ in Slow Mode at 3 V
2.1 mW Typ in Fast Mode at 3 V
Differential Nonlinearity . . . <0.2 LSB Typ
Compatible With TMS320 and SPI Serial Ports
Power-Down Mode (10 nA)
description
The TL V5606 is a 10-bit voltage output digital-to­analog converter (DAC) with a flexible 4-wire serial interface. The 4-wire serial interface allows glueless interface to TMS320, SPI, QSPI, and Microwire serial ports. The TLV5606 is pro­grammed with a 16-bit serial string containing 4 control and 10 data bits. Developed for a wide range of supply voltages, the TLV5606 can operate from 2.7 V to 5.5 V.
TLV5606
2.7 V TO 5.5 V LOW POWER 10-BIT DIGITAL-TO-ANALOG CONVERTERS WITH POWER DOWN
SLAS259 – DECEMBER 1999
Buffered High-Impedance Reference Input
Voltage Output Range ... 2 Times the Reference Input Voltage
Monotonic Over Temperature
Available in MSOP Package
applications
Digital Servo Control Loops
Digital Offset and Gain Adjustment
Industrial Process Control
Machine and Motion Control Devices
Mass Storage Devices
D OR DGK PACKAGE
(TOP VIEW)
DIN
SCLK
CS
FS
1 2 3 4
8 7 6 5
V
DD
OUT REFIN AGND
The resistor string output voltage is buffered by a x2 gain rail-to-rail output buffer . The buffer features a Class AB output stage to improve stability and reduce settling time. The settling time of the DAC is programmable to allow the designer to optimize speed versus power dissipation. The settling time is chosen by the control bits within the 16-bit serial input string. A high-impedance buffer is integrated on the REFIN terminal to reduce the need for a low source impedance drive to the terminal.
Implemented with a CMOS process, the TL V5606 is designed for single supply operation from 2.7 V to 5.5 V. The device is available in an 8-terminal SOIC package. The TL V5606C is characterized for operation from 0°C to 70°C. The TLV5606I is characterized for operation from –40°C to 85°C.
AVAILABLE OPTIONS
PACKAGE
T
A
0°C to 70°C TLV5606CD TLV5606CDGK
–40°C to 85°C TLV5606ID TLV5606IDGK
Available in tape and reel as the TL V5606CDR, TL V5606IDR, TLV5606CDGKR, and the TLV5606IDGKR
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
SMALL OUTLINE
(D)
MSOP
(DGK)
PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
Copyright 1999, Texas Instruments Incorporated
1
TLV5606
I/O
DESCRIPTION
2.7 V TO 5.5 V LOW POWER 10-BIT DIGITAL-TO-ANALOG CONVERTERS WITH POWER DOWN
SLAS259 – DECEMBER 1999
functional block diagram
_
REFIN
6
+
DIN
SCLK
CS
FS
1
2 3 4
Serial Input
Register
16 Cycle
Timer
Power-On
Reset
12
Update
10
10-Bit
Data
Latch
2
Speed/Power-Down
10
Logic
x2
Terminal Functions
TERMINAL
NAME NO.
AGND 5 Analog ground CS 3 I Chip select. Digital input used to enable and disable inputs, active low. DIN 1 I Serial digital data input FS 4 I Frame sync. Digital input used for 4-wire serial interfaces such as the TMS320 DSP interface. OUT 7 O DAC analog output REFIN 6 I Reference analog input voltage SCLK 2 I Serial digital clock input V
DD
8 Positive power supply
7
OUT
2
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
Suppl
oltage, V
Operating free-air temperature, T
IDDPower supply current PSRR
Power supply rejection ratio
dB
TLV5606
2.7 V TO 5.5 V LOW POWER 10-BIT DIGITAL-TO-ANALOG CONVERTERS WITH POWER DOWN
SLAS259 – DECEMBER 1999
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage (VDD to AGND) 7 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reference input voltage range – 0.3 V to VDD + 0.3 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Digital input voltage range – 0.3 V to V
DD
+ 0.3 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating free-air temperature range, TA: TLV5606C 0°C to 70°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
TLV5606I –40°C to 85°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, T
–65°C to 150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
stg
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds 260°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
recommended operating conditions
MIN NOM MAX UNIT
pp
y v
High-level digital input voltage, V Low-level digital input voltage, V Reference voltage, V Reference voltage, V Load resistance, R Load capacitance, C Clock frequency, f
p
NOTE 1: Due to the x2 output buffer, a reference input voltage ≥ V
DD
IH
IL
to REFIN terminal VDD = 5 V (see Note 1) AGND 2.048 VDD–1.5 V
ref
to REFIN terminal VDD = 3 V (see Note 1) AGND 1.024 VDD–1.5 V
ref
L
L
CLK
p
A
VDD = 5 V 4.5 5 5.5 V VDD = 3 V 2.7 3 3.3 V VDD = 2.7 V to 5.5 V 2 V VDD = 2.7 V to 5.5 V 0.8 V
2 10 k
100 pF
20 MHz TLV5606C 0 70 °C TLV5606I –40 85 °C
causes clipping of the transfer function.
