AD ADM242AN

a
High Speed, +5 V, 0.1 µF
CMOS RS-232 Drivers/Receivers
ADM222/ADM232A/ADM242*
FUNCTIONAL BLOCK DIAGRAM
FEATURES
200 kB/s Transmission Rate
Small (0.1 µF) Charge Pump Capacitors
Single 5 V Power Supply
Meets All EIA-232-E and V.28 Specifications
Two Drivers and Two Receivers
On-Board DC-DC Converters
±9 V Output Swing with +5 V Supply
±30 V Receiver Input Levels
Pin Compatible with MAX222/MAX232A/MAX242
+5V INPUT
0.1µF
0.1µF
0.1µF
VCC
C1+
+5V TO +10V
V+
VOLTAGE DOUBLER
C1–
C2+
0.1µF
+5V TO –10V
VOLTAGE INVERTER V–
0.1µF
C2–
APPLICATIONS
Computers
Peripherals
Modems
Printers
Instruments
TTL/CMOS
INPUTS*
TTL/CMOS
OUTPUTS
T1IN
T1
T1OUT
T2IN
T2
T2OUT
ADM2xx
The ADM222, ADM232A, ADM242 are a family of high speed
RS-232 line drivers/receivers offering transmission rates up to
200 kB/s. Operating from a single +5 V power supply, a highly
efficient on-chip charge pump using small (0.1 µF) external
capacitors allows RS-232 bipolar levels to be developed. Two
RS-232 drivers and two RS-232 receivers are provided on each
device.
The devices are fabricated on BiCMOS, an advanced mixed
technology process which combines low power CMOS with high
speed bipolar circuitry. This allows for transmission rates up to
200 kB/s yet minimizes the quiescent power supply current to
under 5 mA.
The ADM232A is a pin-compatible, high speed upgrade for the
AD232 and for the ADM232L. It is available in 16-pin DIP and
in both narrow and wide surface mount (SOIC) packages.
The ADM222 contains an additional shutdown (SHDN) function which may be used to disable the device thereby reducing
the supply current to 0.1 µA. During shutdown, all transmit/
receive functions are disabled. The ADM222 is available in
18-pin DIP and in a wide surface mount (SOIC) package.
R2IN
R2
R2OUT
GENERAL DESCRIPTION
R1IN
R1
R1OUT
RS-232
OUTPUTS
EN
SHDN
GND
RS-232
INPUTS**
(ADM242)
(ADM222, ADM242)
* INTERNAL 400kΩ PULL-UP RESISTOR
ON EACH TTL/MOS INPUT
** INTERNAL 5kΩ PULL-DOWN RESISTOR
ON EACH RS-232 INPUT
ORDERING GUIDE
Model
Temperature Range
Package Option
ADM222AN
ADM222AR
ADM232AAN
ADM232AARN
ADM232AARW
ADM242AN
ADM242AR
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
N-18
R-18W
N-16
R-16N
R-16W
N-18
R-18W
The ADM242 combines both shutdown (SHDN) and enable
(EN) functions. The shutdown function reduces the supply
curent to 0.1 mA. During shutdown, the transmitters are
disabled but the receivers continue to operate normally. The
enable function allows the receiver outputs to be disabled
thereby facilitating sharing a common bus. The ADM242 is
available in 18-pin DIP and in a wide surface mount (SOIC)
package.
*Protected by U.S. Patent No. 5,237,209.
REV. 0
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
One Technology Way, P.O. Box 9106, Norwood. MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703
(V = +5 V ± 10%, C1–C4 = 0.1 µF; all specADM222/ADM232A/ADM242–SPECIFICATIONS ifications
T to T unless otherwise noted.)
