TDA8765 Datasheet, PDF (8/20 Pages) NXP Semiconductors – 10-bit high-speed Analog-to-Digital Converter ADC

Philips Semiconductors
10-bit high-speed Analog-to-Digital
Converter (ADC)
Preliminary specification
TDA8765
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP. MAX. UNIT
Voltage controlled regulator input V_ref (referenced to AGND); note 2
V_ref
full-scale fixed voltage
V_CCA = 5 V
−
V_I(p-p) − V_I(p-p) input voltage amplitude
V_ref = V_CCA − 1.825 V
−
(peak-to-peak value)
I_ref
input current at V_ref
−
Outputs (referenced to OGND)
3.175 −
V
2.0
−
V
0.5
10
µA
DIGITAL OUTPUTS D11 TO D0 AND IR (REFERENCED TO OGND)
V_OL
LOW-level output voltage
I_OL = 2 mA
V_OH
HIGH-level output voltage I_OH = −0.4 mA
I_o
output current in 3-state
output level between 0.5 V
and V_CCO
Switching characteristics
0
−
V_CCO − 0.5 −
−20
−
0.5
V
V_CCO V
+20 µA
CLOCK FREQUENCY f_CLK; see Fig.5
f_CLK(min)
minimum clock frequency
SH = HIGH
SH = LOW
−
−
1
−
−
1
f_CLK(max)
maximum clock frequency
TDA8765H/4
40
−
−
TDA8765H/5
55
−
−
t_CLKH
t_CLKL
clock pulse width HIGH
clock pulse width LOW
8.5
−
−
8.5
−
−
Analog signal processing; 50% clock duty factor; V_I − V_I = 2.0 V; V_ref = V_CCA− 1.825 V; see Table 1
MHz
kHz
MHz
MHz
ns
ns
LINEARITY
INL
DNL
integral non-linearity
differential non-linearity
f_CLK = 4 MHz; f_i = 400 kHz −
f_CLK = 4 MHz; f_i = 400 kHz; −
no missing code
E_offset
offset error
V_CCA = V_CCD = V_CCO = 5 V; tbf
T_amb = 25 °C; V_I = V_I;
output code = 511
E_G
gain error amplitude; spread V_CCA = V_CCD = V_CCO = 5 V; −5
from device to device
T_amb = 25 °C;
V_I(p-p) − V_I(p-p) = 2.0 V
BANDWIDTH (f_CLK = 55 MHz); note 3
B
analog bandwidth
−3 dB; full-scale input
tbf
±0.5
±1.75 LSB
±0.3
±0.5 LSB
−11
tbf
mV
−
+5
%FS
200
−
MHz
1999 Jan 06
8