IDT ADC0804S050TS Single 8 bits adc, up to 30 mhz, 40 mhz or 50 mhz Datasheet

ADC0804S030/040/050
Single 8 bits ADC, up to 30 MHz, 40 MHz or 50 MHz
Rev. 03 — 2 July 2012
Product data sheet
1. General description
The ADC0806030/040/050 are a family of 8-bit high-speed, low-power Analog-to-Digital
Converters (ADC) for professional video and other applications. It converts the analog
input signal into 8-bit binary coded digital signals at a maximum sampling rate of 50 MHz.
All digital inputs and outputs are Transistor-Transistor Logic (TTL) and CMOS compatible,
although a low-level sine wave clock input signal can also be used.
The device requires an external source to drive its reference ladder. If the application
requires that the reference is driven via internal sources, IDT recommends you use one of
the ADC1003S030/040/050 family.
2. Features














8-bit resolution
Sampling rate up to 50 MHz
DC sampling allowed
One clock cycle conversion only
High signal-to-noise ratio over a large analog input frequency range (7.8 effective bits
at 4.43 MHz full-scale input at fclk = 40 MHz)
No missing codes guaranteed
In-Range (IR) CMOS output
TTL and CMOS levels compatible digital inputs
3 V to 5 V CMOS digital outputs
Low-level AC clock input signal allowed
External reference voltage regulator
Power dissipation only 175 mW (typical)
Low analog input capacitance, no buffer amplifier required
No sample-and-hold circuit required
3. Applications







Video data digitizing
Radar
Transient signal analysis
 modulators
Medical imaging
Barcode scanner
Global Positioning System (GPS) receiver
®
ADC0804S030/040/050
Integrated Device Technology
Single 8 bits ADC, up to 30 MHz, 40 MHz or 50 MHz
 Cellular base stations
4. Quick reference data
Table 1.
Quick reference data
VCCA = V3 to V4 = 4.75 V to 5.25 V; VCCD = V11 to V12 and V28 to V27 = 4.75 V to 5.25 V;
VCCO = V13 to V14 = 3.0 V to 5.25 V; AGND and DGND shorted together; Tamb = 0 C to 70 C;
typical values measured at VCCA = VCCD = 5 V and VCCO = 3.3 V, Vi(a)(p-p) = 2.0 V; CL = 15 pF and
Tamb = 25 C; unless otherwise specified.
Symbol
Parameter
VCCA
Min
Typ
Max
Unit
analog supply voltage
4.75
5.0
5.25
V
VCCD
digital supply voltage
4.75
5.0
5.25
V
VCCO
output supply voltage
3.0
3.3
5.25
V
ICCA
analog supply current
-
18
24
mA
ICCD
digital supply current
-
16
21
mA
ICCO
output supply current
fclk = 40 MHz;
ramp input
-
1
2
mA
INL
integral non-linearity
fclk = 40 MHz
ramp input
-
0.2
0.5
LSB
DNL
differential non-linearity
fclk = 40 MHz
ramp input
-
0.12
0.22
LSB
fclk(max)
maximum clock
frequency
ADC0804S030TS
30
-
-
MHz
ADC0804S040TS
40
-
-
MHz
ADC0804S050TS
50
-
-
MHz
fclk = 40 MHz;
ramp input
-
175
247
mW
Ptot
Conditions
total power dissipation
5. Ordering information
Table 2.
Ordering information
Type number
Package
Sampling
frequency
(MHz)
Name
Description
Version
ADC0804S030TS
SSOP28
plastic shrink small outline package; 28 leads;
body width 5.3 mm
SOT341-1 30
ADC0804S040TS
SSOP28
plastic shrink small outline package; 28 leads;
body width 5.3 mm
SOT341-1 40
ADC0804S050TS
SSOP28
plastic shrink small outline package; 28 leads;
body width 5.3 mm
SOT341-1 50
ADC0804S030_040_050_3
Product data sheet
© IDT 2012. All rights reserved.