CC
MIN
Parameter
Min
Typ
RS-232 TRANSMITTERS
Output Voltage Swing
±5
±9
2.0
1.4
1.4
5
Input Logic Threshold Low, VINL
Input Logic Threshold High, VINH
Logic Pullup Current
Data Rate
Output Resistance
Output Short Circuit Current (Instantaneous)
RS-232 RECEIVERS
RS-232 Input Voltage Range
RS-232 Input Threshold Low
RS-232 Input Threshold High
RS-232 Input Hysteresis
RS-232 Input Resistance
TTL/CMOS Output Voltage Low, VOL
TTL/CMOS Output Voltage High, VOH
TTL/CMOS Output Short-Circuit Current
TTL/CMOS Output Short-Circuit Current
TTL/CMOS Output Leakage Current
EN Input Threshold Low, VINL
EN Input Threshold High, VINH
200
300
±7
–30
0.8
0.2
3
3.5
–2
10
2.0
POWER SUPPLY
Power Supply Current
Shutdown Power Supply Current
SHDN Input Leakage Current
SHDN Input Threshold Low, VINL
SHDN Input Threshold High, VINH
AC CHARACTERISTICS
Transition Region Slew Rate
Transmitter Propagation Delay TTL to RS-232
Receiver Propagation Delay RS-232 to TTL
Receiver Output Enable Time
Receiver Output Disable Time
Transmitter Output Enable Time
Transmitter Output Disable Time
Transmitter + to – Propagation Delay Difference
Receiver + to – Propagation Delay Difference
Max
0.8
40
± 22
+30
MAX
Units
Test Conditions/Comments
V
All Transmitter Outputs Loaded with
3 kΩ to Ground
TIN
TIN
TIN = 0 V
V
V
µA
kB/s
Ω
mA
VCC = V+ = V– = 0 V, VOUT = ± 2 V
–10
30
± 0.05 ± 10
V
V
V
V
kΩ
V
V
mA
mA
µA
1.4
1.4
0.8
V
V
4
15
0.1
8
mA
mA
µA
µA
V
V
No Load
3 kΩ Load on Both Outputs
CL = 50 pF to 2500 pF, R L = 3 kΩ to 7 k Ω
Measured from +3 V to –3 V or –3 V to +3 V
tPHLT
tPLHT
tPHLR
tPLHR
tER
tDR
SHDN Goes high
SHDN Goes low
1.3
1.8
0.5
5
0.2
2.4
1.0
7
0.4
10
±1
0.8
2.0
1.4
1.4
6
12
30
V/µs
0.7
0.7
0.2
0.3
125
160
250
3.5
300
100
3.5
3.5
0.5
0.5
500
500
µs
µs
µs
µs
ns
ns
µs
µs
ns
ns
VCC = 5 V
IOUT = 3.2 mA
IOUT = –1.0 mA
Source Current (VOUT = GND)
Sink Current (VOUT = VCC)
SHDN = GND/EN = VCC
0 V ≤ VOUT ≤ VCC
Specifications subject to change without notice.
–2–
REV. 0
ADM222/ADM232A/ADM242
ABSOLUTE MAXIMUM RATINGS *
(TA = +25˚C unless otherwise noted)
Power Dissipation R-16W . . . . . . . . . . . . . . . . . . . . . 400 mW
(Derate 7 mW/°C above +70°C)
θJA, Thermal Impedance . . . . . . . . . . . . . . . . . . . . . . 80°C/W
Power Dissipation N-18 . . . . . . . . . . . . . . . . . . . . . . . 400 mW
(Derate 7 mW/°C above +70°C)
θJA, Thermal Impedance . . . . . . . . . . . . . . . . . . . . . . 80°C/W
Power Dissipation R-18W . . . . . . . . . . . . . . . . . . . . . 400 mW
(Derate 7 mW/°C above +70°C)
θJA, Thermal Impedance . . . . . . . . . . . . . . . . . . . . . . 80°C/W
Operating Temperature Range
Industrial (A Version) . . . . . . . . . . . . . . . . –40°C to +85°C
Storage Temperature Range . . . . . . . . . . . . –65°C to +150°C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . . . +300°C
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . . +215°C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . . +220°C
VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +6 V
V+ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (VCC – 0.3 V) to +13 V
V– . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +0.3 V to –13 V
Input Voltages
TIN . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to (VCC + 0.3 V)
R IN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ± 30 V
Output Voltages
TOUT . . . . . . . . . . . . . . . . . . . . (V+, +0.3 V) to (V–, –0.3 V)
ROUT . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to (VCC + 0.3 V)
Short Circuit Duration
TOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous
Power Dissipation N-16 . . . . . . . . . . . . . . . . . . . . . . . 400 mW
(Derate 7.5 mW/°C above +70°C)
θJA, Thermal Impedance . . . . . . . . . . . . . . . . . . . . . . 80°C/W
Power Dissipation R-16N . . . . . . . . . . . . . . . . . . . . . 400 mW
(Derate 7 mW/°C above +70°C)
θJA, Thermal Impedance . . . . . . . . . . . . . . . . . . . . . . 80°C/W
*This is a stress rating only and functional operation of the device at these or any
other conditions above those indicated in the operation sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended
periods of time may affect reliability.
