RENESAS M62370GP

M62370GP
3 V Type 8-bit 36ch Selector SW Built-in D/A Converter
with Buffer Amplifiers
REJ03D0879-0300
Rev.3.00
Mar 25, 2008
Description
The M62370GP is a CMOS semiconductor IC, containing 36 channels of 8-bit D/A converters. It is operable with a
low supply voltage between 2.7 to 3.6 V, and is easy to use due to serial data input, and 3-pin (DI, CLK, LD)
connection with microcomputer.
The IC also contains DO pin terminal, enabling cascade connection, and therefore is suitable for automatic control in
combination with a microcomputer.
Features
•
•
•
•
Operable with a low voltage between 2.7 to 3.6 V
16-bit serial data input (connected via 3 pins: DI, CLK, LD)
36 channels built-in of 8-bit D/A converter
6 channels of D/A converters capable of selecting and outputting 4 data stored in each converter, through 2 control
terminals
Application
Digital/analog conversion in industrial or home-use electronic equipment.
Automatic control in combination with EEPROM and microcomputer (Substitute for conventional semi-fixed resistor).
Block Diagram
CLK
2
DI
1
VCC
GND
29
5
16-bit shift register
D15 D14 D13 D12 D11 D10 D9 D8
VSS1
7
.............
D/A
.............
38
AO1
8-bit
latch × 4
8-bit
latch × 4
.............
D/A
D/A
.............
21
.............
AO24
REJ03D0879-0300 Rev.3.00 Mar 25, 2008
Page 1 of 8
.............
+
−
.............
+
−
D/A
8-bit
latch × 4
+
−
8
+
−
VDD1
Decoder
.............
DO
3
LD
6
C0
D5 D4 D3 D2 D1 D0
8
8-bit
latch
4
36
37
AO35
AO36
Data
control
30 C1
31
32
VDD2 VSS2
M62370GP
Pin Arrangement
AO11
AO10
AO9
AO8
AO7
AO6
AO5
AO4
AO3
AO2
AO1
AO36
48
47
46
45
44
43
42
41
40
39
38
37
M62370GP
AO31
AO13 10
27
AO30
AO14 11
26
AO29
AO15 12
25
AO28
24
28
AO27
AO12 9
23
VCC
AO26
29
22
VDD1 8
21
C1
AO25
30
20
VSS1 7
AO24
VDD2
AO23
31
19
C0 6
AO22
VSS2
18
32
AO21
GND 5
17
AO32
AO20
AO33
33
16
34
Do 4
AO19
LD 3
15
AO34
AO18
35
14
CLK 2
AO17
AO35
13
36
AO16
DI 1
(Top view)
Outline: 48P6D-A
Pin Description
Pin No.
1
4
2
3
38 to 48
9 to 28
33 to 37
29
5
6
30
8
Pin Name
DI
DO
CLK
Function
Serial data input terminal to input serial data of 16-bit length
Terminal to output MSB data of 16-bit shift register
LD
When H-level signal is input to this terminal, the value stored in 16-bit shift register is
loaded in decoder and D/A converter output register.
8-bit D/A converter output terminal
AO1 to AO11
AO12 to AO31
AO32 to AO36
VCC
GND
C0
C1
VDD1
7
31
VSS1
VDD2
32
VSS2
Shift clock input terminal. Input signal at DI pin is input to 16-bit shift register at rise of shift
clock pulse
Power supply terminal
GND terminal
Data select signal input terminal 1 for channel No.31 through 36
Data select signal input terminal 2 for channel No.31 through 36
Upper reference voltage input terminal and power supply to operational amplifier for
channel No.1 through 24
Lower reference voltage input terminal for channel No.1 through 24
Upper reference voltage input terminal and power supply to operational amplifier for
channel No.25 through 36
Lower reference voltage input terminal for channel No.25 through 36
REJ03D0879-0300 Rev.3.00 Mar 25, 2008
Page 2 of 8
M62370GP
Block Diagram for Explanation of Terminals
VCC
GND
5
29
CLK 2
16-bit shift register
DI 1
D15 D14 D13 D12 D11 D10 D9
D8
D7
4 Do
D6 D5 D4
D3
D2 D1
D0
3 LD
Address decoder
(8)
.......................................
1 2 3 4
(4)
6 C0
.............