DD/2
electrical characteristics over recommended operating free-air temperature range (unless otherwise noted)
power supply
PARAMETER TEST CONDITIONS MIN TYP MAX
VDD = 5 V, VREF = 2.048 V, No load, All inputs = AGND or VDD,
pp
Power down supply current (see Figure 12) 10 nA
pp
Power on threshold voltage, POR 2 V
NOTES: 2. Power supply rejection ratio at zero scale is measured by varying VDD and is given by:
PSRR = 20 log [(EZS(VDDmax) – EZS(VDDmin))/VDDmax]
3. Power supply rejection ratio at full scale is measured by varying VDD and is given by: PSRR = 20 log [(EG(VDDmax) – EG(VDDmin))/VDDmax]
Zero scale See Note 2 –80 Full scale See Note 3 –80
DAC latch = 0x800 VDD = 3 V, VREF = 1.024 V
No load, All inputs = AGND or VDD, DAC latch = 0x800
Fast 0.9 1.35 mA
Slow 0.4 0.6 mA
Fast 0.7 1.1 mA
Slow 0.3 0.45 mA
UNIT
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
3
TLV5606
Reference input bandwidth
REFIN
V
1.024 V dc
2.7 V TO 5.5 V LOW POWER 10-BIT DIGITAL-TO-ANALOG CONVERTERS WITH POWER DOWN
SLAS259 – DECEMBER 1999
electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) (continued)
static DAC specifications RL = 10 kΩ, CL = 100 pF
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Resolution 10 10 bits INL Integral nonlinearity See Note 4 ± 0.5 ±1.5 LSB DNL Differential nonlinearity See Note 5 ± 0.2 ± 1 LSB E
Zero-scale error (offset error at zero scale) See Note 6 ±10 mV
ZS
Zero-scale-error temperature coefficient See Note 7 10 ppm/°C
% of
E
Gain error See Note 8 ±0.6
G
Gain-error temperature coefficient See Note 9 10 ppm/°C
NOTES: 4. The relative accuracy or integral nonlinearity (INL) sometimes referred to as linearity error , is the maximum deviation of the output
from the line between zero and full scale excluding the effects of zero code and full-scale errors.
5. The differential nonlinearity (DNL) sometimes referred to as differential error, is the difference between the measured and ideal 1 LSB amplitude change of any two adjacent codes. Monotonic means the output voltage changes in the same direction (or remains constant) as a change in the digital input code.
6. Zero-scale error is the deviation from zero voltage output when the digital input code is zero.
7. Zero-scale-error temperature coefficient is given by: EZSTC = [EZS(T
8. Gain error is the deviation from the ideal output (2V
9. Gain temperature coefficient is given by: EGTC = [EG(T
– 1 LSB) with an output load of 10 kexcluding the effects of the zero-error .
ref
max
) – EG (T
max
min
) – EZS(T
)]/V
× 106/(T
ref
min
)]/V
max
× 106/(T
ref
– T
min
– T
max
min
).
output specifications
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
Voltage output range RL = 10 k 0 AVDD–0.1 V
O
Output load regulation accuracy RL = 2 kΩ, vs 10 kΩ 0.1 ±0.25
FS
voltage
).
% of FS
voltage
reference input (REF)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
V
Input voltage range 0 VDD–1.5 V
I
R
Input resistance 10 M
I
C
Input capacitance 5 pF
I
p
Reference feed through REFIN = 1 Vpp at 1 kHz + 1.024 V dc (see Note 10) –75 dB
NOTE 10: Reference feedthrough is measured at the DAC output with an input code = 0x000.
= 0.2
pp
+
Slow 525 kHz Fast 1.3 MHz
digital inputs
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
I
High-level digital input current VI = V
IH
I
Low-level digital input current VI = 0 V ±1 µA
IL
C
Input capacitance 3 pF
I
DD
±1 µA
4
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
t
Output settling time, full scale
L
,
s
t
Output settling time, code to code
L
,
SR
Slew rate
L
,
L
,
V/µs
R
10 k,C
100 pF
0
BW = 20 kHz
TLV5606
2.7 V TO 5.5 V LOW POWER 10-BIT DIGITAL-TO-ANALOG CONVERTERS WITH POWER DOWN
SLAS259 – DECEMBER 1999
operating characteristics over recommended operating free-air temperature range (unless otherwise noted)
analog output dynamic performance
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
kHz
CL = 100 pF,
CL = 100 pF,
= 100 pF,
=
p
L
R
s(FS)
s(CC)
S/N Signal to noise 62 dB S/(N+D) Signal to noise + distortion THD Total harmonic distortion
NOTES: 11. Settling time is the time for the output signal to remain within ±0.5 LSB of the final measured value for a digital input code change
p
p
Glitch energy Code transition from 0x7FF to 0x800 10 nV–s
Spurious free dynamic range
of 0x080 to 0x3FF or 0x3FF to 0x080. Not tested, ensured by design.