Test Circuits
+3V
+3V
VIN
VIN
tPHLR
tPHLT
tPLHT
0V
tPLHR
V+
VOUT
VCC
VOUT
0V
50%
GND
V–
Figure 1. Transmitter Propagation Delay Timing
Figure 3. Receiver Propagation Delay Timing
3V
+3V
EN
INPUT
EN
INPUT
0V
0V
tDR
tER
VOH
+3.5V
VOH –0.5V
RECEIVER
OUTPUT
RECEIVER
OUTPUT
+0.8V
VOL + 0.5V
VOL
Figure 2. Receiver Enable Timing
REV. 0
Figure 4. Receiver Disable Timing
–3–
ADM222/ADM232A/ADM242
PIN FUNCTION DESCRIPTION
VIN
VOUT
3kΩ
SHDN
50pF
Mnemonic
Function
VCC
V+
Power Supply Input, +5 V ± 10%.
Internally generated positive supply (+10 V
nominal).
Internally generated negative supply (–10 V
nominal).
Ground Pin. Must be connected to 0 V.
External capacitor 1, (+ terminal) is connected
to this pin.
External capacitor 1, (– terminal) is connected
to this pin.
External capacitor 2, (+ terminal) is connected
to this pin.
External capacitor 2, (– terminal) is connected
to this pin.
Transmitter (Driver) Inputs. These inputs accept
TTL/CMOS levels. An internal 400 kΩ pull-up
resistor to VCC is connected on each input.
Transmitter (Driver) Outputs. These are RS-232
levels (typically ± 9 V).
Receiver Inputs. These inputs accept RS-232
signal levels. An internal 5 kΩ pull-down
resistor to GND is connected on each of these
inputs.
Receiver Outputs. These are TTL/CMOS levels.
No Connect. No connections are required to this
pin.
(ADM242 Only) Active Low Digital Input. May
be used to enable or disable (three-state) both
receiver outputs.
(ADM222 & ADM242) Active Low Digital
Input. May be used to disable the device so that
the power consumption is minimized. On the
ADM222 all drivers and receivers are disabled.
On the ADM242 the drivers are disabled but the
receivers remain enabled.
V–
Figure 5. Shutdown Test Circuit
GND
C1+
C1–
3V
SHDN
INPUT
C2+
0V
C2–
tDT
TIN
V+
+ 5V
TOUT
TRANSMITTER
OUTPUT
RIN
– 5V
V–
ROUT
NC
Figure 6. Transmitter Shutdown Disable Timing
EN
SHDN
+5V INPUT
C5
0.1µF
6.3V
2
C1
0.1µF
4
5
C2
0.1µF
6
17
VCC
C1+
C1–
C2+
+5V TO +10V
V+
VOLTAGE DOUBLER
3
+5V TO –10V
VOLTAGE INVERTER V–
7
15
T1IN
T1OUT
T1
RS-232
OUTPUTS
8
11
T2IN
T2OUT
T2
13
14
R1OUT
TTL/CMOS
OUTPUTS
C4
0.1µF
C2–
12
TTL/CMOS
INPUTS*
C3
0.1µF
R1IN
R1
10
9
R2OUT
R2IN
R2
ADM222
GND
16
RS-232
INPUTS**
18
SHDN
* INTERNAL 400kΩ PULL-UP RESISTOR
ON EACH TTL/MOS INPUT
NC
1
18
SHDN
C1+
2
17
VCC
V+
3
16
GND
C1–
4
15
T1OUT
C2+
5
6
TOP VIEW 14
(Not to Scale) 13
R1IN
C2–
V–
7
12
T1IN
T2OUT
8
11
T2IN
R2IN
9
10
R2OUT
ADM222
R1OUT
** INTERNAL 5kΩ PULL-DOWN RESISTOR
ON EACH RS-232 INPUT
NC = NO CONNECT
Figure 7. ADM222 Typical Operating Circuit