Rev. 03 — 2 July 2012
2 of 18
ADC0804S030/040/050
Integrated Device Technology
Single 8 bits ADC, up to 30 MHz, 40 MHz or 50 MHz
6. Block diagram
VCCA
CLK
VCCD2
OE
3
1
11
10
2
CLOCK DRIVER
RT
TC
9
25 D7
MSB
24 D6
23 D5
Rlad
VI
analog
voltage input
22 D4
8
ANALOG - TO - DIGITAL
CONVERTER
CMOS
OUTPUTS
LATCHES
21 D3
data outputs
20 D2
RM
7
19 D1
18 D0
RB
13
6
ADC0804S030
IN-RANGE LATCH
CMOS OUTPUT
26
28
4
12
14
27
AGND
DGND2
OGND
DGND1
analog ground
digital ground
output ground
digital ground
LSB
VCCO
IR
output
VCCD1
014aaa550
Fig 1. Block diagram
ADC0804S030_040_050_3
Product data sheet
© IDT 2012. All rights reserved.
Rev. 03 — 2 July 2012
3 of 18
ADC0804S030/040/050
Integrated Device Technology
Single 8 bits ADC, up to 30 MHz, 40 MHz or 50 MHz
7. Pinning information
7.1 Pinning
CLK
1
28 VCCD1
TC
2
27 DGND1
VCCA
3
26 IR
AGND
4
25 D7
n.c.
5
24 D6
RB
6
23 D5
RM
7
VI
8
RT
9
20 D2
OE 10
19 D1
VCCD2 11
18 D0
DGND2 12
17 n.c.
VCCO 13
16 n.c.
OGND 14
15 n.c.
ADC0804S
030TS
22 D4
21 D3
014aaa551
Fig 2.
Pin configuration
7.2 Pin description
Table 3.
Pin description
Symbol
Pin
Description
CLK
1
clock input
TC
2
two’s complement input (active LOW)
VCCA
3
analog supply voltage (5 V)
AGND
4
analog ground
n.c.
5
not connected
RB
6
reference voltage BOTTOM input
RM
7
reference voltage MIDDLE
VI
8
analog input voltage
RT
9
reference voltage TOP input
OE
10
output enable input (CMOS level input, active LOW)
VCCD2
11
digital supply voltage 2 (5 V)
DGND2
12
digital ground 2
VCCO
13
supply voltage for output stages (3 V to 5 V)
OGND
14
output ground
n.c.
15
not connected
n.c.
16
not connected
n.c.
17
not connected
D0
18
data output; bit 0 (Least Significant Bit (LSB))
D1
19
data output; bit 1
ADC0804S030_040_050_3
Product data sheet
© IDT 2012. All rights reserved.
Rev. 03 — 2 July 2012
4 of 18
ADC0804S030/040/050
Integrated Device Technology
Single 8 bits ADC, up to 30 MHz, 40 MHz or 50 MHz
Table 3.
Pin description …continued
Symbol
Pin
Description
D2
20
data output; bit 2
D3
21
data output; bit 3
D4
22
data output; bit 4
D5
23
data output; bit 5
D6
24
data output; bit 6
D7
25
data output; bit 7 (Most Significant Bit (MSB))
IR
26
in-range data output
DGND1
27
digital ground 1
VCCD1
28
digital supply voltage 1 (5 V)
8. Limiting values
Table 4.
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
Parameter
Min
Max
Unit
VCCA
analog supply voltage
Conditions
[1]
0.3
+7.0
V
VCCD
digital supply voltage
[1]
0.3
+7.0
V
VCCO
output supply voltage
[1]
0.3
+7.0
V
VCC
supply voltage difference
VCCA  VCCD
1.0
+1.0
V
VCCD  VCCO
1.0
+4.0
V
VCCA  VCCO
1.0
+4.0
V
VI
input voltage
referenced to AGND
0.3
+7.0
V
Vi(clk)(p-p)
peak-to-peak clock input
voltage
referenced to DGND
-
VCCD
V
IO
output current
-
10
mA
Tstg
storage temperature
55
+150
C
Tamb
ambient temperature
40
+85
C
Tj
junction temperature
-
150
C
[1]
The supply voltages VCCA, VCCD and VCCO may have any value between 0.3 V and +7.0 V provided that
the supply voltage differences VCC are respected.