12. Settling time is the time for the output signal to remain within ± 0.5 LSB of the final measured value for a digital input code change of one count. Code change from 0x1FF to 0x200. Not tested, ensured by design.
13. Slew rate determines the time it takes for a change of the DAC output from 10% to 90% full-scale voltage.
= 10 kΩ,
See Note 11 R
= 10 kΩ,
See Note 12 R
= 10 kΩ, C
See Note 13
fs = 400 KSPS fout = 1.1 kHz,
=
L
BW = 2
Fast 3 5.5 Slow 9 20 Fast 1 µs Slow 2 µs Fast 3.6 Slow 0.9
,
–61 dB
µ
60 dB
68 dB
digital input timing requirements
t
su(CS–FS)
t
su(FS–CK)
t
su(C16–FS)
t
su(C16–CS)
t
wH
t
wL
t
su(D)
t
h(D)
t
wH(FS)
Setup time, CS low before FS 10 ns Setup time, FS low before first negative SCLK edge 8 ns Setup time, sixteenth negative edge after FS low on which bit D0 is sampled before rising
edge of FS Setup time, sixteenth positive SCLK edge (first positive after D0 is sampled) before CS rising
edge. If FS is used instead of the sixteenth positive edge to update the DAC, then the setup time is between the FS rising edge and CS
Pulse duration, SCLK high 25 ns Pulse duration, SCLK low 25 ns Setup time, data ready before SCLK falling edge 8 ns
Hold time, data held valid after SCLK falling edge 5 ns Pulse duration, FS high 20 ns
MIN NOM MAX UNIT
10 ns
10 ns
rising edge.
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
5
TLV5606
2.7 V TO 5.5 V LOW POWER 10-BIT DIGITAL-TO-ANALOG CONVERTERS WITH POWER DOWN
SLAS259 – DECEMBER 1999
PARAMETER MEASUREMENT INFORMATION
SCLK
DIN
CS
FS
t
su(D)
t
wL
123451516
t
h(D)
D15 D14 D13 D12 D1 D0
t
su(FS-CK)
t
su(CS-FS)
t
wH(FS)
t
wH
t
t
su(C16-FS)
su(C16-CS)
Figure 1. Timing Diagram
6
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
TLV5606
2.7 V TO 5.5 V LOW POWER 10-BIT DIGITAL-TO-ANALOG CONVERTERS WITH POWER DOWN
SLAS259 – DECEMBER 1999
TYPICAL CHARACTERISTICS
2.004
2.002
2
1.998
1.996
– Output Voltage – V
1.994
O
V
1.992
1.990
0.2
0.18
0.16
0.14
0.12
0.1
0.08
– Output Voltage – V
0.06
O
V
0.04
0.02
OUTPUT VOLTAGE
vs
LOAD CURRENT
3 V Slow Mode, SOURCE
3 V Fast Mode, SOURCE
0 0.01 0.02 0.05 0.1 0.2 0.5
Load Current – mA
Figure 2
OUTPUT VOLTAGE
vs
LOAD CURRENT
VDD = 3 V, V
= 1 V,
ref
Zero Code
3 V Slow Mode, SINK
3 V Fast Mode, SINK
VDD = 3 V, V
= 1 V,
ref
Full Scale
12
4.01
4.005
4
3.995
3.99
– Output Voltage – V
3.985
O
V
3.98
3.975
0.35
0.3
0.25
0.2
0.15
– Output Voltage – V
0.1
O
V
0.05
OUTPUT VOLTAGE
vs
LOAD CURRENT
5 V Slow Mode, SOURCE
5 V Fast Mode, SOURCE
0 0.02 0.04 0.1 0.2 0.4 1
Load Current – mA
Figure 3
OUTPUT VOLTAGE
vs
LOAD CURRENT
VDD = 5 V, V
= 2 V,
ref
Zero Code
5 V Slow Mode, SINK
5 V Fast Mode, SINK
VDD = 5 V, V
= 2 V,
ref
Full Scale
24
0
0 0.01 0.02 0.05 0.1 0.2 0.5
Load Current – mA
Figure 4
12
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
0
0 0.02 0.04 0.1 0.2 0.4 1
24
Load Current – mA
Figure 5
7
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