Figure 8. ADM222 DIP & SOIC Pin Configurations
–4–
REV. 0
ADM222/ADM232A/ADM242
C1+
1
16 VCC
V+
2
15 GND
C1–
3
C2+
4
C2–
5
V–
6
EN
1
18 SHDN
C1+
2
17
V+
3
16 GND
14 T1OUT
ADM232A
13
4
5
C2–
6
V–
7
12 T1IN
T2OUT
8
11 T2IN
R2IN
9
10
TOP VIEW
12 R1OUT
(Not to Scale)
11 T1IN
7
10 T2IN
R2IN
8
9
R2OUT
Figure 9. ADM232A DIP/SOIC Pin Configuration
ADM242
C1
0.1µF
3
4
C2
0.1µF
TTL/CMOS
INPUTS*
T1IN
T2IN
TTL/CMOS
OUTPUTS
5
R2OUT
9
2
2
C1
0.1µF
C2+
+5V TO –10V
V–
VOLTAGE INVERTER
C2–
T1
T2
R1
R2
6
C2
0.1µF
C4
0.1µF
14
7
13
8
T1OUT
T2OUT
R1IN
TTL/CMOS
INPUTS*
RS-232
OUTPUTS
TTL/CMOS
OUTPUTS*
RS-232
INPUTS**
R1OUT
R2OUT
6
EN
C3
0.1µF
3
C2+
7
+5V TO –10V
V–
VOLTAGE INVERTER
C2–
12
11
T1OUT
8
T2
T2OUT
R1
10
R2
1
16
C4
0.1µF
15
T1
GND
* INTERNAL 400kΩ PULL-UP RESISTOR
17
VCC
+5V TO +10V
V+
VOLTAGE DOUBLER
C1–
C1+
R1OUT 13
R2OUT
R2IN
GND
15
T1IN
T2IN
ADM232A
ADM242
14
9
18
R1IN
RS-232
OUTPUTS
RS-232
INPUTS**
R2IN
SHDN
* INTERNAL 400kΩ PULL-UP RESISTOR
ON EACH TTL/MOS INPUT
ON EACH TTL/MOS INPUT
** INTERNAL 5kΩ PULL-DOWN RESISTOR
** INTERNAL 5kΩ PULL-DOWN RESISTOR
ON EACH RS-232 INPUT
ON EACH RS-232 INPUT
Figure 10. ADM232A Typical Operating Circuit
REV. 0
4
5
10
12
C3
0.1µF
VCC
11
R1OUT
C5
0.1µF
6.3V
+5V TO +10V
V+
C1–VOLTAGE DOUBLER
R1IN
+5V INPUT
+5V INPUT
C1+
15
TOP VIEW 14
(Not to Scale)
13
Figure 11. ADM242 DIP/SOIC Pin Configuration
C5
0.1µF
6.3V
1
T1OUT
C1–
C2+
R1IN
T2OUT
VCC
Figure 12. ADM242 Typical Operating Circuit
–5–
ADM222/ADM232A/ADM242–Typical Performance Characteristics
10
VCC = ±5V
TA = +25°C
VCC = ±5V
TA = +25°C
10
V+
| V– |
8
6
4
2
2
5
0
AAA
6
4
0
TOUT HIGH
8
TOUT – V
V+, ( | V– | ) – V
12
AA
AA
12
10
0
15
| TOUT LOW |
0
2
6
4
I+, ( | I– | ) – mA
Figure 13. Charge Pump V+, V– vs. Current
8
IOUT – mA
10
12
14
Figure 16. Transmitter Output Voltage vs. Current
TRANSMITTER OUTPUT VOLTAGE – V
9
8
20kB
60kB
7
120kB
A4
0.010V
100
90
6
200kB
5
4
10
0%
VCC = +5V
TA = +25°C
TX1 = +5V; TX2 = 0V – 5V SQUARE WAVE
BOTH TX OUTPUTS LOADED WITH 3k//CL
3
400kB
500kB
5V
5V
100µs
2
1000
0
2000
3000
4000
LOAD CAPACITANCE – pF
Figure 14. Transmitter Baud Rate vs. Load Capacitance
A2
Figure 17. Charge Pump V+, V– Exiting Shutdown
2.4V
100
100
90
90
10
10
0%
0%
5V
5V
1µs
Figure 15. Transmitter Unloaded Slew Rate
A1
–0.6 V
5V
5V
1 µs
Figure 18. Transmitter Fully Loaded Slew Rate
–6–
REV. 0
ADM222/ADM232A/ADM242
As required by the RS-232 standard, the slew rate is limited to
less than 30 V/µs without the need for an external slew limiting
capacitor, and the output impedance in the power-off state is
greater than 300 Ω.