9. Thermal characteristics
Table 5.
Thermal characteristics
Symbol
Parameter
Conditions
Typ
Unit
Rth(j-a)
thermal resistance from junction
to ambient
in free air
110
K/W
ADC0804S030_040_050_3
Product data sheet
© IDT 2012. All rights reserved.
Rev. 03 — 2 July 2012
5 of 18
ADC0804S030/040/050
Integrated Device Technology
Single 8 bits ADC, up to 30 MHz, 40 MHz or 50 MHz
10. Characteristics
Table 6.
Characteristics
VCCA = V3 to V4 = 4.75 V to 5.25 V; VCCD = V11 to V12 and V28 to V27 = 4.75 V to 5.25 V;
VCCO = V13 to V14 = 3.0 V to 5.25 V; AGND and DGND shorted together; Tamb = 0 C to 70 C; typical values measured at
VCCA = VCCD = 5 V and VCCO = 3.3 V, Vi(a)(p-p) = 2.0 V; CL = 15 pF and Tamb = 25 C; unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Supplies
VCCA
analog supply voltage
4.75
5.0
5.25
V
VCCD
digital supply voltage
4.75
5.0
5.25
V
VCCO
output supply voltage
3.0
3.3
5.25
V
VCC
supply voltage
difference
VCCA  VCCD
0.20
-
+0.20
V
VCCA  VCCO
0.20
-
+2.25
V
VCCD  VCCO
0.20
-
+2.25
V
ICCA
analog supply current
-
18
24
mA
ICCD
digital supply current
-
16
21
mA
ICCO
output supply current
fclk = 40 MHz; ramp input
-
1
2
mA
Ptot
total power dissipation
fclk = 40 MHz; ramp input
-
175
247
mW
Inputs
Clock input CLK (referenced to DGND)[1]
VIL
LOW-level input voltage
0
-
0.8
V
VIH
HIGH-level input
voltage
2
-
VCCD
V
IIL
LOW-level input current Vclk = 0.8 V
1
-
+1
A
IIH
HIGH-level input current Vclk = 2 V
-
2
10
A
Zi
input impedance
-
2
-
k
Ci
input capacitance
-
2
-
pF
fclk = 40 MHz
OE and TC (referenced to DGND); see Table 8
VIL
LOW-level input voltage
0
-
0.8
V
VIH
HIGH-level input
voltage
2
-
VCCD
V
IIL
LOW-level input current VIL = 0.8 V
1
-
-
A
IIH
HIGH-level input current VIH = 2.0 V
-
-
1
A
VI (analog input voltage referenced to AGND)
IIL
LOW-level input current VI = VRB = 1.3 V
-
0
-
A
IIH
HIGH-level input current VI = VRT = 3.67 V
-
35
-
A
Zi
input impedance
-
8
-
k
Ci
input capacitance
-
5
-
pF
V
fi = 4.43 MHz
Reference voltages for the resistor ladder; see Table 7
VRB
voltage on pin RB
1.2
1.3
2.45
VRT
voltage on pin RT
3.2
3.67
VCCA  0.8 V
ADC0804S030_040_050_3
Product data sheet
© IDT 2012. All rights reserved.
Rev. 03 — 2 July 2012
6 of 18
ADC0804S030/040/050
Integrated Device Technology
Single 8 bits ADC, up to 30 MHz, 40 MHz or 50 MHz
Table 6.