1
VDD1 8
VSS1 7
.............
8-bit
latch
..........
30
8-bit
latch
8-bit
D/A converter
..........
8-bit
D/A converter
.............
........
31
8-bit latch × 4
selector
..........
8-bit
D/A converter
........
36
8-bit latch × 4
selector
..........
8-bit
D/A converter
28
AO31
30 C1
+
−
27
AO30
Data
control
.............
(4)
+
−
+
−
+
−
38
AO1
(4)
37
AO36
31
VDD2
32
VSS2
Absolute Maximum Ratings
(Ta = 25°C, unless otherwise noted.)
Item
Supply voltage
Upper reference voltage of D/A converter
Input voltage
Output voltage
Power dissipation
Terminal derating
Operating temperature
Storage temperature
REJ03D0879-0300 Rev.3.00 Mar 25, 2008
Page 3 of 8
Symbol
VCC
VDD
VIN
VO
Pd
Kθ
Topr
Tstg
Ratings
–0.3 to +7.0
–0.3 to +7.0
–0.3 to VCC + 0.3
–0.3 to VCC + 0.3
400
4
–20 to +85
–40 to +125
Unit
V
V
V
V
mW
mW/°C
°C
°C
Conditions
Ta ≥ 25°C
M62370GP
Electrical Characteristics
<Digital Part>
(VCC = +3 V ± 10%, VCC = VDD, Ta = –20 to +85°C, unless otherwise noted.)
Min
Limits
Typ
Max
Unit
Supply voltage
Circuit current
VCC
ICC
2.7
—
3.0
1.0
5.5
—
V
mA
Input leak current
Input low voltage
Input high voltage
Output low voltage
Output high voltage
IILK
VIL
VIH
VOL
VOH
–10
—
2.4
—
VCC – 0.4
—
—
—
—
—
10
0.6
—
0.4
—
µA
V
V
V
V
Item
Note:
Symbol
Conditions
CLK = 1 MHz operation,
VCC = 3 V, IAO = 0 µA
IOL = 2.5 mA
IOH = –400 µA
Standard value is at Ta = 25°C
<Analog Part>
(VCC = +3 V ± 10%, VCC = VDD, Ta = –20 to +85°C, unless otherwise noted.)
Item
Symbol
Min
Limits
Typ
Max
Unit
Current dissipation
IDD
D/A converter upper
reference voltage range
VDD
—
2.7
5.0
3.0
—
5.5
mA
V
D/A converter lower
reference voltage range
VSS
GND
—
VDD – 2
V
Buffer amplifier output
voltage range
VAO
0.1
0.2
—
—
VDD – 0.1
VDD – 0.2
V
V
Buffer amplifier output
driving range
IAO
–300
—
500
µA
Differential nonlinearity
error
Nonlinearity error
Zero code error
Full scale error
Output capacitive load
SDL
–1.0
—
1.0
LSB
SL
SZERO
SFULL
CO
–1.5
–2
–2
—
—
—
—
—
—
50
1.5
2
2
0.1
—
LSB
LSB
LSB
µF
Ω
Buffer amplifier output
impedance
RO
REJ03D0879-0300 Rev.3.00 Mar 25, 2008
Page 4 of 8
Conditions
IAO = ±100 µA
IAO = +300 µA
–200 µA
Upper saturation voltage = 0.4 V
Lower saturation voltage = 0.3 V
VCC = 2.700 V
VDD = 2.700 V
VSS = 0.050 V
No load (IAO = ±0)
M62370GP
AC Characteristics
(VCC = VDD, Ta = –20 to +85°C, unless otherwise noted.)