GENERAL INFORMATION
The ADM222/ADM232A/ADM242 are high speed RS-232
drivers/receivers requiring a single digital +5 V supply. The RS232 standard requires transmitters that will deliver ± 5 V
minimum on the transmission channel and receivers that can
accept signal levels down to ± 3 V. The parts achieve this by
integrating step up voltage converters and level shifting transmitters and receivers onto the same chip. CMOS technology is
used to keep the power dissipation to an absolute minimum.
All devices contains an internal charge pump voltage doubler
and a voltage inverter that generates ± 10 V from the +5 V
input. Four external 0.1 µF capacitors are required for the
internal charge pump voltage converter.
Receiver Section
The receivers are inverting level shifters which accept RS-232
input levels (± 3 V to ± 15 V) and translate them into 5 V TTL/
CMOS levels. The inputs have internal 5 kΩ pull-down resistors
to ground and are also protected against overvoltages of up to
± 30 V. The guaranteed switching thresholds are 0.8 V minimum and 2.4 V maximum which are well within the ± 3 V RS232 requirement. The low level threshold is deliberately positive
as it ensures that an unconnected input will be interpreted as a
low level.
The ADM222/ADM232A/ADM242 is a modification, enhancement and improvement to the AD230-AD241 family and
derivatives thereof. It is essentially plug-in compatible and does
not have materially different applications.
The receivers have Schmitt trigger input with a hysteresis level
of 0.5 V. This ensures error free-reception for both noisy inputs
and for inputs with slow transition times
Enable and Shutdown Functions
CIRCUIT DESCRIPTION
The internal circuitry consists of four main sections. These are:
On the ADM222, both receivers are fully disabled during
shutdown.
A Charge Pump Voltage Converter
TTL/CMOS to RS-232 Transmitters
RS-232 to TTL/CMOS Receivers
Enable and Shutdown Functions.
On the ADM242, both receivers continue to operate normally.
This function is useful for monitoring activity so that when it
occurs, the device can be taken out of the shutdown mode.
The ADM242 also contains a receiver enable function (EN)
which can be used to fully disable the receivers, independent of
SHDN.
Charge Pump DC-DC Voltage Converter
The Charge Pump Voltage converter consists of an oscillator
and a switching matrix. The converter generates a ± 10 V supply
from the input 5 V level. This is done in two stages using a
switched capacitor technique. The 5 V input supply is doubled
to 10 V using capacitor C1 as the charge storage element. The
–10 V level is also generated from the input 5 V supply using C1
and C2 as the storage elements.
APPLICATIONS INFORMATION
A selection of typical operating circuits is shown in Figures 13
to 19.
Capacitors C3 and C4 are used to reduce the output ripple.
Their values are not critical and can be reduced if higher levels
of ripple are acceptable. The charge pump capacitors C1 and
C2 may also be reduced at the expense of higher output
impedance on the V+ and V– supplies.
A1
2.0V
5V
5V
100
90
The V+ and V– supplies may also be used to power external
circuitry if the current requirements are small. Please refer to
the typical performance characteristics which shows the V+, V–
output voltage vs. current.
10
0%
5µS
In the shutdown mode the charge pump is disabled and V+
decays to VCC while V– decays to 0 V.