Characteristics
VCCA = V3 to V4 = 4.75 V to 5.25 V; VCCD = V11 to V12 and V28 to V27 = 4.75 V to 5.25 V;
VCCO = V13 to V14 = 3.0 V to 5.25 V; AGND and DGND shorted together; Tamb = 0 C to 70 C; typical values measured at
VCCA = VCCD = 5 V and VCCO = 3.3 V, Vi(a)(p-p) = 2.0 V; CL = 15 pF and Tamb = 25 C; unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Vref(dif)
differential reference
voltage
VRT  VRB
2.0
2.37
3.0
V
Iref
reference current
VRT  VRB = 2.37 V
-
9.7
-
mA
Rlad
ladder resistance
-
245
-

TCRlad
ladder resistor
temperature coefficient
-
456
-
m/K
Voffset
offset voltage
Vi(a)(p-p)
BOTTOM;
VRT  VRB = 2.37 V
[2]
-
175
-
mV
TOP; VRT  VRB = 2.37 V
[2]
-
175
-
mV
[3]
1.7
2.02
2.55
V
peak-to-peak analog
input voltage
Digital outputs D7 to D0 and IR (referenced to OGND)
VOL
LOW-level output
voltage
IOL = 1 mA
0
-
0.5
V
VOH
HIGH-level output
voltage
IOH =  1 mA
VCCO  0.5
-
VCCO
V
Io
output current
in 3-state mode;
0.5 V < VO < VCCO
20
-
+20
A
ADC0804S030TS
30
-
-
MHz
ADC0804S040TS
40
-
-
MHz
ADC0804S050TS
50
-
-
MHz
Switching characteristics; Clock input CLK; see Figure 4[1]
fclk(max)
maximum clock
frequency
tw(clk)H
HIGH clock pulse width full effective bandwidth
8.5
-
-
ns
tw(clk)L
LOW clock pulse width full effective bandwidth
5.5
-
-
ns
Analog signal processing
Linearity
INL
integral non-linearity
fclk = 40 MHz; ramp input
-
0.2
0.5
LSB
DNL
differential non-linearity
fclk = 40 MHz; ramp input
-
0.12
0.22
LSB
Eoffset
offset error
middle code; VRB = 1.3 V;
VRT = 3.67 V
-
0.25
-
LSB
EG
gain error
from device to device;
VRB = 1.3 V; VRT = 3.67 V
[4]
-
0.1
-
%
full-scale sine wave
[5]
-
15
-
MHz
75 % full-scale sine wave
-
20
-
MHz
small signal at mid-scale;
VI = 10 LSB at code 512
-
350
-
MHz
-
1.5
3.0
ns
-
1.5
3.0
ns
Bandwidth (fclk = 40 MHz)
B
bandwidth
ts(LH)
LOW to HIGH settling
time
ts(HL)
HIGH to LOW settling
time
full-scale square wave; see
Figure 6
[6]
ADC0804S030_040_050_3
Product data sheet
© IDT 2012. All rights reserved.
Rev. 03 — 2 July 2012
7 of 18
ADC0804S030/040/050
Integrated Device Technology
Single 8 bits ADC, up to 30 MHz, 40 MHz or 50 MHz
Table 6.
Characteristics
VCCA = V3 to V4 = 4.75 V to 5.25 V; VCCD = V11 to V12 and V28 to V27 = 4.75 V to 5.25 V;
VCCO = V13 to V14 = 3.0 V to 5.25 V; AGND and DGND shorted together; Tamb = 0 C to 70 C; typical values measured at
VCCA = VCCD = 5 V and VCCO = 3.3 V, Vi(a)(p-p) = 2.0 V; CL = 15 pF and Tamb = 25 C; unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Harmonics (fclk = 40 MHz); see Figure 7 and 8
1H
first harmonic level
fi = 4.43 MHz
-
-
0
dB
2H
second harmonic level
fi = 4.43 MHz
-
75
65
dB
3H
third harmonic level
fi = 4.43 MHz
-
72
65
dB
THD
total harmonic distortion fi = 4.43 MHz
-
65
-
dB
46
49
-
dB
fi = 4.43 MHz
-
7.8
-
bits
fi = 7.5 MHz
-
7.8
-
bits
fi = 4.43 MHz
-
7.8
-
bits
fi = 7.5 MHz
-
7.8
-
bits
fi = 10 MHz
-
7.8
-
bits
fi = 15 MHz
-
7.4
-
bits
fi = 4.43 MHz
-
7.8
-
bits
fi = 7.5 MHz
-
7.8
-
bits
fi = 10 MHz
-
7.8
-
bits
fi = 15 MHz
-
7.3
-
bits
intermodulation
suppression
fclk = 40 MHz
-
69
-
dB
bit error rate
fclk = 40 MHz; fi = 4.43 MHz;
VI = 16 LSB at code 512
-
1013
-
times/
samples
fclk = 40 MHz;
PAL modulated ramp
-
0.8
-
%
Signal-to-noise ratio; see Figure 7 and 8[7]
S/N
signal-to-noise ratio
full scale;
without harmonics;
fclk = 40 MHz; fi = 4.43 MHz
Effective number of bits[7]
ENOB
effective number of bits
ADC0804S030TS (fclk = 30 MHz)
ADC0804S040TS (fclk = 40 MHz)
ADC0804S050TS (fclk = 50 MHz)
Two-tone
intermodulation[8]
IM
Bit error rate
BER
Differential gain[9]
Gdif
differential gain
ADC0804S030_040_050_3
Product data sheet
© IDT 2012. All rights reserved.