Item
Symbol
Clock "L" pulse width
Clock "H" pulse width
Clock rise time
Clock fall time
Data setup time
Data hold time
LD setup time
LD hold time
LD "H" pulse duration time
Data output delay time
tCKL
tCKH
tCR
tCF
tDCH
tCHD
tCHL
tLDC
tLDH
tDO
D/A converter output setting
time
tLDD
Min
Limits
Typ
Max
Unit
200
200
—
—
30
60
200
100
100
70
—
—
—
—
—
—
—
—
—
—
—
—
—
—
200
200
—
—
—
—
—
350
100
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
Conditions
CL = 100 pF
CL ≤ 100 pF, VAO: 0.3 ↔ 2.7 V
This time until the output becomes
the final value of ±2 LSB
Timing Chart
tCR
tCKH
tCF
CLK
tCKL
DI
tDCH
tLDC
tCHD
tLDH
tCHL
LD
tLDD
D/A output
tDO
DO output
REJ03D0879-0300 Rev.3.00 Mar 25, 2008
Page 5 of 8
M62370GP
Digital Data Format
First
LSB
D0
D1
D2
D3
D4
D5
D6
D7
D8
DAC select data
D9
D10
D11
D12
D13
D14
DAC data
DAC Data
D8
0
1
0
1
:
0
1
D9
0
0
1
1
:
1
1
Note:
D10
0
0
0
0
:
1
1
D11
0
0
0
0
:
1
1
D12
0
0
0
0
:
1
1
D13
0
0
0
0
:
1
1
D14
0
0
0
0
:
1
1
D15
0
0
0
0
:
1
1
D/A Output
(VrefU – VrefL) / 256 × 1 + VrefL
(VrefU – VrefL) / 256 × 2 + VrefL
(VrefU – VrefL) / 256 × 3 + VrefL
(VrefU – VrefL) / 256 × 4 + VrefL
:
(VrefU – VrefL) / 256 × 255 + VrefL
VrefU
VrefU = VDD1, VDD2, VrefL = VSS1, VSS2
DAC Select Data
D5
0
0
0
:
0
0
1
:
1
1
:
1
1
:
1
1
:
1
1
D4
0
0
0
:
1
1
0
:
0
0
:
0
0
:
1
1
:
1
1
D3
0
0
0
:
1
1
0
:
0
0
:
1
1
:
0
0
:
0
0
D2
0
0
0
:
1
1
0
:
1
1
:
0
0
:
0
0
:
1
1
D1
0
0
1
:
1
1
0
:
0
0
:
1
1
:
0
0
:
1
1
D0
0
1
0
:
0
1
0
:
0
1
:
0
1
:
0
1
:
0
1
:
1
:
1
:
1
:
1
:
1
:
1
C0
0
0
1
1
C1
0
1
0
1
REJ03D0879-0300 Rev.3.00 Mar 25, 2008
Page 6 of 8
DAC Selection
Don't care
AO1 selection
AO2 selection
:
AO30 selection
AO31 (0) selection
AO32 (0) selection
:
AO36 (0) selection
AO31 (1) selection
:
AO36 (1) selection
AO31 (2) selection
:
AO36 (2) selection
AO31 (3) selection
:
AO36 (3) selection
Don't care
:
Don't care
AO31 Through AO36 Data Selected
Address 0 selected
Address 1 selected
Address 2 selected
Address 3 selected
Last
MSB
D15
M62370GP
Timing Chart (Model)
LSB
DI
D0
MSB
D1
CLK
LD
D/A output
REJ03D0879-0300 Rev.3.00 Mar 25, 2008
Page 7 of 8
D2
D3
.............
..................
D13
D14
D15
M62370GP
Package Dimensions
48P6D-A
Plastic 48pin 7 × 7mm body LQFP
EIAJ Package Code
LQFP48-P-77-0.50
Weight(g)
0.18
Lead Material
Alloy 42
MD
ME
e
JEDEC Code
—
b2
HD
D
48
37
1
I2
Recommended Mount Pad
36
E
HE
Symbol
25
12
13
24
A
F
L1
A3
A2
e
A
A1
A2
b
c
D
E
e
HD
HE
L
L1
Lp
b
x
M
REJ03D0879-0300 Rev.3.00 Mar 25, 2008
Page 8 of 8
L
Detail F
Lp
c
y
A1
A3
x
y
b2
I2
MD
ME
Dimension in Millimeters
Min
Nom
Max
—
—
1.7
0.1
0.2
0
1.4
—
—
0.13
0.18
0.28
0.105
0.125
0.175
6.9
7.0
7.1
6.9
7.0
7.1
—
0.5
—
8.8
9.0
9.2
8.8
9.0
9.2
0.3
0.5
0.7
—
—
1.0
0.45
0.6
0.75
0.25
—
—
0.08
—
—
0.1
—
—
0°
10°
—
—
—
0.225
—
—
1.0
—
—
7.4
7.4
—
—
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Colophon .7.2