Figure 19. Transmitter Output Disable Timing
Transmitter (Driver) Section
The Drivers convert TTL/CMOS input levels into RS-232
output levels. With VCC = +5 V and driving a typical RS-232
load, the output voltage swing is ± 9 V. Even under worst case
conditions the drivers are guaranteed to meet the ± 5 V RS-232
minimum requirement.
The input threshold levels are both TTL and CMOS compatible with the switching threshold set at VCC /4. With a nominal
VCC = 5 V the switching threshold is 1.25 V typical. Unused
inputs may be left unconnected, as an internal 400 kΩ pull- up
resistor pulls them high forcing the outputs into a low state.
REV. 0
–7–
ADM222/ADM232A/ADM242
OUTLINE DIMENSIONS
Dimensions shown in inches and (mm).
16-Pin Plastic DIP
(N-16)
9
9
16
0.280 (7.11)
0.240 (6.10)
PIN 1
1
8
8
1
0.060 (1.52)
0.015 (0.38)
0.210
(5.33)
0.0098 (0.25)
0.0040 (0.10)
16-Lead Wide SOIC
(R-16W)
0.0500 (1.27) 0.0192 (0.49)
0.0138 (0.35)
BSC
10
18
0.2992 (7.60)
0.2914 (7.40)
0.419
(10.65)
1
0.4193 (10.65)
0.3937 (10.00)
8
PIN 1
9
1
0.030
(0.75)
0.413 (10.50)
0.012
(0.3)
0.019 (0.49)
0.1043 (2.65)
0.0926 (2.35)
0.4625 (11.75)
0.4469 (11.35)
0.104
(2.65)
0.05 (1.27)
REF
0.0500 (1.27)
0.0160 (0.41)
18-Lead Wide SOIC
(R-18W)
9
0.299
(7.60)
0.0099 (0.25)
0.0075 (0.19)
0.0291 (0.74)
x 45°
0.0098 (0.25)
0.042
(1.07)
0.013
(0.32)
0.0118 (0.30)
0.0040 (0.10)
0.0500
(1.27)
BSC
0.0192 (0.49)
0.0138 (0.35)
0.0125 (0.32)
0.0091 (0.23)
8°
0°
0.0500 (1.27)
0.0157 (0.40)
18-Pin Plastic DIP
(N-18)
18
10
1
9
PRINTED IN U.S.A.
16
0.0196 (0.50)
0.0099 (0.25)
0°– 8°
0.015 (0.381)
0.008 (0.204)
SEATING
PLANE
0.070 (1.77)
0.045 (1.15)
0.0688 (1.75)
0.0532 (1.35)
0.3937 (10.00)
0.3859 (9.80)
0.195 (4.95)
0.115 (2.93)
0.150
(3.81)
0.200 (5.05)
0.125 (3.18)
0.100
(2.54)
BSC
0.2440 (6.20)
0.2284 (5.80)
0.1574 (4.00)
0.1497 (3.80)
0.325 (8.25)
0.300 (7.62)
0.840 (21.33)
0.745 (18.93)
0.022 (0.558)
0.014 (0.356)
C1877–7.5–1/94
16
16-Lead Narrow SOIC
(R-16N)
0.280 (7.11)
0.240 (6.10)
PIN 1
0.325 (8.25)
0.300 (7.62)
0.925 (23.49)
0.845 (21.47)
0.060 (1.52)
0.015 (0.38)
0.210
(5.33)
MAX
0.130
(3.30)
MIN
0.160 (4.06)
0.115 (2.93)
0.022 (0.558)
0.014 (0.356)
0.100
(2.54)
BSC
0.070 (1.77)
0.045 (1.15)
–8–
0.195 (4.95)
0.115 (2.93)
0.015 (0.381)
0.008 (0.204)
SEATING
PLANE
REV. 0
ADM222/ADM232A/ADM242
ORDERING GUIDE
Model
Temperature Range
Package Option*
ADM222AN
ADM222AR
ADM232AAN
ADM232AARN
ADM232AARW
ADM242AN
ADM242AR
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
N-18
R-18W
N-16
R-16N
R-16W
N-18
R-18W
*For outline information see Package Information section.
REV. 0
–9–