Rev. 03 — 2 July 2012
8 of 18
ADC0804S030/040/050
Integrated Device Technology
Single 8 bits ADC, up to 30 MHz, 40 MHz or 50 MHz
Table 6.
Characteristics
VCCA = V3 to V4 = 4.75 V to 5.25 V; VCCD = V11 to V12 and V28 to V27 = 4.75 V to 5.25 V;
VCCO = V13 to V14 = 3.0 V to 5.25 V; AGND and DGND shorted together; Tamb = 0 C to 70 C; typical values measured at
VCCA = VCCD = 5 V and VCCO = 3.3 V, Vi(a)(p-p) = 2.0 V; CL = 15 pF and Tamb = 25 C; unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fclk = 40 MHz;
PAL modulated ramp
-
0.4
-
deg
Differential phase[9]
dif
differential phase
Timing (fclk = 40 MHz; Ci = 15 pF); see Figure 4[10]
td(s)
sampling delay time
-
3
-
ns
th(o)
output hold time
4
-
-
ns
td(o)
output delay time
VCCO = 4.75 V
-
10
13
ns
VCCO = 3.15 V
-
12
15
ns
CL
load capacitance
-
-
15
pF
3-state output delay times; see Figure 5
tdZH
float to active HIGH
delay time
-
5.5
8.5
ns
tdZL
float to active LOW
delay time
-
12
15
ns
tdHZ
active HIGH to float
delay time
-
19
24
ns
tdLZ
active LOW to float
delay time
-
12
15
ns
[1]
In addition to a good layout of the digital and analog ground, it is recommended that the rise and fall times of the clock must not be less
than 0.5 ns.
[2]
Analog input voltages producing code 0 up to and including code 255:
a) Voffset BOTTOM is the difference between the analog input which produces data equal to 00 and the reference voltage on pin RB
(VRB) at Tamb = 25 C.
b) Voffset TOP is the difference between the reference voltage on pin RT (VRT) and the analog input which produces data outputs equal
to code 255 at Tamb = 25 C.
[3]
To ensure the optimum linearity performance of such a converter architecture the lower and upper extremities of the converter reference
resistor ladder are connected to pins RB and RT via offset resistors ROB and ROT as shown in Figure 3.
V RT – V RB
R OB + R L + R OT
a) The current flowing into the resistor ladder is I = --------------------------------------- and the full-scale input range at the converter, to cover code 0
RL
to 255 is V I = R L  I L = ---------------------------------------   V RT + V RB  = 0.852   V RT – V RB 
R OB + R L + R OT
RL
R OB + R L + R OT
b) Since RL, ROB and ROT have similar behavior with respect to process and temperature variation, the ratio --------------------------------------will be kept reasonably constant from device to device. Consequently, the variation of the output codes at a given input voltage
depends mainly on the difference VRT  VRB and its variation with temperature and supply voltage. When several ADCs are
connected in parallel and fed with the same reference source, the matching between each of them is optimized.
[4]
 V 1023 – V 0  – V i  p – p 
E G = -------------------------------------------------------  100
Vi  p – p 
[5]
The analog bandwidth is defined as the maximum input sine wave frequency which can be applied to the device. No glitches greater
than 0.5 LSB, neither any significant attenuation are observed in the reconstructed signal.
[6]
The analog input settling time is the minimum time required for the input signal to be stabilized after a sharp full-scale input (square
wave signal) in order to sample the signal and obtain correct output data.
ADC0804S030_040_050_3
Product data sheet
© IDT 2012. All rights reserved.
Rev. 03 — 2 July 2012
9 of 18
ADC0804S030/040/050
Integrated Device Technology
Single 8 bits ADC, up to 30 MHz, 40 MHz or 50 MHz
[7]
Effective bits are obtained via a Fast Fourier transform (FFT) treatment taking 8000 acquisition points per equivalent fundamental
period. The calculation takes into account all harmonics and noise up to half the clock frequency (Nyquist frequency). Conversion to
SIgnal-to-Noise-And-Distortion (SINAD) ratio: SINAD = ENOB  6.02 + 1.76 dB.
[8]
Intermodulation measured relative to either tone with analog input frequencies of 4.43 MHz and 4.53 MHz. The two input signals have
the same amplitude and the total amplitude of both signals provides full-scale to the converter.
[9]
Measurement carried out using video analyzer VM700A, where the video analog signal is reconstructed through a digital-to-analog
converter.
[10] Output data acquisition: the output data is available after the maximum delay time of td(0). For 50 MHz version IDT recommend the
lowest possible output load.
RT
ROT
code 255
RL
RL
RM
IL
RL
Rlad
RL
code 0
ROB
RB
014aaa555
Fig 3.
Explanation of Table 6 Table note 3
11. Additional information relating to Table 6
Table 7.
Output coding and input voltage (typical values; referenced to AGND, VRB = 1.3 V,
VRT = 3.67 V)
Code
Vi(a)(p-p)
(V)
IR
Binary outputs D7 to D0
Two’s complement
outputs D7 to D0
Underflow
< 1.475
0
0000 0000
10 0000 00
0
1.475
1
0000 0000
10 0000 00
1
-
1
0000 0001
10 0000 01

-



254
-
1
1111 1110
01 1111 10
255
3.495
1
1111 1111
01 1111 11
Overflow
> 3.495
0
1111 1111
01 1111 11
ADC0804S030_040_050_3
Product data sheet
© IDT 2012. All rights reserved.
Rev. 03 — 2 July 2012
10 of 18
ADC0804S030/040/050
Integrated Device Technology
Single 8 bits ADC, up to 30 MHz, 40 MHz or 50 MHz
Table 8.
Mode selection
TC
OE
D7 to D0
IR
X
1
high impedance
high impedance
0
0
active; two’s complement
active
1
0
active; binary
active
sample N + 1
sample N
sample N + 2
tw(clk)L
tw(clk)H
VCCO
CLK
50 %
0V
sample N
sample N + 1
sample N + 2
VI
td(s)
th(o)
VCCO
DATA
D0 to D7
DATA
N−2
DATA
N−1
DATA
N
DATA
N+1
50 %
0V
td(o)
Fig 4.
Timing diagram
ADC0804S030_040_050_3
Product data sheet
014aaa556
© IDT 2012. All rights reserved.
Rev. 03 — 2 July 2012
11 of 18
ADC0804S030/040/050
Integrated Device Technology
Single 8 bits ADC, up to 30 MHz, 40 MHz or 50 MHz
VCCD
50 %
OE
tdHZ
tdZH
HIGH
90 %
output
data
50 %
tdLZ
LOW
tdZL
HIGH
output
data
50 %
LOW
10 %
VCCD
TEST
S1
tdLZ
VCCD
tdZL
VCCD
tdHZ
DGND
tdZH
DGND
3.3 kΩ
ADC0804S030
S1
15 pF
OE
014aaa552
frequency on pin OE = 100 kHz
Fig 5.
Timing diagram and test conditions of 3-state output delay time
ts(LH)
ts(HL)
code 255
VI
50 %
50 %
code 0
2 ns
CLK
2 ns
50 %
50 %
0.5 ns
0.5 ns
014aaa400
Fig 6.
Analog input settling time diagram
ADC0804S030_040_050_3
Product data sheet
© IDT 2012. All rights reserved.
Rev. 03 — 2 July 2012
12 of 18
ADC0804S030/040/050
Integrated Device Technology
Single 8 bits ADC, up to 30 MHz, 40 MHz or 50 MHz
014aaa328
+20
amplitude
(dB)
−20
−60
−100
−140
0
5.00
10.0
15.0
20.0
f (MHz)
Effective bits: 7.84; THD = 71.8 dB.
Harmonic levels (dB): 2nd = 83.19; 3rd = 78.09; 4th = 78.72; 5th = 78.33; 6th = 77.55.
Fig 7.
Typical fast Fourier transform (fclk = 40 MHz; fi = 4.43 MHz)
014aaa329
+20
amplitude
(dB)
−20
−60
−100
−140
0
5.0
10.0
15.0
20.0
25.0
f (MHz)
Effective bits: 7.79; THD = 62.96 dB.
Harmonic levels (dB): 2nd = 71.38; 3rd = 71.54; 4th = 74.14; 5th = 65.15; 6th = 77.16.
Fig 8.
Typical fast Fourier transform (fclk = 50 MHz; fi = 10 MHz)
ADC0804S030_040_050_3
Product data sheet
© IDT 2012. All rights reserved.
Rev. 03 — 2 July 2012
13 of 18
ADC0804S030/040/050
Integrated Device Technology
Single 8 bits ADC, up to 30 MHz, 40 MHz or 50 MHz
VCCA
VCCO
D7 to D0
IR
OGND
VI
AGND
014aaa557
Fig 9. CMOS data and in-range outputs
014aaa526
Fig 10. Analog inputs
VCCA
VCCO
RT
RL
RL
OE
TC
RM
RL
RL
RB
OGND
AGND
014aaa331
014aaa553
Fig 11. OE and TC input
Fig 12. RB, RM and RT
VCCD
1.5 V
CLK
DGND
014aaa399
Fig 13. CLK input
ADC0804S030_040_050_3
Product data sheet
© IDT 2012. All rights reserved.
Rev. 03 — 2 July 2012
14 of 18
ADC0804S030/040/050
Integrated Device Technology
Single 8 bits ADC, up to 30 MHz, 40 MHz or 50 MHz
12. Application information
CLK
TC
VCCA
(3)
100 nF
AGND
n.c.
RB(1)
RM(1)
100 nF
100 nF
AGND
AGND
VI
RT(1)
OE
100 nF
VCCD2
AGND
(3)
100 nF DGND2
VCCO
(3)
100 nF
OGND
1
28
2
27
3
26
4
25
5
24
6
23
7
ADC0804S030
22
8
21
9
20
10
19
11
18
12
17
13
16
14
15
VCCD1
DGND1
(3)
100 nF
IR
D7
D6
D5
D4
D3
D2
D1
D0
n.c.
n.c.
n.c.(2)
014aaa554
The analog and digital supplies should be separated and well decoupled
A user manual is available that describes the demonstration board that uses the version ADC0804S030/040/050/ family with an
application environment.
(1) RB, RM and RT are decoupled to AGND.
(2) Pin 15 may be connected to DGND in order to prevent noise influence.
(3) Decoupling capacitor for supplies; must be placed close to the device.
Fig 14. Application diagram
12.1 Alternative parts
The following alternative parts are also available:
Table 9.
Alternative parts
Type number
Description
Single 10 bits ADC
30 MHz
ADC1004S040
Single 10 bits ADC
[1]
40 MHz
ADC1004S050
Single 10 bits ADC
[1]
50 MHz
ADC1003S030
Single 10 bits ADC
[1]
30 MHz, with internal reference
regulator
ADC1003S040
Single 10 bits ADC
[1]
40 MHz, with internal reference
regulator
ADC1003S050
Single 10 bits ADC
[1]
50 MHz, with internal reference
regulator
ADC1005S060
Single 10 bits ADC
[1]
60 MHz
ADC1004S030
[1]
Pin to pin compatible
ADC0804S030_040_050_3
Product data sheet
Sampling frequency
[1]
© IDT 2012. All rights reserved.
Rev. 03 — 2 July 2012
15 of 18
ADC0804S030/040/050
Integrated Device Technology
Single 8 bits ADC, up to 30 MHz, 40 MHz or 50 MHz
13. Package outline
SSOP28: plastic shrink small outline package; 28 leads; body width 5.3 mm
D
SOT341-1
E
A
X
c
HE
y
v M A
Z
28
15
Q
A2
A
(A 3)
A1
pin 1 index
θ
Lp
L
1
14
w M
bp
e
detail X
0
2.5
5 mm
scale
DIMENSIONS (mm are the original dimensions)
UNIT
A
max.
A1
A2
A3
bp
c
D (1)
E (1)
e
HE
L
Lp
Q
v
w
y
Z (1)
θ
mm
2
0.21
0.05
1.80
1.65
0.25
0.38
0.25
0.20
0.09
10.4
10.0
5.4
5.2
0.65
7.9
7.6
1.25
1.03
0.63
0.9
0.7
0.2
0.13
0.1
1.1
0.7
8o
o
0
Note
1. Plastic or metal protrusions of 0.2 mm maximum per side are not included.
OUTLINE
VERSION
REFERENCES
IEC
SOT341-1
JEDEC
JEITA
EUROPEAN
PROJECTION
ISSUE DATE
99-12-27
03-02-19
MO-150
Fig 15. SOT341-1 (SSOP28)
ADC0804S030_040_050_3
Product data sheet
© IDT 2012. All rights reserved.
Rev. 03 — 2 July 2012
16 of 18
ADC0804S030/040/050
Integrated Device Technology
Single 8 bits ADC, up to 30 MHz, 40 MHz or 50 MHz
14. Revision history
Table 10.
Revision history
Document ID
Release date
Data sheet status
Change
notice
Supersedes
ADC0804S030_040_050_3
20120702
Product data sheet
-
ADC0804S030_040_050_2
ADC0804S030_040_050_2
20080814
Product data sheet
-
ADC0804S030_040_050_1
Modifications:
ADC0804S030_040_050_1
•
•
•
•
Paragraph added to Section 1.
Corrections to descriptions of rows RB and RM in Table 3.
Corrections to Table 6.
Corrections to Figure 9, 10 and 12.
20080616
Product data sheet
-
-
15. Contact information
For more information or sales office addresses, please visit: http://www.idt.com
ADC0804S030_040_050_3
Product data sheet
© IDT 2012. All rights reserved.
Rev. 03 — 2 July 2012
17 of 18
ADC0804S030/040/050
Integrated Device Technology
Single 8 bits ADC, up to 30 MHz, 40 MHz or 50 MHz
16. Contents
1
2
3
4
5
6
7
7.1
7.2
8
General description . . . . . . . . . . . . . . . . . . . . . .
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Quick reference data . . . . . . . . . . . . . . . . . . . . .
Ordering information . . . . . . . . . . . . . . . . . . . . .
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . .
Pinning information . . . . . . . . . . . . . . . . . . . . . .
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pin description . . . . . . . . . . . . . . . . . . . . . . . . .
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . .
1
1
1
2
2
3
4
4
4
5
9
10
11
12
12.1
13
14
15
16
ADC0804S030_040_050_3
Product data sheet
Thermal characteristics . . . . . . . . . . . . . . . . . . 5
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . 6
Additional information relating to Table 6 . . 10
Application information . . . . . . . . . . . . . . . . . 15
Alternative parts . . . . . . . . . . . . . . . . . . . . . . . 15
Package outline. . . . . . . . . . . . . . . . . . . . . . . . 16
Revision history . . . . . . . . . . . . . . . . . . . . . . . 17
Contact information . . . . . . . . . . . . . . . . . . . . 17
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
© IDT 2012. All rights reserved.
Rev. 03 — 2 July 2012
18 of 18
Similar pages